diff --git a/java-dialogflow/google-cloud-dialogflow/src/main/resources/META-INF/native-image/com.google.cloud.dialogflow.v2/reflect-config.json b/java-dialogflow/google-cloud-dialogflow/src/main/resources/META-INF/native-image/com.google.cloud.dialogflow.v2/reflect-config.json index 7078612f4fb8..97c77e432a0e 100644 --- a/java-dialogflow/google-cloud-dialogflow/src/main/resources/META-INF/native-image/com.google.cloud.dialogflow.v2/reflect-config.json +++ b/java-dialogflow/google-cloud-dialogflow/src/main/resources/META-INF/native-image/com.google.cloud.dialogflow.v2/reflect-config.json @@ -7253,6 +7253,132 @@ "allDeclaredClasses": true, "allPublicClasses": true }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$Builder", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$EndInteraction", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$EndInteraction$Builder", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$LiveAgentHandoff", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$LiveAgentHandoff$Builder", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$MixedAudio", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$MixedAudio$Builder", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$MixedAudio$Segment", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$MixedAudio$Segment$Builder", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$TelephonyTransferCall", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$TelephonyTransferCall$Builder", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$Text", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, + { + "name": "com.google.cloud.dialogflow.v2.ResponseMessage$Text$Builder", + "queryAllDeclaredConstructors": true, + "queryAllPublicConstructors": true, + "queryAllDeclaredMethods": true, + "allPublicMethods": true, + "allDeclaredClasses": true, + "allPublicClasses": true + }, { "name": "com.google.cloud.dialogflow.v2.RestoreAgentRequest", "queryAllDeclaredConstructors": true, diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AudioConfigProto.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AudioConfigProto.java index 0e2923af1360..d9282ba2d829 100644 --- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AudioConfigProto.java +++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AudioConfigProto.java @@ -102,7 +102,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() { + "\014start_offset\030\001 \001(\0132\031.google.protobuf.Duration\022-\n\n" + "end_offset\030\002 \001(\0132\031.google.protobuf.Duration\022\022\n" + "\n" - + "confidence\030\004 \001(\002\"\374\005\n" + + "confidence\030\004 \001(\002\"\330\006\n" + "\020InputAudioConfig\022G\n" + "\016audio_encoding\030\001" + " \001(\0162).google.cloud.dialogflow.v2.AudioEncodingB\004\342A\001\002\022\037\n" @@ -125,8 +125,11 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() { + "!opt_out_conformer_model_migration\030\032 \001(\010\022_\n" + "\021gemini_asr_config\030\036 \001(\0132>.google.cloud.dial" + "ogflow.v2.SpeechToTextConfig.GeminiAsrConfigB\004\342A\001\001\022!\n" - + "\016use_gemini_asr\030\037 \001(\010B\004\342A\001\001H\000\210\001\001B\021\n" - + "\017_use_gemini_asr\"r\n" + + "\016use_gemini_asr\030\037 \001(\010B\004\342A\001\001H\000\210\001\001\0224\n" + + "!disable_interim_input_transcripts\030 " + + " \001(\010B\004\342A\001\001H\001\210\001\001B\021\n" + + "\017_use_gemini_asrB$\n" + + "\"_disable_interim_input_transcripts\"r\n" + "\024VoiceSelectionParams\022\022\n" + "\004name\030\001 \001(\tB\004\342A\001\001\022F\n" + "\013ssml_gender\030\002" @@ -136,14 +139,14 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() { + "\005pitch\030\002 \001(\001B\004\342A\001\001\022\034\n" + "\016volume_gain_db\030\003 \001(\001B\004\342A\001\001\022 \n" + "\022effects_profile_id\030\005 \003(\tB\004\342A\001\001\022E\n" - + "\005voice\030\004" - + " \001(\01320.google.cloud.dialogflow.v2.VoiceSelectionParamsB\004\342A\001\001\022S\n" - + "\016pronunciations\030\006 \003(\01325.google.cloud.dialogfl" - + "ow.v2.CustomPronunciationParamsB\004\342A\001\001\"\226\002\n" + + "\005voice\030\004 \001(\01320.google.cl" + + "oud.dialogflow.v2.VoiceSelectionParamsB\004\342A\001\001\022S\n" + + "\016pronunciations\030\006 \003(\01325.google.cl" + + "oud.dialogflow.v2.CustomPronunciationParamsB\004\342A\001\001\"\226\002\n" + "\031CustomPronunciationParams\022\016\n" + "\006phrase\030\001 \001(\t\022a\n" - + "\021phonetic_encoding\030\002 \001(\0162F.google." - + "cloud.dialogflow.v2.CustomPronunciationParams.PhoneticEncoding\022\025\n\r" + + "\021phonetic_encoding\030\002 \001" + + "(\0162F.google.cloud.dialogflow.v2.CustomPronunciationParams.PhoneticEncoding\022\025\n\r" + "pronunciation\030\003 \001(\t\"o\n" + "\020PhoneticEncoding\022!\n" + "\035PHONETIC_ENCODING_UNSPECIFIED\020\000\022\031\n" @@ -153,14 +156,14 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() { + "\016audio_encoding\030\001" + " \001(\0162/.google.cloud.dialogflow.v2.OutputAudioEncodingB\004\342A\001\002\022\031\n" + "\021sample_rate_hertz\030\002 \001(\005\022T\n" - + "\030synthesize_speech_config\030\003 \001(\013" - + "22.google.cloud.dialogflow.v2.SynthesizeSpeechConfig\"U\n" + + "\030synthesize_speech_config\030\003" + + " \001(\01322.google.cloud.dialogflow.v2.SynthesizeSpeechConfig\"U\n" + "\023TelephonyDtmfEvents\022>\n" + "\013dtmf_events\030\001" - + " \003(\0162).google.cloud.dialogflow.v2.TelephonyDtmf\"\231\010\n" + + " \003(\0162).google.cloud.dialogflow.v2.TelephonyDtmf\"\335\010\n" + "\022SpeechToTextConfig\022L\n" - + "\024speech_model_variant\030\001 \001(\0162..googl" - + "e.cloud.dialogflow.v2.SpeechModelVariant\022\r\n" + + "\024speech_model_variant\030\001" + + " \001(\0162..google.cloud.dialogflow.v2.SpeechModelVariant\022\r\n" + "\005model\030\002 \001(\t\0229\n" + "\013phrase_sets\030\004 \003(\tB$\372A!\n" + "\037speech.googleapis.com/PhraseSet\022A\n" @@ -170,17 +173,18 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() { + "language_code\030\010 \001(\t\022\030\n" + "\020enable_word_info\030\t \001(\010\022%\n" + "\035use_timeout_based_endpointing\030\013 \001(\010\022_\n" - + "\021gemini_asr_config\030\017 " - + "\001(\0132>.google.cloud.dialogflow.v2.SpeechToTextConfig.GeminiAsrConfigB\004\342A\001\001\022\034\n" - + "\016use_gemini_asr\030\020 \001(\010B\004\342A\001\001\032\265\004\n" - + "\017GeminiAsrConfig\022\026\n" - + "\010model_id\030\001 \001(\tB\004\342A\001\001\022!\n" + + "\021gemini_asr_config\030\017 \001(\0132>.google.cloud.dialogflo" + + "w.v2.SpeechToTextConfig.GeminiAsrConfigB\004\342A\001\001\022\034\n" + + "\016use_gemini_asr\030\020 \001(\010B\004\342A\001\001\0224\n" + + "!disable_interim_input_transcripts\030\021" + + " \001(\010B\004\342A\001\001H\000\210\001\001\032\235\004\n" + + "\017GeminiAsrConfig\022!\n" + "\023silence_duration_ms\030\002 \001(\005B\004\342A\001\001\022\037\n" + "\021prefix_padding_ms\030\003 \001(\005B\004\342A\001\001\022z\n" - + "\033start_of_speech_sensitivity\030\004 \001(\0162O.google.cloud.dialogflow.v" - + "2.SpeechToTextConfig.GeminiAsrConfig.StartSensitivityB\004\342A\001\001\022v\n" - + "\031end_of_speech_sensitivity\030\005 \001(\0162M.google.cloud.dialogflow" - + ".v2.SpeechToTextConfig.GeminiAsrConfig.EndSensitivityB\004\342A\001\001\"l\n" + + "\033start_of_speech_sensitivity\030\004 \001(\0162O.google.cloud.dialogflow" + + ".v2.SpeechToTextConfig.GeminiAsrConfig.StartSensitivityB\004\342A\001\001\022v\n" + + "\031end_of_speech_sensitivity\030\005 \001(\0162M.google.cloud.dialogfl" + + "ow.v2.SpeechToTextConfig.GeminiAsrConfig.EndSensitivityB\004\342A\001\001\"l\n" + "\020StartSensitivity\022!\n" + "\035START_SENSITIVITY_UNSPECIFIED\020\000\022\032\n" + "\026START_SENSITIVITY_HIGH\020\001\022\031\n" @@ -188,7 +192,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() { + "\016EndSensitivity\022\037\n" + "\033END_SENSITIVITY_UNSPECIFIED\020\000\022\030\n" + "\024END_SENSITIVITY_HIGH\020\001\022\027\n" - + "\023END_SENSITIVITY_LOW\020\002*\224\002\n\r" + + "\023END_SENSITIVITY_LOW\020\002B$\n" + + "\"_disable_interim_input_transcripts*\224\002\n\r" + "TelephonyDtmf\022\036\n" + "\032TELEPHONY_DTMF_UNSPECIFIED\020\000\022\014\n" + "\010DTMF_ONE\020\001\022\014\n" @@ -291,6 +296,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() { "OptOutConformerModelMigration", "GeminiAsrConfig", "UseGeminiAsr", + "DisableInterimInputTranscripts", }); internal_static_google_cloud_dialogflow_v2_VoiceSelectionParams_descriptor = getDescriptor().getMessageType(3); @@ -353,6 +359,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() { "UseTimeoutBasedEndpointing", "GeminiAsrConfig", "UseGeminiAsr", + "DisableInterimInputTranscripts", }); internal_static_google_cloud_dialogflow_v2_SpeechToTextConfig_GeminiAsrConfig_descriptor = internal_static_google_cloud_dialogflow_v2_SpeechToTextConfig_descriptor.getNestedType(0); @@ -360,7 +367,6 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() { new com.google.protobuf.GeneratedMessage.FieldAccessorTable( internal_static_google_cloud_dialogflow_v2_SpeechToTextConfig_GeminiAsrConfig_descriptor, new java.lang.String[] { - "ModelId", "SilenceDurationMs", "PrefixPaddingMs", "StartOfSpeechSensitivity", diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AutomatedAgentReply.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AutomatedAgentReply.java index ae89c3576045..ddc0502b7380 100644 --- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AutomatedAgentReply.java +++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AutomatedAgentReply.java @@ -52,8 +52,12 @@ private AutomatedAgentReply(com.google.protobuf.GeneratedMessage.Builder buil } private AutomatedAgentReply() { + responseMessages_ = java.util.Collections.emptyList(); + intent_ = ""; + event_ = ""; automatedAgentReplyType_ = 0; cxCurrentPage_ = ""; + callCompanionAuthCode_ = com.google.protobuf.ByteString.EMPTY; } public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() { @@ -310,6 +314,270 @@ public com.google.cloud.dialogflow.v2.DetectIntentResponse getDetectIntentRespon : detectIntentResponse_; } + public static final int RESPONSE_MESSAGES_FIELD_NUMBER = 3; + + @SuppressWarnings("serial") + private java.util.List responseMessages_; + + /** + * + * + * 
+   * Response messages from the automated agent.
+   *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + @java.lang.Override + public java.util.List getResponseMessagesList() { + return responseMessages_; + } + + /** + * + * + * 
+   * Response messages from the automated agent.
+   *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + @java.lang.Override + public java.util.List + getResponseMessagesOrBuilderList() { + return responseMessages_; + } + + /** + * + * + * 
+   * Response messages from the automated agent.
+   *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + @java.lang.Override + public int getResponseMessagesCount() { + return responseMessages_.size(); + } + + /** + * + * + * 
+   * Response messages from the automated agent.
+   *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + @java.lang.Override + public com.google.cloud.dialogflow.v2.ResponseMessage getResponseMessages(int index) { + return responseMessages_.get(index); + } + + /** + * + * + * 
+   * Response messages from the automated agent.
+   *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + @java.lang.Override + public com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder getResponseMessagesOrBuilder( + int index) { + return responseMessages_.get(index); + } + + public static final int INTENT_FIELD_NUMBER = 4; + + @SuppressWarnings("serial") + private volatile java.lang.Object intent_ = ""; + + /** + * + * + * 
+   * Name of the intent if an intent is matched for the query.
+   * For a V2 query, the value format is `projects/<Project ID>/locations/
+   * <Location ID>/agent/intents/<Intent ID>`.
+   * For a V3 query, the value format is `projects/<Project ID>/locations/
+   * <Location ID>/agents/<Agent ID>/intents/<Intent ID>`.
+   *
+ * + * string intent = 4 [(.google.api.resource_reference) = { ... } + * + * @return The intent. + */ + @java.lang.Override + public java.lang.String getIntent() { + java.lang.Object ref = intent_; + if (ref instanceof java.lang.String) { + return (java.lang.String) ref; + } else { + com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref; + java.lang.String s = bs.toStringUtf8(); + intent_ = s; + return s; + } + } + + /** + * + * + * 
+   * Name of the intent if an intent is matched for the query.
+   * For a V2 query, the value format is `projects/<Project ID>/locations/
+   * <Location ID>/agent/intents/<Intent ID>`.
+   * For a V3 query, the value format is `projects/<Project ID>/locations/
+   * <Location ID>/agents/<Agent ID>/intents/<Intent ID>`.
+   *
+ * + * string intent = 4 [(.google.api.resource_reference) = { ... } + * + * @return The bytes for intent. + */ + @java.lang.Override + public com.google.protobuf.ByteString getIntentBytes() { + java.lang.Object ref = intent_; + if (ref instanceof java.lang.String) { + com.google.protobuf.ByteString b = + com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref); + intent_ = b; + return b; + } else { + return (com.google.protobuf.ByteString) ref; + } + } + + public static final int EVENT_FIELD_NUMBER = 5; + + @SuppressWarnings("serial") + private volatile java.lang.Object event_ = ""; + + /** + * + * + * 
+   * Event name if an event is triggered for the query.
+   *
+ * + * string event = 5; + * + * @return The event. + */ + @java.lang.Override + public java.lang.String getEvent() { + java.lang.Object ref = event_; + if (ref instanceof java.lang.String) { + return (java.lang.String) ref; + } else { + com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref; + java.lang.String s = bs.toStringUtf8(); + event_ = s; + return s; + } + } + + /** + * + * + * 
+   * Event name if an event is triggered for the query.
+   *
+ * + * string event = 5; + * + * @return The bytes for event. + */ + @java.lang.Override + public com.google.protobuf.ByteString getEventBytes() { + java.lang.Object ref = event_; + if (ref instanceof java.lang.String) { + com.google.protobuf.ByteString b = + com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref); + event_ = b; + return b; + } else { + return (com.google.protobuf.ByteString) ref; + } + } + + public static final int MATCH_CONFIDENCE_FIELD_NUMBER = 9; + private float matchConfidence_ = 0F; + + /** + * + * + * 
+   * The confidence of the match. Values range from 0.0 (completely uncertain)
+   * to 1.0 (completely certain).
+   * This value is for informational purpose only and is only used to help match
+   * the best intent within the classification threshold. This value may change
+   * for the same end-user expression at any time due to a model retraining or
+   * change in implementation.
+   *
+ * + * float match_confidence = 9; + * + * @return The matchConfidence. + */ + @java.lang.Override + public float getMatchConfidence() { + return matchConfidence_; + } + + public static final int PARAMETERS_FIELD_NUMBER = 10; + private com.google.protobuf.Struct parameters_; + + /** + * + * + * 
+   * The collection of current parameters at the time of this response.
+   *
+ * + * .google.protobuf.Struct parameters = 10; + * + * @return Whether the parameters field is set. + */ + @java.lang.Override + public boolean hasParameters() { + return ((bitField0_ & 0x00000002) != 0); + } + + /** + * + * + * 
+   * The collection of current parameters at the time of this response.
+   *
+ * + * .google.protobuf.Struct parameters = 10; + * + * @return The parameters. + */ + @java.lang.Override + public com.google.protobuf.Struct getParameters() { + return parameters_ == null ? com.google.protobuf.Struct.getDefaultInstance() : parameters_; + } + + /** + * + * + * 
+   * The collection of current parameters at the time of this response.
+   *
+ * + * .google.protobuf.Struct parameters = 10; + */ + @java.lang.Override + public com.google.protobuf.StructOrBuilder getParametersOrBuilder() { + return parameters_ == null ? com.google.protobuf.Struct.getDefaultInstance() : parameters_; + } + public static final int AUTOMATED_AGENT_REPLY_TYPE_FIELD_NUMBER = 7; private int automatedAgentReplyType_ = 0; @@ -433,6 +701,26 @@ public com.google.protobuf.ByteString getCxCurrentPageBytes() { } } + public static final int CALL_COMPANION_AUTH_CODE_FIELD_NUMBER = 12; + private com.google.protobuf.ByteString callCompanionAuthCode_ = + com.google.protobuf.ByteString.EMPTY; + + /** + * + * + * 
+   * The auth code for accessing Call Companion UI.
+   *
+ * + * bytes call_companion_auth_code = 12; + * + * @return The callCompanionAuthCode. + */ + @java.lang.Override + public com.google.protobuf.ByteString getCallCompanionAuthCode() { + return callCompanionAuthCode_; + } + private byte memoizedIsInitialized = -1; @java.lang.Override @@ -450,6 +738,15 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io if (((bitField0_ & 0x00000001) != 0)) { output.writeMessage(1, getDetectIntentResponse()); } + for (int i = 0; i < responseMessages_.size(); i++) { + output.writeMessage(3, responseMessages_.get(i)); + } + if (!com.google.protobuf.GeneratedMessage.isStringEmpty(intent_)) { + com.google.protobuf.GeneratedMessage.writeString(output, 4, intent_); + } + if (!com.google.protobuf.GeneratedMessage.isStringEmpty(event_)) { + com.google.protobuf.GeneratedMessage.writeString(output, 5, event_); + } if (automatedAgentReplyType_ != com.google.cloud.dialogflow.v2.AutomatedAgentReply.AutomatedAgentReplyType .AUTOMATED_AGENT_REPLY_TYPE_UNSPECIFIED @@ -459,9 +756,18 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io if (allowCancellation_ != false) { output.writeBool(8, allowCancellation_); } + if (java.lang.Float.floatToRawIntBits(matchConfidence_) != 0) { + output.writeFloat(9, matchConfidence_); + } + if (((bitField0_ & 0x00000002) != 0)) { + output.writeMessage(10, getParameters()); + } if (!com.google.protobuf.GeneratedMessage.isStringEmpty(cxCurrentPage_)) { com.google.protobuf.GeneratedMessage.writeString(output, 11, cxCurrentPage_); } + if (!callCompanionAuthCode_.isEmpty()) { + output.writeBytes(12, callCompanionAuthCode_); + } getUnknownFields().writeTo(output); } @@ -475,6 +781,15 @@ public int getSerializedSize() { size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getDetectIntentResponse()); } + for (int i = 0; i < responseMessages_.size(); i++) { + size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, responseMessages_.get(i)); + } + if (!com.google.protobuf.GeneratedMessage.isStringEmpty(intent_)) { + size += com.google.protobuf.GeneratedMessage.computeStringSize(4, intent_); + } + if (!com.google.protobuf.GeneratedMessage.isStringEmpty(event_)) { + size += com.google.protobuf.GeneratedMessage.computeStringSize(5, event_); + } if (automatedAgentReplyType_ != com.google.cloud.dialogflow.v2.AutomatedAgentReply.AutomatedAgentReplyType .AUTOMATED_AGENT_REPLY_TYPE_UNSPECIFIED @@ -484,9 +799,18 @@ public int getSerializedSize() { if (allowCancellation_ != false) { size += com.google.protobuf.CodedOutputStream.computeBoolSize(8, allowCancellation_); } + if (java.lang.Float.floatToRawIntBits(matchConfidence_) != 0) { + size += com.google.protobuf.CodedOutputStream.computeFloatSize(9, matchConfidence_); + } + if (((bitField0_ & 0x00000002) != 0)) { + size += com.google.protobuf.CodedOutputStream.computeMessageSize(10, getParameters()); + } if (!com.google.protobuf.GeneratedMessage.isStringEmpty(cxCurrentPage_)) { size += com.google.protobuf.GeneratedMessage.computeStringSize(11, cxCurrentPage_); } + if (!callCompanionAuthCode_.isEmpty()) { + size += com.google.protobuf.CodedOutputStream.computeBytesSize(12, callCompanionAuthCode_); + } size += getUnknownFields().getSerializedSize(); memoizedSize = size; return size; @@ -507,9 +831,19 @@ public boolean equals(final java.lang.Object obj) { if (hasDetectIntentResponse()) { if (!getDetectIntentResponse().equals(other.getDetectIntentResponse())) return false; } + if (!getResponseMessagesList().equals(other.getResponseMessagesList())) return false; + if (!getIntent().equals(other.getIntent())) return false; + if (!getEvent().equals(other.getEvent())) return false; + if (java.lang.Float.floatToIntBits(getMatchConfidence()) + != java.lang.Float.floatToIntBits(other.getMatchConfidence())) return false; + if (hasParameters() != other.hasParameters()) return false; + if (hasParameters()) { + if (!getParameters().equals(other.getParameters())) return false; + } if (automatedAgentReplyType_ != other.automatedAgentReplyType_) return false; if (getAllowCancellation() != other.getAllowCancellation()) return false; if (!getCxCurrentPage().equals(other.getCxCurrentPage())) return false; + if (!getCallCompanionAuthCode().equals(other.getCallCompanionAuthCode())) return false; if (!getUnknownFields().equals(other.getUnknownFields())) return false; return true; } @@ -525,12 +859,28 @@ public int hashCode() { hash = (37 * hash) + DETECT_INTENT_RESPONSE_FIELD_NUMBER; hash = (53 * hash) + getDetectIntentResponse().hashCode(); } + if (getResponseMessagesCount() > 0) { + hash = (37 * hash) + RESPONSE_MESSAGES_FIELD_NUMBER; + hash = (53 * hash) + getResponseMessagesList().hashCode(); + } + hash = (37 * hash) + INTENT_FIELD_NUMBER; + hash = (53 * hash) + getIntent().hashCode(); + hash = (37 * hash) + EVENT_FIELD_NUMBER; + hash = (53 * hash) + getEvent().hashCode(); + hash = (37 * hash) + MATCH_CONFIDENCE_FIELD_NUMBER; + hash = (53 * hash) + java.lang.Float.floatToIntBits(getMatchConfidence()); + if (hasParameters()) { + hash = (37 * hash) + PARAMETERS_FIELD_NUMBER; + hash = (53 * hash) + getParameters().hashCode(); + } hash = (37 * hash) + AUTOMATED_AGENT_REPLY_TYPE_FIELD_NUMBER; hash = (53 * hash) + automatedAgentReplyType_; hash = (37 * hash) + ALLOW_CANCELLATION_FIELD_NUMBER; hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getAllowCancellation()); hash = (37 * hash) + CX_CURRENT_PAGE_FIELD_NUMBER; hash = (53 * hash) + getCxCurrentPage().hashCode(); + hash = (37 * hash) + CALL_COMPANION_AUTH_CODE_FIELD_NUMBER; + hash = (53 * hash) + getCallCompanionAuthCode().hashCode(); hash = (29 * hash) + getUnknownFields().hashCode(); memoizedHashCode = hash; return hash; @@ -673,6 +1023,8 @@ private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) { private void maybeForceBuilderInitialization() { if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) { internalGetDetectIntentResponseFieldBuilder(); + internalGetResponseMessagesFieldBuilder(); + internalGetParametersFieldBuilder(); } } @@ -685,9 +1037,25 @@ public Builder clear() { detectIntentResponseBuilder_.dispose(); detectIntentResponseBuilder_ = null; } + if (responseMessagesBuilder_ == null) { + responseMessages_ = java.util.Collections.emptyList(); + } else { + responseMessages_ = null; + responseMessagesBuilder_.clear(); + } + bitField0_ = (bitField0_ & ~0x00000002); + intent_ = ""; + event_ = ""; + matchConfidence_ = 0F; + parameters_ = null; + if (parametersBuilder_ != null) { + parametersBuilder_.dispose(); + parametersBuilder_ = null; + } automatedAgentReplyType_ = 0; allowCancellation_ = false; cxCurrentPage_ = ""; + callCompanionAuthCode_ = com.google.protobuf.ByteString.EMPTY; return this; } @@ -715,6 +1083,7 @@ public com.google.cloud.dialogflow.v2.AutomatedAgentReply build() { public com.google.cloud.dialogflow.v2.AutomatedAgentReply buildPartial() { com.google.cloud.dialogflow.v2.AutomatedAgentReply result = new com.google.cloud.dialogflow.v2.AutomatedAgentReply(this); + buildPartialRepeatedFields(result); if (bitField0_ != 0) { buildPartial0(result); } @@ -722,6 +1091,19 @@ public com.google.cloud.dialogflow.v2.AutomatedAgentReply buildPartial() { return result; } + private void buildPartialRepeatedFields( + com.google.cloud.dialogflow.v2.AutomatedAgentReply result) { + if (responseMessagesBuilder_ == null) { + if (((bitField0_ & 0x00000002) != 0)) { + responseMessages_ = java.util.Collections.unmodifiableList(responseMessages_); + bitField0_ = (bitField0_ & ~0x00000002); + } + result.responseMessages_ = responseMessages_; + } else { + result.responseMessages_ = responseMessagesBuilder_.build(); + } + } + private void buildPartial0(com.google.cloud.dialogflow.v2.AutomatedAgentReply result) { int from_bitField0_ = bitField0_; int to_bitField0_ = 0; @@ -732,15 +1114,31 @@ private void buildPartial0(com.google.cloud.dialogflow.v2.AutomatedAgentReply re : detectIntentResponseBuilder_.build(); to_bitField0_ |= 0x00000001; } - if (((from_bitField0_ & 0x00000002) != 0)) { + if (((from_bitField0_ & 0x00000004) != 0)) { + result.intent_ = intent_; + } + if (((from_bitField0_ & 0x00000008) != 0)) { + result.event_ = event_; + } + if (((from_bitField0_ & 0x00000010) != 0)) { + result.matchConfidence_ = matchConfidence_; + } + if (((from_bitField0_ & 0x00000020) != 0)) { + result.parameters_ = parametersBuilder_ == null ? parameters_ : parametersBuilder_.build(); + to_bitField0_ |= 0x00000002; + } + if (((from_bitField0_ & 0x00000040) != 0)) { result.automatedAgentReplyType_ = automatedAgentReplyType_; } - if (((from_bitField0_ & 0x00000004) != 0)) { + if (((from_bitField0_ & 0x00000080) != 0)) { result.allowCancellation_ = allowCancellation_; } - if (((from_bitField0_ & 0x00000008) != 0)) { + if (((from_bitField0_ & 0x00000100) != 0)) { result.cxCurrentPage_ = cxCurrentPage_; } + if (((from_bitField0_ & 0x00000200) != 0)) { + result.callCompanionAuthCode_ = callCompanionAuthCode_; + } result.bitField0_ |= to_bitField0_; } @@ -760,6 +1158,49 @@ public Builder mergeFrom(com.google.cloud.dialogflow.v2.AutomatedAgentReply othe if (other.hasDetectIntentResponse()) { mergeDetectIntentResponse(other.getDetectIntentResponse()); } + if (responseMessagesBuilder_ == null) { + if (!other.responseMessages_.isEmpty()) { + if (responseMessages_.isEmpty()) { + responseMessages_ = other.responseMessages_; + bitField0_ = (bitField0_ & ~0x00000002); + } else { + ensureResponseMessagesIsMutable(); + responseMessages_.addAll(other.responseMessages_); + } + onChanged(); + } + } else { + if (!other.responseMessages_.isEmpty()) { + if (responseMessagesBuilder_.isEmpty()) { + responseMessagesBuilder_.dispose(); + responseMessagesBuilder_ = null; + responseMessages_ = other.responseMessages_; + bitField0_ = (bitField0_ & ~0x00000002); + responseMessagesBuilder_ = + com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders + ? internalGetResponseMessagesFieldBuilder() + : null; + } else { + responseMessagesBuilder_.addAllMessages(other.responseMessages_); + } + } + } + if (!other.getIntent().isEmpty()) { + intent_ = other.intent_; + bitField0_ |= 0x00000004; + onChanged(); + } + if (!other.getEvent().isEmpty()) { + event_ = other.event_; + bitField0_ |= 0x00000008; + onChanged(); + } + if (java.lang.Float.floatToRawIntBits(other.getMatchConfidence()) != 0) { + setMatchConfidence(other.getMatchConfidence()); + } + if (other.hasParameters()) { + mergeParameters(other.getParameters()); + } if (other.automatedAgentReplyType_ != 0) { setAutomatedAgentReplyTypeValue(other.getAutomatedAgentReplyTypeValue()); } @@ -768,9 +1209,12 @@ public Builder mergeFrom(com.google.cloud.dialogflow.v2.AutomatedAgentReply othe } if (!other.getCxCurrentPage().isEmpty()) { cxCurrentPage_ = other.cxCurrentPage_; - bitField0_ |= 0x00000008; + bitField0_ |= 0x00000100; onChanged(); } + if (!other.getCallCompanionAuthCode().isEmpty()) { + setCallCompanionAuthCode(other.getCallCompanionAuthCode()); + } this.mergeUnknownFields(other.getUnknownFields()); onChanged(); return this; @@ -804,24 +1248,68 @@ public Builder mergeFrom( bitField0_ |= 0x00000001; break; } // case 10 + case 26: + { + com.google.cloud.dialogflow.v2.ResponseMessage m = + input.readMessage( + com.google.cloud.dialogflow.v2.ResponseMessage.parser(), extensionRegistry); + if (responseMessagesBuilder_ == null) { + ensureResponseMessagesIsMutable(); + responseMessages_.add(m); + } else { + responseMessagesBuilder_.addMessage(m); + } + break; + } // case 26 + case 34: + { + intent_ = input.readStringRequireUtf8(); + bitField0_ |= 0x00000004; + break; + } // case 34 + case 42: + { + event_ = input.readStringRequireUtf8(); + bitField0_ |= 0x00000008; + break; + } // case 42 case 56: { automatedAgentReplyType_ = input.readEnum(); - bitField0_ |= 0x00000002; + bitField0_ |= 0x00000040; break; } // case 56 case 64: { allowCancellation_ = input.readBool(); - bitField0_ |= 0x00000004; + bitField0_ |= 0x00000080; break; } // case 64 + case 77: + { + matchConfidence_ = input.readFloat(); + bitField0_ |= 0x00000010; + break; + } // case 77 + case 82: + { + input.readMessage( + internalGetParametersFieldBuilder().getBuilder(), extensionRegistry); + bitField0_ |= 0x00000020; + break; + } // case 82 case 90: { cxCurrentPage_ = input.readStringRequireUtf8(); - bitField0_ |= 0x00000008; + bitField0_ |= 0x00000100; break; } // case 90 + case 98: + { + callCompanionAuthCode_ = input.readBytes(); + bitField0_ |= 0x00000200; + break; + } // case 98 default: { if (!super.parseUnknownField(input, extensionRegistry, tag)) { @@ -1059,9 +1547,890 @@ public Builder clearDetectIntentResponse() { return detectIntentResponseBuilder_; } - private int automatedAgentReplyType_ = 0; + private java.util.List responseMessages_ = + java.util.Collections.emptyList(); - /** + private void ensureResponseMessagesIsMutable() { + if (!((bitField0_ & 0x00000002) != 0)) { + responseMessages_ = + new java.util.ArrayList( + responseMessages_); + bitField0_ |= 0x00000002; + } + } + + private com.google.protobuf.RepeatedFieldBuilder< + com.google.cloud.dialogflow.v2.ResponseMessage, + com.google.cloud.dialogflow.v2.ResponseMessage.Builder, + com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder> + responseMessagesBuilder_; + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public java.util.List + getResponseMessagesList() { + if (responseMessagesBuilder_ == null) { + return java.util.Collections.unmodifiableList(responseMessages_); + } else { + return responseMessagesBuilder_.getMessageList(); + } + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public int getResponseMessagesCount() { + if (responseMessagesBuilder_ == null) { + return responseMessages_.size(); + } else { + return responseMessagesBuilder_.getCount(); + } + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public com.google.cloud.dialogflow.v2.ResponseMessage getResponseMessages(int index) { + if (responseMessagesBuilder_ == null) { + return responseMessages_.get(index); + } else { + return responseMessagesBuilder_.getMessage(index); + } + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public Builder setResponseMessages( + int index, com.google.cloud.dialogflow.v2.ResponseMessage value) { + if (responseMessagesBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + ensureResponseMessagesIsMutable(); + responseMessages_.set(index, value); + onChanged(); + } else { + responseMessagesBuilder_.setMessage(index, value); + } + return this; + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public Builder setResponseMessages( + int index, com.google.cloud.dialogflow.v2.ResponseMessage.Builder builderForValue) { + if (responseMessagesBuilder_ == null) { + ensureResponseMessagesIsMutable(); + responseMessages_.set(index, builderForValue.build()); + onChanged(); + } else { + responseMessagesBuilder_.setMessage(index, builderForValue.build()); + } + return this; + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public Builder addResponseMessages(com.google.cloud.dialogflow.v2.ResponseMessage value) { + if (responseMessagesBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + ensureResponseMessagesIsMutable(); + responseMessages_.add(value); + onChanged(); + } else { + responseMessagesBuilder_.addMessage(value); + } + return this; + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public Builder addResponseMessages( + int index, com.google.cloud.dialogflow.v2.ResponseMessage value) { + if (responseMessagesBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + ensureResponseMessagesIsMutable(); + responseMessages_.add(index, value); + onChanged(); + } else { + responseMessagesBuilder_.addMessage(index, value); + } + return this; + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public Builder addResponseMessages( + com.google.cloud.dialogflow.v2.ResponseMessage.Builder builderForValue) { + if (responseMessagesBuilder_ == null) { + ensureResponseMessagesIsMutable(); + responseMessages_.add(builderForValue.build()); + onChanged(); + } else { + responseMessagesBuilder_.addMessage(builderForValue.build()); + } + return this; + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public Builder addResponseMessages( + int index, com.google.cloud.dialogflow.v2.ResponseMessage.Builder builderForValue) { + if (responseMessagesBuilder_ == null) { + ensureResponseMessagesIsMutable(); + responseMessages_.add(index, builderForValue.build()); + onChanged(); + } else { + responseMessagesBuilder_.addMessage(index, builderForValue.build()); + } + return this; + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public Builder addAllResponseMessages( + java.lang.Iterable values) { + if (responseMessagesBuilder_ == null) { + ensureResponseMessagesIsMutable(); + com.google.protobuf.AbstractMessageLite.Builder.addAll(values, responseMessages_); + onChanged(); + } else { + responseMessagesBuilder_.addAllMessages(values); + } + return this; + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public Builder clearResponseMessages() { + if (responseMessagesBuilder_ == null) { + responseMessages_ = java.util.Collections.emptyList(); + bitField0_ = (bitField0_ & ~0x00000002); + onChanged(); + } else { + responseMessagesBuilder_.clear(); + } + return this; + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public Builder removeResponseMessages(int index) { + if (responseMessagesBuilder_ == null) { + ensureResponseMessagesIsMutable(); + responseMessages_.remove(index); + onChanged(); + } else { + responseMessagesBuilder_.remove(index); + } + return this; + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public com.google.cloud.dialogflow.v2.ResponseMessage.Builder getResponseMessagesBuilder( + int index) { + return internalGetResponseMessagesFieldBuilder().getBuilder(index); + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder getResponseMessagesOrBuilder( + int index) { + if (responseMessagesBuilder_ == null) { + return responseMessages_.get(index); + } else { + return responseMessagesBuilder_.getMessageOrBuilder(index); + } + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public java.util.List + getResponseMessagesOrBuilderList() { + if (responseMessagesBuilder_ != null) { + return responseMessagesBuilder_.getMessageOrBuilderList(); + } else { + return java.util.Collections.unmodifiableList(responseMessages_); + } + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public com.google.cloud.dialogflow.v2.ResponseMessage.Builder addResponseMessagesBuilder() { + return internalGetResponseMessagesFieldBuilder() + .addBuilder(com.google.cloud.dialogflow.v2.ResponseMessage.getDefaultInstance()); + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public com.google.cloud.dialogflow.v2.ResponseMessage.Builder addResponseMessagesBuilder( + int index) { + return internalGetResponseMessagesFieldBuilder() + .addBuilder(index, com.google.cloud.dialogflow.v2.ResponseMessage.getDefaultInstance()); + } + + /** + * + * + * 
+     * Response messages from the automated agent.
+     *
+ * + * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3; + */ + public java.util.List + getResponseMessagesBuilderList() { + return internalGetResponseMessagesFieldBuilder().getBuilderList(); + } + + private com.google.protobuf.RepeatedFieldBuilder< + com.google.cloud.dialogflow.v2.ResponseMessage, + com.google.cloud.dialogflow.v2.ResponseMessage.Builder, + com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder> + internalGetResponseMessagesFieldBuilder() { + if (responseMessagesBuilder_ == null) { + responseMessagesBuilder_ = + new com.google.protobuf.RepeatedFieldBuilder< + com.google.cloud.dialogflow.v2.ResponseMessage, + com.google.cloud.dialogflow.v2.ResponseMessage.Builder, + com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder>( + responseMessages_, + ((bitField0_ & 0x00000002) != 0), + getParentForChildren(), + isClean()); + responseMessages_ = null; + } + return responseMessagesBuilder_; + } + + private java.lang.Object intent_ = ""; + + /** + * + * + * 
+     * Name of the intent if an intent is matched for the query.
+     * For a V2 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agent/intents/<Intent ID>`.
+     * For a V3 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agents/<Agent ID>/intents/<Intent ID>`.
+     *
+ * + * string intent = 4 [(.google.api.resource_reference) = { ... } + * + * @return The intent. + */ + public java.lang.String getIntent() { + java.lang.Object ref = intent_; + if (!(ref instanceof java.lang.String)) { + com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref; + java.lang.String s = bs.toStringUtf8(); + intent_ = s; + return s; + } else { + return (java.lang.String) ref; + } + } + + /** + * + * + * 
+     * Name of the intent if an intent is matched for the query.
+     * For a V2 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agent/intents/<Intent ID>`.
+     * For a V3 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agents/<Agent ID>/intents/<Intent ID>`.
+     *
+ * + * string intent = 4 [(.google.api.resource_reference) = { ... } + * + * @return The bytes for intent. + */ + public com.google.protobuf.ByteString getIntentBytes() { + java.lang.Object ref = intent_; + if (ref instanceof String) { + com.google.protobuf.ByteString b = + com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref); + intent_ = b; + return b; + } else { + return (com.google.protobuf.ByteString) ref; + } + } + + /** + * + * + * 
+     * Name of the intent if an intent is matched for the query.
+     * For a V2 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agent/intents/<Intent ID>`.
+     * For a V3 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agents/<Agent ID>/intents/<Intent ID>`.
+     *
+ * + * string intent = 4 [(.google.api.resource_reference) = { ... } + * + * @param value The intent to set. + * @return This builder for chaining. + */ + public Builder setIntent(java.lang.String value) { + if (value == null) { + throw new NullPointerException(); + } + intent_ = value; + bitField0_ |= 0x00000004; + onChanged(); + return this; + } + + /** + * + * + * 
+     * Name of the intent if an intent is matched for the query.
+     * For a V2 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agent/intents/<Intent ID>`.
+     * For a V3 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agents/<Agent ID>/intents/<Intent ID>`.
+     *
+ * + * string intent = 4 [(.google.api.resource_reference) = { ... } + * + * @return This builder for chaining. + */ + public Builder clearIntent() { + intent_ = getDefaultInstance().getIntent(); + bitField0_ = (bitField0_ & ~0x00000004); + onChanged(); + return this; + } + + /** + * + * + * 
+     * Name of the intent if an intent is matched for the query.
+     * For a V2 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agent/intents/<Intent ID>`.
+     * For a V3 query, the value format is `projects/<Project ID>/locations/
+     * <Location ID>/agents/<Agent ID>/intents/<Intent ID>`.
+     *
+ * + * string intent = 4 [(.google.api.resource_reference) = { ... } + * + * @param value The bytes for intent to set. + * @return This builder for chaining. + */ + public Builder setIntentBytes(com.google.protobuf.ByteString value) { + if (value == null) { + throw new NullPointerException(); + } + checkByteStringIsUtf8(value); + intent_ = value; + bitField0_ |= 0x00000004; + onChanged(); + return this; + } + + private java.lang.Object event_ = ""; + + /** + * + * + * 
+     * Event name if an event is triggered for the query.
+     *
+ * + * string event = 5; + * + * @return The event. + */ + public java.lang.String getEvent() { + java.lang.Object ref = event_; + if (!(ref instanceof java.lang.String)) { + com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref; + java.lang.String s = bs.toStringUtf8(); + event_ = s; + return s; + } else { + return (java.lang.String) ref; + } + } + + /** + * + * + * 
+     * Event name if an event is triggered for the query.
+     *
+ * + * string event = 5; + * + * @return The bytes for event. + */ + public com.google.protobuf.ByteString getEventBytes() { + java.lang.Object ref = event_; + if (ref instanceof String) { + com.google.protobuf.ByteString b = + com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref); + event_ = b; + return b; + } else { + return (com.google.protobuf.ByteString) ref; + } + } + + /** + * + * + * 
+     * Event name if an event is triggered for the query.
+     *
+ * + * string event = 5; + * + * @param value The event to set. + * @return This builder for chaining. + */ + public Builder setEvent(java.lang.String value) { + if (value == null) { + throw new NullPointerException(); + } + event_ = value; + bitField0_ |= 0x00000008; + onChanged(); + return this; + } + + /** + * + * + * 
+     * Event name if an event is triggered for the query.
+     *
+ * + * string event = 5; + * + * @return This builder for chaining. + */ + public Builder clearEvent() { + event_ = getDefaultInstance().getEvent(); + bitField0_ = (bitField0_ & ~0x00000008); + onChanged(); + return this; + } + + /** + * + * + * 
+     * Event name if an event is triggered for the query.
+     *
+ * + * string event = 5; + * + * @param value The bytes for event to set. + * @return This builder for chaining. + */ + public Builder setEventBytes(com.google.protobuf.ByteString value) { + if (value == null) { + throw new NullPointerException(); + } + checkByteStringIsUtf8(value); + event_ = value; + bitField0_ |= 0x00000008; + onChanged(); + return this; + } + + private float matchConfidence_; + + /** + * + * + * 
+     * The confidence of the match. Values range from 0.0 (completely uncertain)
+     * to 1.0 (completely certain).
+     * This value is for informational purpose only and is only used to help match
+     * the best intent within the classification threshold. This value may change
+     * for the same end-user expression at any time due to a model retraining or
+     * change in implementation.
+     *
+ * + * float match_confidence = 9; + * + * @return The matchConfidence. + */ + @java.lang.Override + public float getMatchConfidence() { + return matchConfidence_; + } + + /** + * + * + * 
+     * The confidence of the match. Values range from 0.0 (completely uncertain)
+     * to 1.0 (completely certain).
+     * This value is for informational purpose only and is only used to help match
+     * the best intent within the classification threshold. This value may change
+     * for the same end-user expression at any time due to a model retraining or
+     * change in implementation.
+     *
+ * + * float match_confidence = 9; + * + * @param value The matchConfidence to set. + * @return This builder for chaining. + */ + public Builder setMatchConfidence(float value) { + + matchConfidence_ = value; + bitField0_ |= 0x00000010; + onChanged(); + return this; + } + + /** + * + * + * 
+     * The confidence of the match. Values range from 0.0 (completely uncertain)
+     * to 1.0 (completely certain).
+     * This value is for informational purpose only and is only used to help match
+     * the best intent within the classification threshold. This value may change
+     * for the same end-user expression at any time due to a model retraining or
+     * change in implementation.
+     *
+ * + * float match_confidence = 9; + * + * @return This builder for chaining. + */ + public Builder clearMatchConfidence() { + bitField0_ = (bitField0_ & ~0x00000010); + matchConfidence_ = 0F; + onChanged(); + return this; + } + + private com.google.protobuf.Struct parameters_; + private com.google.protobuf.SingleFieldBuilder< + com.google.protobuf.Struct, + com.google.protobuf.Struct.Builder, + com.google.protobuf.StructOrBuilder> + parametersBuilder_; + + /** + * + * + * 
+     * The collection of current parameters at the time of this response.
+     *
+ * + * .google.protobuf.Struct parameters = 10; + * + * @return Whether the parameters field is set. + */ + public boolean hasParameters() { + return ((bitField0_ & 0x00000020) != 0); + } + + /** + * + * + * 
+     * The collection of current parameters at the time of this response.
+     *
+ * + * .google.protobuf.Struct parameters = 10; + * + * @return The parameters. + */ + public com.google.protobuf.Struct getParameters() { + if (parametersBuilder_ == null) { + return parameters_ == null ? com.google.protobuf.Struct.getDefaultInstance() : parameters_; + } else { + return parametersBuilder_.getMessage(); + } + } + + /** + * + * + * 
+     * The collection of current parameters at the time of this response.
+     *
+ * + * .google.protobuf.Struct parameters = 10; + */ + public Builder setParameters(com.google.protobuf.Struct value) { + if (parametersBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + parameters_ = value; + } else { + parametersBuilder_.setMessage(value); + } + bitField0_ |= 0x00000020; + onChanged(); + return this; + } + + /** + * + * + * 
+     * The collection of current parameters at the time of this response.
+     *
+ * + * .google.protobuf.Struct parameters = 10; + */ + public Builder setParameters(com.google.protobuf.Struct.Builder builderForValue) { + if (parametersBuilder_ == null) { + parameters_ = builderForValue.build(); + } else { + parametersBuilder_.setMessage(builderForValue.build()); + } + bitField0_ |= 0x00000020; + onChanged(); + return this; + } + + /** + * + * + * 
+     * The collection of current parameters at the time of this response.
+     *
+ * + * .google.protobuf.Struct parameters = 10; + */ + public Builder mergeParameters(com.google.protobuf.Struct value) { + if (parametersBuilder_ == null) { + if (((bitField0_ & 0x00000020) != 0) + && parameters_ != null + && parameters_ != com.google.protobuf.Struct.getDefaultInstance()) { + getParametersBuilder().mergeFrom(value); + } else { + parameters_ = value; + } + } else { + parametersBuilder_.mergeFrom(value); + } + if (parameters_ != null) { + bitField0_ |= 0x00000020; + onChanged(); + } + return this; + } + + /** + * + * + * 
+     * The collection of current parameters at the time of this response.
+     *
+ * + * .google.protobuf.Struct parameters = 10; + */ + public Builder clearParameters() { + bitField0_ = (bitField0_ & ~0x00000020); + parameters_ = null; + if (parametersBuilder_ != null) { + parametersBuilder_.dispose(); + parametersBuilder_ = null; + } + onChanged(); + return this; + } + + /** + * + * + * 
+     * The collection of current parameters at the time of this response.
+     *
+ * + * .google.protobuf.Struct parameters = 10; + */ + public com.google.protobuf.Struct.Builder getParametersBuilder() { + bitField0_ |= 0x00000020; + onChanged(); + return internalGetParametersFieldBuilder().getBuilder(); + } + + /** + * + * + * 
+     * The collection of current parameters at the time of this response.
+     *
+ * + * .google.protobuf.Struct parameters = 10; + */ + public com.google.protobuf.StructOrBuilder getParametersOrBuilder() { + if (parametersBuilder_ != null) { + return parametersBuilder_.getMessageOrBuilder(); + } else { + return parameters_ == null ? com.google.protobuf.Struct.getDefaultInstance() : parameters_; + } + } + + /** + * + * + * 
+     * The collection of current parameters at the time of this response.
+     *
+ * + * .google.protobuf.Struct parameters = 10; + */ + private com.google.protobuf.SingleFieldBuilder< + com.google.protobuf.Struct, + com.google.protobuf.Struct.Builder, + com.google.protobuf.StructOrBuilder> + internalGetParametersFieldBuilder() { + if (parametersBuilder_ == null) { + parametersBuilder_ = + new com.google.protobuf.SingleFieldBuilder< + com.google.protobuf.Struct, + com.google.protobuf.Struct.Builder, + com.google.protobuf.StructOrBuilder>( + getParameters(), getParentForChildren(), isClean()); + parameters_ = null; + } + return parametersBuilder_; + } + + private int automatedAgentReplyType_ = 0; + + /** * * * 
@@ -1095,7 +2464,7 @@ public int getAutomatedAgentReplyTypeValue() {
      */
     public Builder setAutomatedAgentReplyTypeValue(int value) {
       automatedAgentReplyType_ = value;
-      bitField0_ |= 0x00000002;
+      bitField0_ |= 0x00000040;
       onChanged();
       return this;
     }
@@ -1143,7 +2512,7 @@ public Builder setAutomatedAgentReplyType(
       if (value == null) {
         throw new NullPointerException();
       }
-      bitField0_ |= 0x00000002;
+      bitField0_ |= 0x00000040;
       automatedAgentReplyType_ = value.getNumber();
       onChanged();
       return this;
@@ -1163,7 +2532,7 @@ public Builder setAutomatedAgentReplyType(
      * @return This builder for chaining.
      */
     public Builder clearAutomatedAgentReplyType() {
-      bitField0_ = (bitField0_ & ~0x00000002);
+      bitField0_ = (bitField0_ & ~0x00000040);
       automatedAgentReplyType_ = 0;
       onChanged();
       return this;
@@ -1206,7 +2575,7 @@ public boolean getAllowCancellation() {
     public Builder setAllowCancellation(boolean value) {
 
       allowCancellation_ = value;
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000080;
       onChanged();
       return this;
     }
@@ -1225,7 +2594,7 @@ public Builder setAllowCancellation(boolean value) {
      * @return This builder for chaining.
      */
     public Builder clearAllowCancellation() {
-      bitField0_ = (bitField0_ & ~0x00000004);
+      bitField0_ = (bitField0_ & ~0x00000080);
       allowCancellation_ = false;
       onChanged();
       return this;
@@ -1302,7 +2671,7 @@ public Builder setCxCurrentPage(java.lang.String value) {
         throw new NullPointerException();
       }
       cxCurrentPage_ = value;
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000100;
       onChanged();
       return this;
     }
@@ -1322,7 +2691,7 @@ public Builder setCxCurrentPage(java.lang.String value) {
      */
     public Builder clearCxCurrentPage() {
       cxCurrentPage_ = getDefaultInstance().getCxCurrentPage();
-      bitField0_ = (bitField0_ & ~0x00000008);
+      bitField0_ = (bitField0_ & ~0x00000100);
       onChanged();
       return this;
     }
@@ -1347,7 +2716,66 @@ public Builder setCxCurrentPageBytes(com.google.protobuf.ByteString value) {
       }
       checkByteStringIsUtf8(value);
       cxCurrentPage_ = value;
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
+    }
+
+    private com.google.protobuf.ByteString callCompanionAuthCode_ =
+        com.google.protobuf.ByteString.EMPTY;
+
+    /**
+     *
+     *
+     * 
+     * The auth code for accessing Call Companion UI.
+     * 

+     *
+     * bytes call_companion_auth_code = 12;
+     *
+     * @return The callCompanionAuthCode.
+     */
+    @java.lang.Override
+    public com.google.protobuf.ByteString getCallCompanionAuthCode() {
+      return callCompanionAuthCode_;
+    }
+
+    /**
+     *
+     *
+     * 
+     * The auth code for accessing Call Companion UI.
+     * 

+     *
+     * bytes call_companion_auth_code = 12;
+     *
+     * @param value The callCompanionAuthCode to set.
+     * @return This builder for chaining.
+     */
+    public Builder setCallCompanionAuthCode(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      callCompanionAuthCode_ = value;
+      bitField0_ |= 0x00000200;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * The auth code for accessing Call Companion UI.
+     * 

+     *
+     * bytes call_companion_auth_code = 12;
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearCallCompanionAuthCode() {
+      bitField0_ = (bitField0_ & ~0x00000200);
+      callCompanionAuthCode_ = getDefaultInstance().getCallCompanionAuthCode();
       onChanged();
       return this;
     }
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AutomatedAgentReplyOrBuilder.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AutomatedAgentReplyOrBuilder.java
index dd33331ae118..4eccb31cfde6 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AutomatedAgentReplyOrBuilder.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/AutomatedAgentReplyOrBuilder.java
@@ -69,6 +69,177 @@ public interface AutomatedAgentReplyOrBuilder
    */
   com.google.cloud.dialogflow.v2.DetectIntentResponseOrBuilder getDetectIntentResponseOrBuilder();
 
+  /**
+   *
+   *
+   * 
+   * Response messages from the automated agent.
+   * 

+   *
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3;
+   */
+  java.util.List getResponseMessagesList();
+
+  /**
+   *
+   *
+   * 
+   * Response messages from the automated agent.
+   * 

+   *
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3;
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage getResponseMessages(int index);
+
+  /**
+   *
+   *
+   * 
+   * Response messages from the automated agent.
+   * 

+   *
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3;
+   */
+  int getResponseMessagesCount();
+
+  /**
+   *
+   *
+   * 
+   * Response messages from the automated agent.
+   * 

+   *
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3;
+   */
+  java.util.List
+      getResponseMessagesOrBuilderList();
+
+  /**
+   *
+   *
+   * 
+   * Response messages from the automated agent.
+   * 

+   *
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 3;
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder getResponseMessagesOrBuilder(int index);
+
+  /**
+   *
+   *
+   * 
+   * Name of the intent if an intent is matched for the query.
+   * For a V2 query, the value format is `projects/<Project ID>/locations/
+   * <Location ID>/agent/intents/<Intent ID>`.
+   * For a V3 query, the value format is `projects/<Project ID>/locations/
+   * <Location ID>/agents/<Agent ID>/intents/<Intent ID>`.
+   * 

+   *
+   * string intent = 4 [(.google.api.resource_reference) = { ... }
+   *
+   * @return The intent.
+   */
+  java.lang.String getIntent();
+
+  /**
+   *
+   *
+   * 
+   * Name of the intent if an intent is matched for the query.
+   * For a V2 query, the value format is `projects/<Project ID>/locations/
+   * <Location ID>/agent/intents/<Intent ID>`.
+   * For a V3 query, the value format is `projects/<Project ID>/locations/
+   * <Location ID>/agents/<Agent ID>/intents/<Intent ID>`.
+   * 

+   *
+   * string intent = 4 [(.google.api.resource_reference) = { ... }
+   *
+   * @return The bytes for intent.
+   */
+  com.google.protobuf.ByteString getIntentBytes();
+
+  /**
+   *
+   *
+   * 
+   * Event name if an event is triggered for the query.
+   * 

+   *
+   * string event = 5;
+   *
+   * @return The event.
+   */
+  java.lang.String getEvent();
+
+  /**
+   *
+   *
+   * 
+   * Event name if an event is triggered for the query.
+   * 

+   *
+   * string event = 5;
+   *
+   * @return The bytes for event.
+   */
+  com.google.protobuf.ByteString getEventBytes();
+
+  /**
+   *
+   *
+   * 
+   * The confidence of the match. Values range from 0.0 (completely uncertain)
+   * to 1.0 (completely certain).
+   * This value is for informational purpose only and is only used to help match
+   * the best intent within the classification threshold. This value may change
+   * for the same end-user expression at any time due to a model retraining or
+   * change in implementation.
+   * 

+   *
+   * float match_confidence = 9;
+   *
+   * @return The matchConfidence.
+   */
+  float getMatchConfidence();
+
+  /**
+   *
+   *
+   * 
+   * The collection of current parameters at the time of this response.
+   * 

+   *
+   * .google.protobuf.Struct parameters = 10;
+   *
+   * @return Whether the parameters field is set.
+   */
+  boolean hasParameters();
+
+  /**
+   *
+   *
+   * 
+   * The collection of current parameters at the time of this response.
+   * 

+   *
+   * .google.protobuf.Struct parameters = 10;
+   *
+   * @return The parameters.
+   */
+  com.google.protobuf.Struct getParameters();
+
+  /**
+   *
+   *
+   * 
+   * The collection of current parameters at the time of this response.
+   * 

+   *
+   * .google.protobuf.Struct parameters = 10;
+   */
+  com.google.protobuf.StructOrBuilder getParametersOrBuilder();
+
   /**
    *
    *
@@ -144,4 +315,17 @@ public interface AutomatedAgentReplyOrBuilder
    * @return The bytes for cxCurrentPage.
    */
   com.google.protobuf.ByteString getCxCurrentPageBytes();
+
+  /**
+   *
+   *
+   * 
+   * The auth code for accessing Call Companion UI.
+   * 

+   *
+   * bytes call_companion_auth_code = 12;
+   *
+   * @return The callCompanionAuthCode.
+   */
+  com.google.protobuf.ByteString getCallCompanionAuthCode();
 }
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/BidiStreamingAnalyzeContentRequest.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/BidiStreamingAnalyzeContentRequest.java
index b1b1450dfa26..4d750b1f11b1 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/BidiStreamingAnalyzeContentRequest.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/BidiStreamingAnalyzeContentRequest.java
@@ -497,6 +497,38 @@ public interface VoiceSessionConfigOrBuilder
        * @return The useGeminiAsr.
        */
       boolean getUseGeminiAsr();
+
+      /**
+       *
+       *
+       * 
+       * Optional. Disables emission of interim input transcriptions when set to
+       * `true`.
+       * 

+       *
+       * 
+       * optional bool disable_interim_input_transcripts = 26 [(.google.api.field_behavior) = OPTIONAL];
+       * 
+       *
+       * @return Whether the disableInterimInputTranscripts field is set.
+       */
+      boolean hasDisableInterimInputTranscripts();
+
+      /**
+       *
+       *
+       * 
+       * Optional. Disables emission of interim input transcriptions when set to
+       * `true`.
+       * 

+       *
+       * 
+       * optional bool disable_interim_input_transcripts = 26 [(.google.api.field_behavior) = OPTIONAL];
+       * 
+       *
+       * @return The disableInterimInputTranscripts.
+       */
+      boolean getDisableInterimInputTranscripts();
     }
 
     /**
@@ -824,6 +856,47 @@ public boolean getUseGeminiAsr() {
         return useGeminiAsr_;
       }
 
+      public static final int DISABLE_INTERIM_INPUT_TRANSCRIPTS_FIELD_NUMBER = 26;
+      private boolean disableInterimInputTranscripts_ = false;
+
+      /**
+       *
+       *
+       * 
+       * Optional. Disables emission of interim input transcriptions when set to
+       * `true`.
+       * 

+       *
+       * 
+       * optional bool disable_interim_input_transcripts = 26 [(.google.api.field_behavior) = OPTIONAL];
+       * 
+       *
+       * @return Whether the disableInterimInputTranscripts field is set.
+       */
+      @java.lang.Override
+      public boolean hasDisableInterimInputTranscripts() {
+        return ((bitField0_ & 0x00000004) != 0);
+      }
+
+      /**
+       *
+       *
+       * 
+       * Optional. Disables emission of interim input transcriptions when set to
+       * `true`.
+       * 

+       *
+       * 
+       * optional bool disable_interim_input_transcripts = 26 [(.google.api.field_behavior) = OPTIONAL];
+       * 
+       *
+       * @return The disableInterimInputTranscripts.
+       */
+      @java.lang.Override
+      public boolean getDisableInterimInputTranscripts() {
+        return disableInterimInputTranscripts_;
+      }
+
       private byte memoizedIsInitialized = -1;
 
       @java.lang.Override
@@ -866,6 +939,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
         if (((bitField0_ & 0x00000002) != 0)) {
           output.writeBool(25, useGeminiAsr_);
         }
+        if (((bitField0_ & 0x00000004) != 0)) {
+          output.writeBool(26, disableInterimInputTranscripts_);
+        }
         getUnknownFields().writeTo(output);
       }
 
@@ -910,6 +986,11 @@ public int getSerializedSize() {
         if (((bitField0_ & 0x00000002) != 0)) {
           size += com.google.protobuf.CodedOutputStream.computeBoolSize(25, useGeminiAsr_);
         }
+        if (((bitField0_ & 0x00000004) != 0)) {
+          size +=
+              com.google.protobuf.CodedOutputStream.computeBoolSize(
+                  26, disableInterimInputTranscripts_);
+        }
         size += getUnknownFields().getSerializedSize();
         memoizedSize = size;
         return size;
@@ -947,6 +1028,12 @@ public boolean equals(final java.lang.Object obj) {
         if (hasUseGeminiAsr()) {
           if (getUseGeminiAsr() != other.getUseGeminiAsr()) return false;
         }
+        if (hasDisableInterimInputTranscripts() != other.hasDisableInterimInputTranscripts())
+          return false;
+        if (hasDisableInterimInputTranscripts()) {
+          if (getDisableInterimInputTranscripts() != other.getDisableInterimInputTranscripts())
+            return false;
+        }
         if (!getUnknownFields().equals(other.getUnknownFields())) return false;
         return true;
       }
@@ -981,6 +1068,12 @@ public int hashCode() {
           hash = (37 * hash) + USE_GEMINI_ASR_FIELD_NUMBER;
           hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getUseGeminiAsr());
         }
+        if (hasDisableInterimInputTranscripts()) {
+          hash = (37 * hash) + DISABLE_INTERIM_INPUT_TRANSCRIPTS_FIELD_NUMBER;
+          hash =
+              (53 * hash)
+                  + com.google.protobuf.Internal.hashBoolean(getDisableInterimInputTranscripts());
+        }
         hash = (29 * hash) + getUnknownFields().hashCode();
         memoizedHashCode = hash;
         return hash;
@@ -1172,6 +1265,7 @@ public Builder clear() {
             geminiAsrConfigBuilder_ = null;
           }
           useGeminiAsr_ = false;
+          disableInterimInputTranscripts_ = false;
           return this;
         }
 
@@ -1253,6 +1347,10 @@ private void buildPartial0(
             result.useGeminiAsr_ = useGeminiAsr_;
             to_bitField0_ |= 0x00000002;
           }
+          if (((from_bitField0_ & 0x00000100) != 0)) {
+            result.disableInterimInputTranscripts_ = disableInterimInputTranscripts_;
+            to_bitField0_ |= 0x00000004;
+          }
           result.bitField0_ |= to_bitField0_;
         }
 
@@ -1303,6 +1401,9 @@ public Builder mergeFrom(
           if (other.hasUseGeminiAsr()) {
             setUseGeminiAsr(other.getUseGeminiAsr());
           }
+          if (other.hasDisableInterimInputTranscripts()) {
+            setDisableInterimInputTranscripts(other.getDisableInterimInputTranscripts());
+          }
           this.mergeUnknownFields(other.getUnknownFields());
           onChanged();
           return this;
@@ -1378,6 +1479,12 @@ public Builder mergeFrom(
                     bitField0_ |= 0x00000080;
                     break;
                   } // case 200
+                case 208:
+                  {
+                    disableInterimInputTranscripts_ = input.readBool();
+                    bitField0_ |= 0x00000100;
+                    break;
+                  } // case 208
                 default:
                   {
                     if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -2172,6 +2279,90 @@ public Builder clearUseGeminiAsr() {
           return this;
         }
 
+        private boolean disableInterimInputTranscripts_;
+
+        /**
+         *
+         *
+         * 
+         * Optional. Disables emission of interim input transcriptions when set to
+         * `true`.
+         * 

+         *
+         * 
+         * optional bool disable_interim_input_transcripts = 26 [(.google.api.field_behavior) = OPTIONAL];
+         * 
+         *
+         * @return Whether the disableInterimInputTranscripts field is set.
+         */
+        @java.lang.Override
+        public boolean hasDisableInterimInputTranscripts() {
+          return ((bitField0_ & 0x00000100) != 0);
+        }
+
+        /**
+         *
+         *
+         * 
+         * Optional. Disables emission of interim input transcriptions when set to
+         * `true`.
+         * 

+         *
+         * 
+         * optional bool disable_interim_input_transcripts = 26 [(.google.api.field_behavior) = OPTIONAL];
+         * 
+         *
+         * @return The disableInterimInputTranscripts.
+         */
+        @java.lang.Override
+        public boolean getDisableInterimInputTranscripts() {
+          return disableInterimInputTranscripts_;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Optional. Disables emission of interim input transcriptions when set to
+         * `true`.
+         * 

+         *
+         * 
+         * optional bool disable_interim_input_transcripts = 26 [(.google.api.field_behavior) = OPTIONAL];
+         * 
+         *
+         * @param value The disableInterimInputTranscripts to set.
+         * @return This builder for chaining.
+         */
+        public Builder setDisableInterimInputTranscripts(boolean value) {
+
+          disableInterimInputTranscripts_ = value;
+          bitField0_ |= 0x00000100;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Optional. Disables emission of interim input transcriptions when set to
+         * `true`.
+         * 

+         *
+         * 
+         * optional bool disable_interim_input_transcripts = 26 [(.google.api.field_behavior) = OPTIONAL];
+         * 
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearDisableInterimInputTranscripts() {
+          bitField0_ = (bitField0_ & ~0x00000100);
+          disableInterimInputTranscripts_ = false;
+          onChanged();
+          return this;
+        }
+
         // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.BidiStreamingAnalyzeContentRequest.Config.VoiceSessionConfig)
       }
 
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/HumanAgentAssistantConfig.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/HumanAgentAssistantConfig.java
index 7290988eb616..f4b90dd89a43 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/HumanAgentAssistantConfig.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/HumanAgentAssistantConfig.java
@@ -12188,9 +12188,10 @@ public enum SectionType implements com.google.protobuf.ProtocolMessageEnum {
          *
          *
          * 
-         * "Unsatisfied" or "Satisfied" depending on the customer's feelings at
-         * the end of the conversation.
-         * Section name: "customer_satisfaction".
+         * Customer satisfaction derived from the text transcript only (not
+         * audio). Categorized based on customer statements by the end of the
+         * conversation. `D` for dissatisfied and `N` for neutral or satisfied
+         * (default). Section name: `customer_satisfaction`.
          * 

          *
          * CUSTOMER_SATISFACTION = 5;
@@ -12286,9 +12287,10 @@ public enum SectionType implements com.google.protobuf.ProtocolMessageEnum {
          *
          *
          * 
-         * "Unsatisfied" or "Satisfied" depending on the customer's feelings at
-         * the end of the conversation.
-         * Section name: "customer_satisfaction".
+         * Customer satisfaction derived from the text transcript only (not
+         * audio). Categorized based on customer statements by the end of the
+         * conversation. `D` for dissatisfied and `N` for neutral or satisfied
+         * (default). Section name: `customer_satisfaction`.
          * 

          *
          * CUSTOMER_SATISFACTION = 5;
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/InputAudioConfig.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/InputAudioConfig.java
index 64764d517d0a..c91bae77e102 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/InputAudioConfig.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/InputAudioConfig.java
@@ -822,6 +822,47 @@ public boolean getUseGeminiAsr() {
     return useGeminiAsr_;
   }
 
+  public static final int DISABLE_INTERIM_INPUT_TRANSCRIPTS_FIELD_NUMBER = 32;
+  private boolean disableInterimInputTranscripts_ = false;
+
+  /**
+   *
+   *
+   * 
+   * Optional. Disables emission of interim input transcriptions when set to
+   * `true`.
+   * 

+   *
+   * 
+   * optional bool disable_interim_input_transcripts = 32 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   *
+   * @return Whether the disableInterimInputTranscripts field is set.
+   */
+  @java.lang.Override
+  public boolean hasDisableInterimInputTranscripts() {
+    return ((bitField0_ & 0x00000004) != 0);
+  }
+
+  /**
+   *
+   *
+   * 
+   * Optional. Disables emission of interim input transcriptions when set to
+   * `true`.
+   * 

+   *
+   * 
+   * optional bool disable_interim_input_transcripts = 32 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   *
+   * @return The disableInterimInputTranscripts.
+   */
+  @java.lang.Override
+  public boolean getDisableInterimInputTranscripts() {
+    return disableInterimInputTranscripts_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -887,6 +928,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000002) != 0)) {
       output.writeBool(31, useGeminiAsr_);
     }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      output.writeBool(32, disableInterimInputTranscripts_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -961,6 +1005,11 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000002) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(31, useGeminiAsr_);
     }
+    if (((bitField0_ & 0x00000004) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeBoolSize(
+              32, disableInterimInputTranscripts_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -1001,6 +1050,12 @@ public boolean equals(final java.lang.Object obj) {
     if (hasUseGeminiAsr()) {
       if (getUseGeminiAsr() != other.getUseGeminiAsr()) return false;
     }
+    if (hasDisableInterimInputTranscripts() != other.hasDisableInterimInputTranscripts())
+      return false;
+    if (hasDisableInterimInputTranscripts()) {
+      if (getDisableInterimInputTranscripts() != other.getDisableInterimInputTranscripts())
+        return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -1056,6 +1111,12 @@ public int hashCode() {
       hash = (37 * hash) + USE_GEMINI_ASR_FIELD_NUMBER;
       hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getUseGeminiAsr());
     }
+    if (hasDisableInterimInputTranscripts()) {
+      hash = (37 * hash) + DISABLE_INTERIM_INPUT_TRANSCRIPTS_FIELD_NUMBER;
+      hash =
+          (53 * hash)
+              + com.google.protobuf.Internal.hashBoolean(getDisableInterimInputTranscripts());
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -1232,6 +1293,7 @@ public Builder clear() {
         geminiAsrConfigBuilder_ = null;
       }
       useGeminiAsr_ = false;
+      disableInterimInputTranscripts_ = false;
       return this;
     }
 
@@ -1333,6 +1395,10 @@ private void buildPartial0(com.google.cloud.dialogflow.v2.InputAudioConfig resul
         result.useGeminiAsr_ = useGeminiAsr_;
         to_bitField0_ |= 0x00000002;
       }
+      if (((from_bitField0_ & 0x00010000) != 0)) {
+        result.disableInterimInputTranscripts_ = disableInterimInputTranscripts_;
+        to_bitField0_ |= 0x00000004;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -1439,6 +1505,9 @@ public Builder mergeFrom(com.google.cloud.dialogflow.v2.InputAudioConfig other)
       if (other.hasUseGeminiAsr()) {
         setUseGeminiAsr(other.getUseGeminiAsr());
       }
+      if (other.hasDisableInterimInputTranscripts()) {
+        setDisableInterimInputTranscripts(other.getDisableInterimInputTranscripts());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -1571,6 +1640,12 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00008000;
                 break;
               } // case 248
+            case 256:
+              {
+                disableInterimInputTranscripts_ = input.readBool();
+                bitField0_ |= 0x00010000;
+                break;
+              } // case 256
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -3765,6 +3840,90 @@ public Builder clearUseGeminiAsr() {
       return this;
     }
 
+    private boolean disableInterimInputTranscripts_;
+
+    /**
+     *
+     *
+     * 
+     * Optional. Disables emission of interim input transcriptions when set to
+     * `true`.
+     * 

+     *
+     * 
+     * optional bool disable_interim_input_transcripts = 32 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     *
+     * @return Whether the disableInterimInputTranscripts field is set.
+     */
+    @java.lang.Override
+    public boolean hasDisableInterimInputTranscripts() {
+      return ((bitField0_ & 0x00010000) != 0);
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Disables emission of interim input transcriptions when set to
+     * `true`.
+     * 

+     *
+     * 
+     * optional bool disable_interim_input_transcripts = 32 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     *
+     * @return The disableInterimInputTranscripts.
+     */
+    @java.lang.Override
+    public boolean getDisableInterimInputTranscripts() {
+      return disableInterimInputTranscripts_;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Disables emission of interim input transcriptions when set to
+     * `true`.
+     * 

+     *
+     * 
+     * optional bool disable_interim_input_transcripts = 32 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     *
+     * @param value The disableInterimInputTranscripts to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisableInterimInputTranscripts(boolean value) {
+
+      disableInterimInputTranscripts_ = value;
+      bitField0_ |= 0x00010000;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Disables emission of interim input transcriptions when set to
+     * `true`.
+     * 

+     *
+     * 
+     * optional bool disable_interim_input_transcripts = 32 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisableInterimInputTranscripts() {
+      bitField0_ = (bitField0_ & ~0x00010000);
+      disableInterimInputTranscripts_ = false;
+      onChanged();
+      return this;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.InputAudioConfig)
   }
 
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/InputAudioConfigOrBuilder.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/InputAudioConfigOrBuilder.java
index 2f9801fc33ec..463f016e8344 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/InputAudioConfigOrBuilder.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/InputAudioConfigOrBuilder.java
@@ -578,4 +578,36 @@ public interface InputAudioConfigOrBuilder
    * @return The useGeminiAsr.
    */
   boolean getUseGeminiAsr();
+
+  /**
+   *
+   *
+   * 
+   * Optional. Disables emission of interim input transcriptions when set to
+   * `true`.
+   * 

+   *
+   * 
+   * optional bool disable_interim_input_transcripts = 32 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   *
+   * @return Whether the disableInterimInputTranscripts field is set.
+   */
+  boolean hasDisableInterimInputTranscripts();
+
+  /**
+   *
+   *
+   * 
+   * Optional. Disables emission of interim input transcriptions when set to
+   * `true`.
+   * 

+   *
+   * 
+   * optional bool disable_interim_input_transcripts = 32 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   *
+   * @return The disableInterimInputTranscripts.
+   */
+  boolean getDisableInterimInputTranscripts();
 }
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/Message.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/Message.java
index ce51e7994a21..09531552ce15 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/Message.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/Message.java
@@ -54,6 +54,7 @@ private Message(com.google.protobuf.GeneratedMessage.Builder builder) {
   private Message() {
     name_ = "";
     content_ = "";
+    responseMessages_ = java.util.Collections.emptyList();
     languageCode_ = "";
     participant_ = "";
     participantRole_ = 0;
@@ -187,6 +188,93 @@ public com.google.protobuf.ByteString getContentBytes() {
     }
   }
 
+  public static final int RESPONSE_MESSAGES_FIELD_NUMBER = 11;
+
+  @SuppressWarnings("serial")
+  private java.util.List responseMessages_;
+
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  @java.lang.Override
+  public java.util.List getResponseMessagesList() {
+    return responseMessages_;
+  }
+
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  @java.lang.Override
+  public java.util.List
+      getResponseMessagesOrBuilderList() {
+    return responseMessages_;
+  }
+
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  @java.lang.Override
+  public int getResponseMessagesCount() {
+    return responseMessages_.size();
+  }
+
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage getResponseMessages(int index) {
+    return responseMessages_.get(index);
+  }
+
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder getResponseMessagesOrBuilder(
+      int index) {
+    return responseMessages_.get(index);
+  }
+
   public static final int LANGUAGE_CODE_FIELD_NUMBER = 3;
 
   @SuppressWarnings("serial")
@@ -606,6 +694,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000002) != 0)) {
       output.writeMessage(9, getSendTime());
     }
+    for (int i = 0; i < responseMessages_.size(); i++) {
+      output.writeMessage(11, responseMessages_.get(i));
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -643,6 +734,10 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000002) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(9, getSendTime());
     }
+    for (int i = 0; i < responseMessages_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(11, responseMessages_.get(i));
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -660,6 +755,7 @@ public boolean equals(final java.lang.Object obj) {
 
     if (!getName().equals(other.getName())) return false;
     if (!getContent().equals(other.getContent())) return false;
+    if (!getResponseMessagesList().equals(other.getResponseMessagesList())) return false;
     if (!getLanguageCode().equals(other.getLanguageCode())) return false;
     if (!getParticipant().equals(other.getParticipant())) return false;
     if (participantRole_ != other.participantRole_) return false;
@@ -694,6 +790,10 @@ public int hashCode() {
     hash = (53 * hash) + getName().hashCode();
     hash = (37 * hash) + CONTENT_FIELD_NUMBER;
     hash = (53 * hash) + getContent().hashCode();
+    if (getResponseMessagesCount() > 0) {
+      hash = (37 * hash) + RESPONSE_MESSAGES_FIELD_NUMBER;
+      hash = (53 * hash) + getResponseMessagesList().hashCode();
+    }
     hash = (37 * hash) + LANGUAGE_CODE_FIELD_NUMBER;
     hash = (53 * hash) + getLanguageCode().hashCode();
     hash = (37 * hash) + PARTICIPANT_FIELD_NUMBER;
@@ -857,6 +957,7 @@ private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
 
     private void maybeForceBuilderInitialization() {
       if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        internalGetResponseMessagesFieldBuilder();
         internalGetCreateTimeFieldBuilder();
         internalGetSendTimeFieldBuilder();
         internalGetMessageAnnotationFieldBuilder();
@@ -870,6 +971,13 @@ public Builder clear() {
       bitField0_ = 0;
       name_ = "";
       content_ = "";
+      if (responseMessagesBuilder_ == null) {
+        responseMessages_ = java.util.Collections.emptyList();
+      } else {
+        responseMessages_ = null;
+        responseMessagesBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00000004);
       languageCode_ = "";
       participant_ = "";
       participantRole_ = 0;
@@ -920,6 +1028,7 @@ public com.google.cloud.dialogflow.v2.Message build() {
     public com.google.cloud.dialogflow.v2.Message buildPartial() {
       com.google.cloud.dialogflow.v2.Message result =
           new com.google.cloud.dialogflow.v2.Message(this);
+      buildPartialRepeatedFields(result);
       if (bitField0_ != 0) {
         buildPartial0(result);
       }
@@ -927,6 +1036,18 @@ public com.google.cloud.dialogflow.v2.Message buildPartial() {
       return result;
     }
 
+    private void buildPartialRepeatedFields(com.google.cloud.dialogflow.v2.Message result) {
+      if (responseMessagesBuilder_ == null) {
+        if (((bitField0_ & 0x00000004) != 0)) {
+          responseMessages_ = java.util.Collections.unmodifiableList(responseMessages_);
+          bitField0_ = (bitField0_ & ~0x00000004);
+        }
+        result.responseMessages_ = responseMessages_;
+      } else {
+        result.responseMessages_ = responseMessagesBuilder_.build();
+      }
+    }
+
     private void buildPartial0(com.google.cloud.dialogflow.v2.Message result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000001) != 0)) {
@@ -935,32 +1056,32 @@ private void buildPartial0(com.google.cloud.dialogflow.v2.Message result) {
       if (((from_bitField0_ & 0x00000002) != 0)) {
         result.content_ = content_;
       }
-      if (((from_bitField0_ & 0x00000004) != 0)) {
+      if (((from_bitField0_ & 0x00000008) != 0)) {
         result.languageCode_ = languageCode_;
       }
-      if (((from_bitField0_ & 0x00000008) != 0)) {
+      if (((from_bitField0_ & 0x00000010) != 0)) {
         result.participant_ = participant_;
       }
-      if (((from_bitField0_ & 0x00000010) != 0)) {
+      if (((from_bitField0_ & 0x00000020) != 0)) {
         result.participantRole_ = participantRole_;
       }
       int to_bitField0_ = 0;
-      if (((from_bitField0_ & 0x00000020) != 0)) {
+      if (((from_bitField0_ & 0x00000040) != 0)) {
         result.createTime_ = createTimeBuilder_ == null ? createTime_ : createTimeBuilder_.build();
         to_bitField0_ |= 0x00000001;
       }
-      if (((from_bitField0_ & 0x00000040) != 0)) {
+      if (((from_bitField0_ & 0x00000080) != 0)) {
         result.sendTime_ = sendTimeBuilder_ == null ? sendTime_ : sendTimeBuilder_.build();
         to_bitField0_ |= 0x00000002;
       }
-      if (((from_bitField0_ & 0x00000080) != 0)) {
+      if (((from_bitField0_ & 0x00000100) != 0)) {
         result.messageAnnotation_ =
             messageAnnotationBuilder_ == null
                 ? messageAnnotation_
                 : messageAnnotationBuilder_.build();
         to_bitField0_ |= 0x00000004;
       }
-      if (((from_bitField0_ & 0x00000100) != 0)) {
+      if (((from_bitField0_ & 0x00000200) != 0)) {
         result.sentimentAnalysis_ =
             sentimentAnalysisBuilder_ == null
                 ? sentimentAnalysis_
@@ -992,14 +1113,41 @@ public Builder mergeFrom(com.google.cloud.dialogflow.v2.Message other) {
         bitField0_ |= 0x00000002;
         onChanged();
       }
+      if (responseMessagesBuilder_ == null) {
+        if (!other.responseMessages_.isEmpty()) {
+          if (responseMessages_.isEmpty()) {
+            responseMessages_ = other.responseMessages_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+          } else {
+            ensureResponseMessagesIsMutable();
+            responseMessages_.addAll(other.responseMessages_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.responseMessages_.isEmpty()) {
+          if (responseMessagesBuilder_.isEmpty()) {
+            responseMessagesBuilder_.dispose();
+            responseMessagesBuilder_ = null;
+            responseMessages_ = other.responseMessages_;
+            bitField0_ = (bitField0_ & ~0x00000004);
+            responseMessagesBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetResponseMessagesFieldBuilder()
+                    : null;
+          } else {
+            responseMessagesBuilder_.addAllMessages(other.responseMessages_);
+          }
+        }
+      }
       if (!other.getLanguageCode().isEmpty()) {
         languageCode_ = other.languageCode_;
-        bitField0_ |= 0x00000004;
+        bitField0_ |= 0x00000008;
         onChanged();
       }
       if (!other.getParticipant().isEmpty()) {
         participant_ = other.participant_;
-        bitField0_ |= 0x00000008;
+        bitField0_ |= 0x00000010;
         onChanged();
       }
       if (other.participantRole_ != 0) {
@@ -1058,49 +1206,62 @@ public Builder mergeFrom(
             case 26:
               {
                 languageCode_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
+                bitField0_ |= 0x00000008;
                 break;
               } // case 26
             case 34:
               {
                 participant_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000008;
+                bitField0_ |= 0x00000010;
                 break;
               } // case 34
             case 40:
               {
                 participantRole_ = input.readEnum();
-                bitField0_ |= 0x00000010;
+                bitField0_ |= 0x00000020;
                 break;
               } // case 40
             case 50:
               {
                 input.readMessage(
                     internalGetCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000020;
+                bitField0_ |= 0x00000040;
                 break;
               } // case 50
             case 58:
               {
                 input.readMessage(
                     internalGetMessageAnnotationFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000080;
+                bitField0_ |= 0x00000100;
                 break;
               } // case 58
             case 66:
               {
                 input.readMessage(
                     internalGetSentimentAnalysisFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000100;
+                bitField0_ |= 0x00000200;
                 break;
               } // case 66
             case 74:
               {
                 input.readMessage(
                     internalGetSendTimeFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000040;
+                bitField0_ |= 0x00000080;
                 break;
               } // case 74
+            case 90:
+              {
+                com.google.cloud.dialogflow.v2.ResponseMessage m =
+                    input.readMessage(
+                        com.google.cloud.dialogflow.v2.ResponseMessage.parser(), extensionRegistry);
+                if (responseMessagesBuilder_ == null) {
+                  ensureResponseMessagesIsMutable();
+                  responseMessages_.add(m);
+                } else {
+                  responseMessagesBuilder_.addMessage(m);
+                }
+                break;
+              } // case 90
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -1357,6 +1518,420 @@ public Builder setContentBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    private java.util.List responseMessages_ =
+        java.util.Collections.emptyList();
+
+    private void ensureResponseMessagesIsMutable() {
+      if (!((bitField0_ & 0x00000004) != 0)) {
+        responseMessages_ =
+            new java.util.ArrayList(
+                responseMessages_);
+        bitField0_ |= 0x00000004;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage,
+            com.google.cloud.dialogflow.v2.ResponseMessage.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder>
+        responseMessagesBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public java.util.List
+        getResponseMessagesList() {
+      if (responseMessagesBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(responseMessages_);
+      } else {
+        return responseMessagesBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public int getResponseMessagesCount() {
+      if (responseMessagesBuilder_ == null) {
+        return responseMessages_.size();
+      } else {
+        return responseMessagesBuilder_.getCount();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessage getResponseMessages(int index) {
+      if (responseMessagesBuilder_ == null) {
+        return responseMessages_.get(index);
+      } else {
+        return responseMessagesBuilder_.getMessage(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public Builder setResponseMessages(
+        int index, com.google.cloud.dialogflow.v2.ResponseMessage value) {
+      if (responseMessagesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureResponseMessagesIsMutable();
+        responseMessages_.set(index, value);
+        onChanged();
+      } else {
+        responseMessagesBuilder_.setMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public Builder setResponseMessages(
+        int index, com.google.cloud.dialogflow.v2.ResponseMessage.Builder builderForValue) {
+      if (responseMessagesBuilder_ == null) {
+        ensureResponseMessagesIsMutable();
+        responseMessages_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        responseMessagesBuilder_.setMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public Builder addResponseMessages(com.google.cloud.dialogflow.v2.ResponseMessage value) {
+      if (responseMessagesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureResponseMessagesIsMutable();
+        responseMessages_.add(value);
+        onChanged();
+      } else {
+        responseMessagesBuilder_.addMessage(value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public Builder addResponseMessages(
+        int index, com.google.cloud.dialogflow.v2.ResponseMessage value) {
+      if (responseMessagesBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureResponseMessagesIsMutable();
+        responseMessages_.add(index, value);
+        onChanged();
+      } else {
+        responseMessagesBuilder_.addMessage(index, value);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public Builder addResponseMessages(
+        com.google.cloud.dialogflow.v2.ResponseMessage.Builder builderForValue) {
+      if (responseMessagesBuilder_ == null) {
+        ensureResponseMessagesIsMutable();
+        responseMessages_.add(builderForValue.build());
+        onChanged();
+      } else {
+        responseMessagesBuilder_.addMessage(builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public Builder addResponseMessages(
+        int index, com.google.cloud.dialogflow.v2.ResponseMessage.Builder builderForValue) {
+      if (responseMessagesBuilder_ == null) {
+        ensureResponseMessagesIsMutable();
+        responseMessages_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        responseMessagesBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public Builder addAllResponseMessages(
+        java.lang.Iterable values) {
+      if (responseMessagesBuilder_ == null) {
+        ensureResponseMessagesIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, responseMessages_);
+        onChanged();
+      } else {
+        responseMessagesBuilder_.addAllMessages(values);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public Builder clearResponseMessages() {
+      if (responseMessagesBuilder_ == null) {
+        responseMessages_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);
+        onChanged();
+      } else {
+        responseMessagesBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public Builder removeResponseMessages(int index) {
+      if (responseMessagesBuilder_ == null) {
+        ensureResponseMessagesIsMutable();
+        responseMessages_.remove(index);
+        onChanged();
+      } else {
+        responseMessagesBuilder_.remove(index);
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessage.Builder getResponseMessagesBuilder(
+        int index) {
+      return internalGetResponseMessagesFieldBuilder().getBuilder(index);
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder getResponseMessagesOrBuilder(
+        int index) {
+      if (responseMessagesBuilder_ == null) {
+        return responseMessages_.get(index);
+      } else {
+        return responseMessagesBuilder_.getMessageOrBuilder(index);
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public java.util.List
+        getResponseMessagesOrBuilderList() {
+      if (responseMessagesBuilder_ != null) {
+        return responseMessagesBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(responseMessages_);
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessage.Builder addResponseMessagesBuilder() {
+      return internalGetResponseMessagesFieldBuilder()
+          .addBuilder(com.google.cloud.dialogflow.v2.ResponseMessage.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessage.Builder addResponseMessagesBuilder(
+        int index) {
+      return internalGetResponseMessagesFieldBuilder()
+          .addBuilder(index, com.google.cloud.dialogflow.v2.ResponseMessage.getDefaultInstance());
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Automated agent responses.
+     * 

+     *
+     * 
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     */
+    public java.util.List
+        getResponseMessagesBuilderList() {
+      return internalGetResponseMessagesFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage,
+            com.google.cloud.dialogflow.v2.ResponseMessage.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder>
+        internalGetResponseMessagesFieldBuilder() {
+      if (responseMessagesBuilder_ == null) {
+        responseMessagesBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.cloud.dialogflow.v2.ResponseMessage,
+                com.google.cloud.dialogflow.v2.ResponseMessage.Builder,
+                com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder>(
+                responseMessages_,
+                ((bitField0_ & 0x00000004) != 0),
+                getParentForChildren(),
+                isClean());
+        responseMessages_ = null;
+      }
+      return responseMessagesBuilder_;
+    }
+
     private java.lang.Object languageCode_ = "";
 
     /**
@@ -1428,7 +2003,7 @@ public Builder setLanguageCode(java.lang.String value) {
         throw new NullPointerException();
       }
       languageCode_ = value;
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
@@ -1448,7 +2023,7 @@ public Builder setLanguageCode(java.lang.String value) {
      */
     public Builder clearLanguageCode() {
       languageCode_ = getDefaultInstance().getLanguageCode();
-      bitField0_ = (bitField0_ & ~0x00000004);
+      bitField0_ = (bitField0_ & ~0x00000008);
       onChanged();
       return this;
     }
@@ -1473,7 +2048,7 @@ public Builder setLanguageCodeBytes(com.google.protobuf.ByteString value) {
       }
       checkByteStringIsUtf8(value);
       languageCode_ = value;
-      bitField0_ |= 0x00000004;
+      bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
@@ -1543,7 +2118,7 @@ public Builder setParticipant(java.lang.String value) {
         throw new NullPointerException();
       }
       participant_ = value;
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
@@ -1561,7 +2136,7 @@ public Builder setParticipant(java.lang.String value) {
      */
     public Builder clearParticipant() {
       participant_ = getDefaultInstance().getParticipant();
-      bitField0_ = (bitField0_ & ~0x00000008);
+      bitField0_ = (bitField0_ & ~0x00000010);
       onChanged();
       return this;
     }
@@ -1584,7 +2159,7 @@ public Builder setParticipantBytes(com.google.protobuf.ByteString value) {
       }
       checkByteStringIsUtf8(value);
       participant_ = value;
-      bitField0_ |= 0x00000008;
+      bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
@@ -1625,7 +2200,7 @@ public int getParticipantRoleValue() {
      */
     public Builder setParticipantRoleValue(int value) {
       participantRole_ = value;
-      bitField0_ |= 0x00000010;
+      bitField0_ |= 0x00000020;
       onChanged();
       return this;
     }
@@ -1668,7 +2243,7 @@ public Builder setParticipantRole(com.google.cloud.dialogflow.v2.Participant.Rol
       if (value == null) {
         throw new NullPointerException();
       }
-      bitField0_ |= 0x00000010;
+      bitField0_ |= 0x00000020;
       participantRole_ = value.getNumber();
       onChanged();
       return this;
@@ -1688,7 +2263,7 @@ public Builder setParticipantRole(com.google.cloud.dialogflow.v2.Participant.Rol
      * @return This builder for chaining.
      */
     public Builder clearParticipantRole() {
-      bitField0_ = (bitField0_ & ~0x00000010);
+      bitField0_ = (bitField0_ & ~0x00000020);
       participantRole_ = 0;
       onChanged();
       return this;
@@ -1715,7 +2290,7 @@ public Builder clearParticipantRole() {
      * @return Whether the createTime field is set.
      */
     public boolean hasCreateTime() {
-      return ((bitField0_ & 0x00000020) != 0);
+      return ((bitField0_ & 0x00000040) != 0);
     }
 
     /**
@@ -1761,7 +2336,7 @@ public Builder setCreateTime(com.google.protobuf.Timestamp value) {
       } else {
         createTimeBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000020;
+      bitField0_ |= 0x00000040;
       onChanged();
       return this;
     }
@@ -1783,7 +2358,7 @@ public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForVal
       } else {
         createTimeBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000020;
+      bitField0_ |= 0x00000040;
       onChanged();
       return this;
     }
@@ -1801,7 +2376,7 @@ public Builder setCreateTime(com.google.protobuf.Timestamp.Builder builderForVal
      */
     public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
       if (createTimeBuilder_ == null) {
-        if (((bitField0_ & 0x00000020) != 0)
+        if (((bitField0_ & 0x00000040) != 0)
             && createTime_ != null
             && createTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
           getCreateTimeBuilder().mergeFrom(value);
@@ -1812,7 +2387,7 @@ public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
         createTimeBuilder_.mergeFrom(value);
       }
       if (createTime_ != null) {
-        bitField0_ |= 0x00000020;
+        bitField0_ |= 0x00000040;
         onChanged();
       }
       return this;
@@ -1830,7 +2405,7 @@ public Builder mergeCreateTime(com.google.protobuf.Timestamp value) {
      * 
      */
     public Builder clearCreateTime() {
-      bitField0_ = (bitField0_ & ~0x00000020);
+      bitField0_ = (bitField0_ & ~0x00000040);
       createTime_ = null;
       if (createTimeBuilder_ != null) {
         createTimeBuilder_.dispose();
@@ -1852,7 +2427,7 @@ public Builder clearCreateTime() {
      * 
      */
     public com.google.protobuf.Timestamp.Builder getCreateTimeBuilder() {
-      bitField0_ |= 0x00000020;
+      bitField0_ |= 0x00000040;
       onChanged();
       return internalGetCreateTimeFieldBuilder().getBuilder();
     }
@@ -1927,7 +2502,7 @@ public com.google.protobuf.TimestampOrBuilder getCreateTimeOrBuilder() {
      * @return Whether the sendTime field is set.
      */
     public boolean hasSendTime() {
-      return ((bitField0_ & 0x00000040) != 0);
+      return ((bitField0_ & 0x00000080) != 0);
     }
 
     /**
@@ -1971,7 +2546,7 @@ public Builder setSendTime(com.google.protobuf.Timestamp value) {
       } else {
         sendTimeBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000040;
+      bitField0_ |= 0x00000080;
       onChanged();
       return this;
     }
@@ -1993,7 +2568,7 @@ public Builder setSendTime(com.google.protobuf.Timestamp.Builder builderForValue
       } else {
         sendTimeBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000040;
+      bitField0_ |= 0x00000080;
       onChanged();
       return this;
     }
@@ -2011,7 +2586,7 @@ public Builder setSendTime(com.google.protobuf.Timestamp.Builder builderForValue
      */
     public Builder mergeSendTime(com.google.protobuf.Timestamp value) {
       if (sendTimeBuilder_ == null) {
-        if (((bitField0_ & 0x00000040) != 0)
+        if (((bitField0_ & 0x00000080) != 0)
             && sendTime_ != null
             && sendTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
           getSendTimeBuilder().mergeFrom(value);
@@ -2022,7 +2597,7 @@ public Builder mergeSendTime(com.google.protobuf.Timestamp value) {
         sendTimeBuilder_.mergeFrom(value);
       }
       if (sendTime_ != null) {
-        bitField0_ |= 0x00000040;
+        bitField0_ |= 0x00000080;
         onChanged();
       }
       return this;
@@ -2040,7 +2615,7 @@ public Builder mergeSendTime(com.google.protobuf.Timestamp value) {
      * 
      */
     public Builder clearSendTime() {
-      bitField0_ = (bitField0_ & ~0x00000040);
+      bitField0_ = (bitField0_ & ~0x00000080);
       sendTime_ = null;
       if (sendTimeBuilder_ != null) {
         sendTimeBuilder_.dispose();
@@ -2062,7 +2637,7 @@ public Builder clearSendTime() {
      * 
      */
     public com.google.protobuf.Timestamp.Builder getSendTimeBuilder() {
-      bitField0_ |= 0x00000040;
+      bitField0_ |= 0x00000080;
       onChanged();
       return internalGetSendTimeFieldBuilder().getBuilder();
     }
@@ -2135,7 +2710,7 @@ public com.google.protobuf.TimestampOrBuilder getSendTimeOrBuilder() {
      * @return Whether the messageAnnotation field is set.
      */
     public boolean hasMessageAnnotation() {
-      return ((bitField0_ & 0x00000080) != 0);
+      return ((bitField0_ & 0x00000100) != 0);
     }
 
     /**
@@ -2181,7 +2756,7 @@ public Builder setMessageAnnotation(com.google.cloud.dialogflow.v2.MessageAnnota
       } else {
         messageAnnotationBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000080;
+      bitField0_ |= 0x00000100;
       onChanged();
       return this;
     }
@@ -2204,7 +2779,7 @@ public Builder setMessageAnnotation(
       } else {
         messageAnnotationBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000080;
+      bitField0_ |= 0x00000100;
       onChanged();
       return this;
     }
@@ -2222,7 +2797,7 @@ public Builder setMessageAnnotation(
      */
     public Builder mergeMessageAnnotation(com.google.cloud.dialogflow.v2.MessageAnnotation value) {
       if (messageAnnotationBuilder_ == null) {
-        if (((bitField0_ & 0x00000080) != 0)
+        if (((bitField0_ & 0x00000100) != 0)
             && messageAnnotation_ != null
             && messageAnnotation_
                 != com.google.cloud.dialogflow.v2.MessageAnnotation.getDefaultInstance()) {
@@ -2234,7 +2809,7 @@ public Builder mergeMessageAnnotation(com.google.cloud.dialogflow.v2.MessageAnno
         messageAnnotationBuilder_.mergeFrom(value);
       }
       if (messageAnnotation_ != null) {
-        bitField0_ |= 0x00000080;
+        bitField0_ |= 0x00000100;
         onChanged();
       }
       return this;
@@ -2252,7 +2827,7 @@ public Builder mergeMessageAnnotation(com.google.cloud.dialogflow.v2.MessageAnno
      * 
      */
     public Builder clearMessageAnnotation() {
-      bitField0_ = (bitField0_ & ~0x00000080);
+      bitField0_ = (bitField0_ & ~0x00000100);
       messageAnnotation_ = null;
       if (messageAnnotationBuilder_ != null) {
         messageAnnotationBuilder_.dispose();
@@ -2274,7 +2849,7 @@ public Builder clearMessageAnnotation() {
      * 
      */
     public com.google.cloud.dialogflow.v2.MessageAnnotation.Builder getMessageAnnotationBuilder() {
-      bitField0_ |= 0x00000080;
+      bitField0_ |= 0x00000100;
       onChanged();
       return internalGetMessageAnnotationFieldBuilder().getBuilder();
     }
@@ -2350,7 +2925,7 @@ public com.google.cloud.dialogflow.v2.MessageAnnotation.Builder getMessageAnnota
      * @return Whether the sentimentAnalysis field is set.
      */
     public boolean hasSentimentAnalysis() {
-      return ((bitField0_ & 0x00000100) != 0);
+      return ((bitField0_ & 0x00000200) != 0);
     }
 
     /**
@@ -2397,7 +2972,7 @@ public Builder setSentimentAnalysis(
       } else {
         sentimentAnalysisBuilder_.setMessage(value);
       }
-      bitField0_ |= 0x00000100;
+      bitField0_ |= 0x00000200;
       onChanged();
       return this;
     }
@@ -2420,7 +2995,7 @@ public Builder setSentimentAnalysis(
       } else {
         sentimentAnalysisBuilder_.setMessage(builderForValue.build());
       }
-      bitField0_ |= 0x00000100;
+      bitField0_ |= 0x00000200;
       onChanged();
       return this;
     }
@@ -2439,7 +3014,7 @@ public Builder setSentimentAnalysis(
     public Builder mergeSentimentAnalysis(
         com.google.cloud.dialogflow.v2.SentimentAnalysisResult value) {
       if (sentimentAnalysisBuilder_ == null) {
-        if (((bitField0_ & 0x00000100) != 0)
+        if (((bitField0_ & 0x00000200) != 0)
             && sentimentAnalysis_ != null
             && sentimentAnalysis_
                 != com.google.cloud.dialogflow.v2.SentimentAnalysisResult.getDefaultInstance()) {
@@ -2451,7 +3026,7 @@ public Builder mergeSentimentAnalysis(
         sentimentAnalysisBuilder_.mergeFrom(value);
       }
       if (sentimentAnalysis_ != null) {
-        bitField0_ |= 0x00000100;
+        bitField0_ |= 0x00000200;
         onChanged();
       }
       return this;
@@ -2469,7 +3044,7 @@ public Builder mergeSentimentAnalysis(
      * 
      */
     public Builder clearSentimentAnalysis() {
-      bitField0_ = (bitField0_ & ~0x00000100);
+      bitField0_ = (bitField0_ & ~0x00000200);
       sentimentAnalysis_ = null;
       if (sentimentAnalysisBuilder_ != null) {
         sentimentAnalysisBuilder_.dispose();
@@ -2492,7 +3067,7 @@ public Builder clearSentimentAnalysis() {
      */
     public com.google.cloud.dialogflow.v2.SentimentAnalysisResult.Builder
         getSentimentAnalysisBuilder() {
-      bitField0_ |= 0x00000100;
+      bitField0_ |= 0x00000200;
       onChanged();
       return internalGetSentimentAnalysisFieldBuilder().getBuilder();
     }
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/MessageOrBuilder.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/MessageOrBuilder.java
index ffa5d4c8def8..3ef5f72261e7 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/MessageOrBuilder.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/MessageOrBuilder.java
@@ -84,6 +84,72 @@ public interface MessageOrBuilder
    */
   com.google.protobuf.ByteString getContentBytes();
 
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  java.util.List getResponseMessagesList();
+
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage getResponseMessages(int index);
+
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  int getResponseMessagesCount();
+
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  java.util.List
+      getResponseMessagesOrBuilderList();
+
+  /**
+   *
+   *
+   * 
+   * Optional. Automated agent responses.
+   * 

+   *
+   * 
+   * repeated .google.cloud.dialogflow.v2.ResponseMessage response_messages = 11 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder getResponseMessagesOrBuilder(int index);
+
   /**
    *
    *
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ParticipantProto.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ParticipantProto.java
index d34f4d4d677f..428dcf61ba9b 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ParticipantProto.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ParticipantProto.java
@@ -216,6 +216,34 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_cloud_dialogflow_v2_AssistQueryParameters_DocumentsMetadataFiltersEntry_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_cloud_dialogflow_v2_AssistQueryParameters_DocumentsMetadataFiltersEntry_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_cloud_dialogflow_v2_SuggestKnowledgeAssistRequest_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -384,10 +412,12 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\005OTHER\020\010:\330\001\352A\324\001\n"
           + "%dialogflow.googleapis.com/Participant\022Jprojects/{projec"
           + "t}/conversations/{conversation}/participants/{participant}\022_projects/{project}/l"
-          + "ocations/{location}/conversations/{conversation}/participants/{participant}\"\225\005\n"
+          + "ocations/{location}/conversations/{conversation}/participants/{participant}\"\343\005\n"
           + "\007Message\022\022\n"
           + "\004name\030\001 \001(\tB\004\342A\001\001\022\025\n"
-          + "\007content\030\002 \001(\tB\004\342A\001\001\022\033\n\r"
+          + "\007content\030\002 \001(\tB\004\342A\001\001\022L\n"
+          + "\021response_messages\030\013 \003(\0132+."
+          + "google.cloud.dialogflow.v2.ResponseMessageB\004\342A\001\001\022\033\n\r"
           + "language_code\030\003 \001(\tB\004\342A\001\001\022\031\n"
           + "\013participant\030\004 \001(\tB\004\342A\001\003\022L\n"
           + "\020participant_role\030\005"
@@ -395,13 +425,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013create_time\030\006"
           + " \001(\0132\032.google.protobuf.TimestampB\004\342A\001\003\0223\n"
           + "\tsend_time\030\t \001(\0132\032.google.protobuf.TimestampB\004\342A\001\001\022O\n"
-          + "\022message_annotation\030\007 \001(\013"
-          + "2-.google.cloud.dialogflow.v2.MessageAnnotationB\004\342A\001\003\022U\n"
-          + "\022sentiment_analysis\030\010 \001("
-          + "\01323.google.cloud.dialogflow.v2.SentimentAnalysisResultB\004\342A\001\003:\304\001\352A\300\001\n"
-          + "!dialogflow.googleapis.com/Message\022Bprojects/{projec"
-          + "t}/conversations/{conversation}/messages/{message}\022Wprojects/{project}/locations"
-          + "/{location}/conversations/{conversation}/messages/{message}\"\236\001\n"
+          + "\022message_annotation\030\007 \001(\0132-"
+          + ".google.cloud.dialogflow.v2.MessageAnnotationB\004\342A\001\003\022U\n"
+          + "\022sentiment_analysis\030\010 \001(\0132"
+          + "3.google.cloud.dialogflow.v2.SentimentAnalysisResultB\004\342A\001\003:\304\001\352A\300\001\n"
+          + "!dialogflow.googleapis.com/Message\022Bprojects/{project}"
+          + "/conversations/{conversation}/messages/{message}\022Wprojects/{project}/locations/{"
+          + "location}/conversations/{conversation}/messages/{message}\"\236\001\n"
           + "\030CreateParticipantRequest\022>\n"
           + "\006parent\030\001 \001("
           + "\tB.\342A\001\002\372A\'\022%dialogflow.googleapis.com/Participant\022B\n"
@@ -411,8 +441,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004name\030\001 \001(\tB.\342A\001\002\372A\'\n"
           + "%dialogflow.googleapis.com/Participant\"\214\001\n"
           + "\027ListParticipantsRequest\022>\n"
-          + "\006parent\030\001 \001(\tB.\342A\001\002\372A\'"
-          + "\022%dialogflow.googleapis.com/Participant\022\027\n"
+          + "\006parent\030\001 \001("
+          + "\tB.\342A\001\002\372A\'\022%dialogflow.googleapis.com/Participant\022\027\n"
           + "\tpage_size\030\002 \001(\005B\004\342A\001\001\022\030\n\n"
           + "page_token\030\003 \001(\tB\004\342A\001\001\"r\n"
           + "\030ListParticipantsResponse\022=\n"
@@ -434,8 +464,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\022reply_audio_config\030\005"
           + " \001(\0132-.google.cloud.dialogflow.v2.OutputAudioConfig\022A\n"
           + "\014query_params\030\t \001(\0132+.google.cloud.dialogflow.v2.QueryParameters\022N\n"
-          + "\023assist_query_params\030\016"
-          + " \001(\01321.google.cloud.dialogflow.v2.AssistQueryParameters\022.\n\r"
+          + "\023assist_query_params\030\016 \001"
+          + "(\01321.google.cloud.dialogflow.v2.AssistQueryParameters\022.\n\r"
           + "cx_parameters\030\022 \001(\0132\027.google.protobuf.Struct\022\022\n\n"
           + "request_id\030\013 \001(\tB\007\n"
           + "\005input\",\n"
@@ -444,8 +474,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\026AnalyzeContentResponse\022\022\n\n"
           + "reply_text\030\001 \001(\t\022<\n"
           + "\013reply_audio\030\002 \001(\0132\'.google.cloud.dialogflow.v2.OutputAudio\022N\n"
-          + "\025automated_agent_reply\030\003 \001(\0132/"
-          + ".google.cloud.dialogflow.v2.AutomatedAgentReply\0224\n"
+          + "\025automated_agent_reply\030\003 \001(\0132/.g"
+          + "oogle.cloud.dialogflow.v2.AutomatedAgentReply\0224\n"
           + "\007message\030\005 \001(\0132#.google.cloud.dialogflow.v2.Message\022T\n"
           + "\036human_agent_suggestion_results\030\006"
           + " \003(\0132,.google.cloud.dialogflow.v2.SuggestionResult\022Q\n"
@@ -462,15 +492,16 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + " \001(\0132+.google.cloud.dialogflow.v2.InputTextConfigH\000\022I\n"
           + "\022reply_audio_config\030\004"
           + " \001(\0132-.google.cloud.dialogflow.v2.OutputAudioConfig\022\025\n"
-          + "\013input_audio\030\005 \001(\014H\001\022\024\n\n"
+          + "\013input_audio\030\005 \001(\014H\001\022\024\n"
+          + "\n"
           + "input_text\030\006 \001(\tH\001\022E\n\n"
-          + "input_dtmf\030\t \001("
-          + "\0132/.google.cloud.dialogflow.v2.TelephonyDtmfEventsH\001\022M\n"
-          + "\020suggestion_input\030\033 \001(\0132+"
-          + ".google.cloud.dialogflow.v2.SuggestionInputB\004\342A\001\001H\001\022A\n"
+          + "input_dtmf\030\t \001(\0132"
+          + "/.google.cloud.dialogflow.v2.TelephonyDtmfEventsH\001\022M\n"
+          + "\020suggestion_input\030\033 \001(\0132+.g"
+          + "oogle.cloud.dialogflow.v2.SuggestionInputB\004\342A\001\001H\001\022A\n"
           + "\014query_params\030\007 \001(\0132+.google.cloud.dialogflow.v2.QueryParameters\022N\n"
-          + "\023assist_query_params\030\010 \001(\01321.google.clo"
-          + "ud.dialogflow.v2.AssistQueryParameters\022.\n\r"
+          + "\023assist_query_params\030\010"
+          + " \001(\01321.google.cloud.dialogflow.v2.AssistQueryParameters\022.\n\r"
           + "cx_parameters\030\r"
           + " \001(\0132\027.google.protobuf.Struct\022\'\n"
           + "\031enable_extended_streaming\030\013 \001(\010B\004\342A\001\001\0222\n"
@@ -493,8 +524,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + " \003(\0132,.google.cloud.dialogflow.v2.SuggestionResult\022C\n"
           + "\017dtmf_parameters\030\n"
           + " \001(\0132*.google.cloud.dialogflow.v2.DtmfParameters\022R\n"
-          + "\016debugging_info\030\013 \001(\0132:.google.c"
-          + "loud.dialogflow.v2.CloudConversationDebuggingInfo\022\024\n"
+          + "\016debugging_info\030\013 \001(\0132:.google.clo"
+          + "ud.dialogflow.v2.CloudConversationDebuggingInfo\022\024\n"
           + "\014speech_model\030\r"
           + " \001(\t\"\210\002\n"
           + "\026SuggestArticlesRequest\022>\n"
@@ -523,39 +554,38 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\016latest_message\030\002 \001(\t\022\024\n"
           + "\014context_size\030\003 \001(\005\"\241\003\n"
           + "\033GenerateSuggestionsResponse\022w\n"
-          + "\034generator_suggestion_answers\030\001 \003(\0132Q.go"
-          + "ogle.cloud.dialogflow.v2.GenerateSuggestionsResponse.GeneratorSuggestionAnswer\022>\n"
+          + "\034generator_suggestion_answers\030\001 \003(\0132Q.goog"
+          + "le.cloud.dialogflow.v2.GenerateSuggestionsResponse.GeneratorSuggestionAnswer\022>\n"
           + "\016latest_message\030\002 \001(\tB&\372A#\n"
           + "!dialogflow.googleapis.com/Message\032\310\001\n"
           + "\031GeneratorSuggestionAnswer\022M\n"
-          + "\024generator_suggestion\030\001 \001"
-          + "(\0132/.google.cloud.dialogflow.v2.GeneratorSuggestion\022\030\n"
-          + "\020source_generator\030\002 \001(\t\022B\n"
-          + "\r"
+          + "\024generator_suggestion\030\001 \001(\013"
+          + "2/.google.cloud.dialogflow.v2.GeneratorSuggestion\022\030\n"
+          + "\020source_generator\030\002 \001(\t\022B\n\r"
           + "answer_record\030\003 \001(\tB+\372A(\n"
           + "&dialogflow.googleapis.com/AnswerRecord\"\213\001\n"
           + "\022ToolCallSuggestion\022Z\n"
-          + "\016tool_call_info\030\001 \001(\0132<.googl"
-          + "e.cloud.dialogflow.v2.GeneratorSuggestion.ToolCallInfoB\004\342A\001\001\022\031\n"
+          + "\016tool_call_info\030\001 \001(\0132<.google."
+          + "cloud.dialogflow.v2.GeneratorSuggestion.ToolCallInfoB\004\342A\001\001\022\031\n"
           + "\013text_update\030\002 \001(\tB\004\342A\001\001\"e\n"
           + "\016ToolCallEvents\022S\n"
           + "\025tool_call_suggestions\030\001"
           + " \003(\0132..google.cloud.dialogflow.v2.ToolCallSuggestionB\004\342A\001\001\"\362\005\n"
           + "\023CompanionSuggestion\022K\n"
-          + "\tguidances\030\001 \003(\01328.goog"
-          + "le.cloud.dialogflow.v2.CompanionSuggestion.Guidance\032\215\005\n"
+          + "\tguidances\030\001 \003(\01328.google"
+          + ".cloud.dialogflow.v2.CompanionSuggestion.Guidance\032\215\005\n"
           + "\010Guidance\022\027\n"
           + "\017suggested_reply\030\001 \001(\t\022\030\n"
           + "\020suggested_action\030\002 \001(\t\022K\n"
           + "\022instruction_source\030\003"
           + " \001(\0132/.google.cloud.dialogflow.v2.GuidanceInstruction\022c\n"
-          + "\021knowledge_sources\030\004 \003(\0132H.google.cloud.dialo"
-          + "gflow.v2.CompanionSuggestion.Guidance.KnowledgeSource\022\031\n"
+          + "\021knowledge_sources\030\004 \003(\0132H.google.cloud.dialogf"
+          + "low.v2.CompanionSuggestion.Guidance.KnowledgeSource\022\031\n"
           + "\013explanation\030\014 \001(\tB\004\342A\001\001\022T\n"
-          + "\022grounding_metadata\030\006 \001(\0132-.google.cl"
-          + "oud.dialogflow.v2.GroundingMetadataB\004\342A\001\001H\000\210\001\001\022H\n\n"
-          + "tool_calls\030\007 \003(\0132..google.clou"
-          + "d.dialogflow.v2.ToolCallSuggestionB\004\342A\001\001\022\\\n"
+          + "\022grounding_metadata\030\006 \001(\0132-.google.clou"
+          + "d.dialogflow.v2.GroundingMetadataB\004\342A\001\001H\000\210\001\001\022H\n\n"
+          + "tool_calls\030\007 \003(\0132..google.cloud."
+          + "dialogflow.v2.ToolCallSuggestionB\004\342A\001\001\022\\\n"
           + "#triggering_tool_call_answer_records\030\013 \003(\tB/\342A\001\001\372A(\n"
           + "&dialogflow.googleapis.com/AnswerRecord\032l\n"
           + "\017KnowledgeSource\022\035\n"
@@ -584,19 +614,28 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "!dialogflow.googleapis.com/Message\022\024\n"
           + "\014context_size\030\003 \001(\005\"e\n\n"
           + "AudioInput\022B\n"
-          + "\006config\030\001 \001(\0132,.google.cl"
-          + "oud.dialogflow.v2.InputAudioConfigB\004\342A\001\002\022\023\n"
+          + "\006config\030\001 \001(\0132,.google.clou"
+          + "d.dialogflow.v2.InputAudioConfigB\004\342A\001\002\022\023\n"
           + "\005audio\030\002 \001(\014B\004\342A\001\002\"[\n"
           + "\013OutputAudio\022=\n"
           + "\006config\030\001 \001(\0132-.google.cloud.dialogflow.v2.OutputAudioConfig\022\r\n"
-          + "\005audio\030\002 \001(\014\"\350\002\n"
+          + "\005audio\030\002 \001(\014\"\337\004\n"
           + "\023AutomatedAgentReply\022P\n"
           + "\026detect_intent_response\030\001"
-          + " \001(\01320.google.cloud.dialogflow.v2.DetectIntentResponse\022k\n"
-          + "\032automated_agent_reply_type\030\007 \001(\0162G.google.cloud.dialogfl"
-          + "ow.v2.AutomatedAgentReply.AutomatedAgentReplyType\022\032\n"
+          + " \001(\01320.google.cloud.dialogflow.v2.DetectIntentResponse\022F\n"
+          + "\021response_messages\030\003"
+          + " \003(\0132+.google.cloud.dialogflow.v2.ResponseMessage\0225\n"
+          + "\006intent\030\004 \001(\tB%\372A\"\n"
+          + " dialogflow.googleapis.com/Intent\022\r\n"
+          + "\005event\030\005 \001(\t\022\030\n"
+          + "\020match_confidence\030\t \001(\002\022+\n\n"
+          + "parameters\030\n"
+          + " \001(\0132\027.google.protobuf.Struct\022k\n"
+          + "\032automated_agent_reply_type\030\007 \001(\0162G.google.clo"
+          + "ud.dialogflow.v2.AutomatedAgentReply.AutomatedAgentReplyType\022\032\n"
           + "\022allow_cancellation\030\010 \001(\010\022\027\n"
-          + "\017cx_current_page\030\013 \001(\t\"]\n"
+          + "\017cx_current_page\030\013 \001(\t\022 \n"
+          + "\030call_companion_auth_code\030\014 \001(\014\"]\n"
           + "\027AutomatedAgentReplyType\022*\n"
           + "&AUTOMATED_AGENT_REPLY_TYPE_UNSPECIFIED\020\000\022\013\n"
           + "\007PARTIAL\020\001\022\t\n"
@@ -606,8 +645,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\003uri\030\002 \001(\t\022\020\n"
           + "\010snippets\030\003 \003(\t\022\022\n\n"
           + "confidence\030\004 \001(\002\022I\n"
-          + "\010metadata\030\005"
-          + " \003(\01327.google.cloud.dialogflow.v2.ArticleAnswer.MetadataEntry\022\025\n\r"
+          + "\010metadata\030\005 \003(\01327.google.cloud."
+          + "dialogflow.v2.ArticleAnswer.MetadataEntry\022\025\n\r"
           + "answer_record\030\006 \001(\t\032/\n\r"
           + "MetadataEntry\022\013\n"
           + "\003key\030\001 \001(\t\022\r\n"
@@ -634,27 +673,27 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013description\030\005 \001(\tB\010\n"
           + "\006intent\"\305\001\n"
           + "\026DialogflowAssistAnswer\022?\n"
-          + "\014query_result\030\001 \001("
-          + "\0132\'.google.cloud.dialogflow.v2.QueryResultH\000\022I\n"
-          + "\021intent_suggestion\030\005 \001(\0132,.google"
-          + ".cloud.dialogflow.v2.IntentSuggestionH\000\022\025\n\r"
+          + "\014query_result\030\001"
+          + " \001(\0132\'.google.cloud.dialogflow.v2.QueryResultH\000\022I\n"
+          + "\021intent_suggestion\030\005 \001(\0132,.g"
+          + "oogle.cloud.dialogflow.v2.IntentSuggestionH\000\022\025\n\r"
           + "answer_record\030\002 \001(\tB\010\n"
           + "\006result\"\252\005\n"
           + "\020SuggestionResult\022#\n"
           + "\005error\030\001 \001(\0132\022.google.rpc.StatusH\000\022X\n"
           + "\031suggest_articles_response\030\002"
           + " \001(\01323.google.cloud.dialogflow.v2.SuggestArticlesResponseH\000\022g\n"
-          + "!suggest_knowledge_assist_response\030\010 \001(\0132:.google.cloud.d"
-          + "ialogflow.v2.SuggestKnowledgeAssistResponseH\000\022]\n"
-          + "\034suggest_faq_answers_response\030\003 "
-          + "\001(\01325.google.cloud.dialogflow.v2.SuggestFaqAnswersResponseH\000\022a\n"
-          + "\036suggest_smart_replies_response\030\004 \001(\01327.google.cloud.dial"
-          + "ogflow.v2.SuggestSmartRepliesResponseH\000\022`\n"
-          + "\035generate_suggestions_response\030\t \001(\01327"
-          + ".google.cloud.dialogflow.v2.GenerateSuggestionsResponseH\000\022s\n"
+          + "!suggest_knowledge_assist_response\030\010 \001(\0132:.google.cl"
+          + "oud.dialogflow.v2.SuggestKnowledgeAssistResponseH\000\022]\n"
+          + "\034suggest_faq_answers_response\030\003"
+          + " \001(\01325.google.cloud.dialogflow.v2.SuggestFaqAnswersResponseH\000\022a\n"
+          + "\036suggest_smart_replies_response\030\004 \001(\01327.google.cloud"
+          + ".dialogflow.v2.SuggestSmartRepliesResponseH\000\022`\n"
+          + "\035generate_suggestions_response\030\t "
+          + "\001(\01327.google.cloud.dialogflow.v2.GenerateSuggestionsResponseH\000\022s\n"
           + "\'generate_companion_suggestions_response\030\n"
-          + " \001(\0132@.google.clou"
-          + "d.dialogflow.v2.GenerateCompanionSuggestionsResponseH\000B\025\n"
+          + " \001(\0132@.google"
+          + ".cloud.dialogflow.v2.GenerateCompanionSuggestionsResponseH\000B\025\n"
           + "\023suggestion_response\".\n"
           + "\017InputTextConfig\022\033\n\r"
           + "language_code\030\001 \001(\tB\004\342A\001\002\"j\n"
@@ -663,14 +702,14 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\013entity_type\030\002 \001(\t\022/\n"
           + "\017formatted_value\030\003 \001(\0132\026.google.protobuf.Value\"n\n"
           + "\021MessageAnnotation\022?\n"
-          + "\005parts\030\001 \003(\01320.google.c"
-          + "loud.dialogflow.v2.AnnotatedMessagePart\022\030\n"
+          + "\005parts\030\001 \003(\01320.goo"
+          + "gle.cloud.dialogflow.v2.AnnotatedMessagePart\022\030\n"
           + "\020contain_entities\030\002 \001(\010\"\247\002\n"
           + "\017SuggestionInput\022\033\n\r"
           + "answer_record\030\001 \001(\tB\004\342A\001\002\0221\n\n"
           + "parameters\030\004 \001(\0132\027.google.protobuf.StructB\004\342A\001\001\022H\n"
-          + "\006action\030\005 \001(\01622.google.cloud.dia"
-          + "logflow.v2.SuggestionInput.ActionB\004\342A\001\001\0223\n"
+          + "\006action\030\005 \001(\01622.google.clou"
+          + "d.dialogflow.v2.SuggestionInput.ActionB\004\342A\001\001\0223\n"
           + "\tsend_time\030\007 \001(\0132\032.google.protobuf.TimestampB\004\342A\001\001\"E\n"
           + "\006Action\022\026\n"
           + "\022ACTION_UNSPECIFIED\020\000\022\n\n"
@@ -678,11 +717,41 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006REVISE\020\002\022\013\n"
           + "\007CONFIRM\020\003\"\315\001\n"
           + "\025AssistQueryParameters\022s\n"
-          + "\032documents_metadata_filters\030\001 \003(\0132O.google.cloud"
-          + ".dialogflow.v2.AssistQueryParameters.DocumentsMetadataFiltersEntry\032?\n"
+          + "\032documents_metadata_filters\030\001 \003(\0132O.google."
+          + "cloud.dialogflow.v2.AssistQueryParameters.DocumentsMetadataFiltersEntry\032?\n"
           + "\035DocumentsMetadataFiltersEntry\022\013\n"
           + "\003key\030\001 \001(\t\022\r\n"
-          + "\005value\030\002 \001(\t:\0028\001\"\347\001\n"
+          + "\005value\030\002 \001(\t:\0028\001\"\345\006\n"
+          + "\017ResponseMessage\022@\n"
+          + "\004text\030\001"
+          + " \001(\01320.google.cloud.dialogflow.v2.ResponseMessage.TextH\000\022*\n"
+          + "\007payload\030\002 \001(\0132\027.google.protobuf.StructH\000\022Z\n"
+          + "\022live_agent_handoff\030\003 \001(\0132<.google.cloud.dialogflow"
+          + ".v2.ResponseMessage.LiveAgentHandoffH\000\022U\n"
+          + "\017end_interaction\030\004 \001(\0132:.google.cloud.d"
+          + "ialogflow.v2.ResponseMessage.EndInteractionH\000\022M\n"
+          + "\013mixed_audio\030\005 \001(\01326.google.clou"
+          + "d.dialogflow.v2.ResponseMessage.MixedAudioH\000\022d\n"
+          + "\027telephony_transfer_call\030\006 \001(\0132A."
+          + "google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCallH\000\032\024\n"
+          + "\004Text\022\014\n"
+          + "\004text\030\001 \003(\t\032=\n"
+          + "\020LiveAgentHandoff\022)\n"
+          + "\010metadata\030\001 \001(\0132\027.google.protobuf.Struct\032\020\n"
+          + "\016EndInteraction\032\271\001\n\n"
+          + "MixedAudio\022P\n"
+          + "\010segments\030\001 \003"
+          + "(\0132>.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment\032Y\n"
+          + "\007Segment\022\017\n"
+          + "\005audio\030\001 \001(\014H\000\022\r\n"
+          + "\003uri\030\002 \001(\tH\000\022#\n"
+          + "\033allow_playback_interruption\030\003 \001(\010B\t\n"
+          + "\007content\032N\n"
+          + "\025TelephonyTransferCall\022\026\n"
+          + "\014phone_number\030\001 \001(\tH\000\022\021\n"
+          + "\007sip_uri\030\002 \001(\tH\000B\n\n"
+          + "\010endpointB\t\n"
+          + "\007message\"\347\001\n"
           + "\035SuggestKnowledgeAssistRequest\022>\n"
           + "\006parent\030\001 \001(\tB.\342A\001\002\372A\'\n"
           + "%dialogflow.googleapis.com/Participant\022B\n"
@@ -691,22 +760,22 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\014context_size\030\003 \001(\005B\004\342A\001\001\022&\n"
           + "\030previous_suggested_query\030\004 \001(\tB\004\342A\001\001\"\255\002\n"
           + "\036SuggestKnowledgeAssistResponse\022X\n"
-          + "\027knowledge_assist_answer\030\001 \001(\01321.goog"
-          + "le.cloud.dialogflow.v2.KnowledgeAssistAnswerB\004\342A\001\003\022\026\n"
+          + "\027knowledge_assist_answer\030\001 \001(\01321.google."
+          + "cloud.dialogflow.v2.KnowledgeAssistAnswerB\004\342A\001\003\022\026\n"
           + "\016latest_message\030\002 \001(\t\022\024\n"
           + "\014context_size\030\003 \001(\005\022\202\001\n"
-          + "\"additional_suggested_query_results\030\004 \003(\0132P.google.cloud.dia"
-          + "logflow.v2.KnowledgeAssistAnswer.AdditionalSuggestedQueryResultB\004\342A\001\001\"\271\005\n"
+          + "\"additional_suggested_query_results\030\004 \003(\0132P.google.cloud.dialog"
+          + "flow.v2.KnowledgeAssistAnswer.AdditionalSuggestedQueryResultB\004\342A\001\001\"\271\005\n"
           + "!IngestedContextReferenceDebugInfo\022\037\n"
           + "\027project_not_allowlisted\030\001 \001(\010\022#\n"
           + "\033context_reference_retrieved\030\002 \001(\010\022\200\001\n"
-          + "\036ingested_parameters_debug_info\030\003 \003(\0132X.google.cloud.dialog"
-          + "flow.v2.IngestedContextReferenceDebugInfo.IngestedParameterDebugInfo\032\312\003\n"
+          + "\036ingested_parameters_debug_info\030\003 \003(\0132X.google.cloud.dialogflo"
+          + "w.v2.IngestedContextReferenceDebugInfo.IngestedParameterDebugInfo\032\312\003\n"
           + "\032IngestedParameterDebugInfo\022\021\n"
           + "\tparameter\030\001 \001(\t\022\202\001\n"
-          + "\020ingestion_status\030\002 \001(\0162h.google.cloud"
-          + ".dialogflow.v2.IngestedContextReferenceD"
-          + "ebugInfo.IngestedParameterDebugInfo.IngestionStatus\"\223\002\n"
+          + "\020ingestion_status\030\002 \001(\0162h.google.cloud.di"
+          + "alogflow.v2.IngestedContextReferenceDebu"
+          + "gInfo.IngestedParameterDebugInfo.IngestionStatus\"\223\002\n"
           + "\017IngestionStatus\022 \n"
           + "\034INGESTION_STATUS_UNSPECIFIED\020\000\022\036\n"
           + "\032INGESTION_STATUS_SUCCEEDED\020\001\022*\n"
@@ -716,29 +785,31 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\037INGESTION_STATUS_INVALID_FORMAT\020\005\022&\n"
           + "\"INGESTION_STATUS_LANGUAGE_MISMATCH\020\006\"\227\002\n"
           + "\016ServiceLatency\022e\n"
-          + "\032internal_service_latencies\030\001 \003(\0132A.google.cloud."
-          + "dialogflow.v2.ServiceLatency.InternalServiceLatency\032\235\001\n"
+          + "\032internal_service_latencies\030\001 \003(\0132A.google.cloud.dia"
+          + "logflow.v2.ServiceLatency.InternalServiceLatency\032\235\001\n"
           + "\026InternalServiceLatency\022\014\n"
           + "\004step\030\001 \001(\t\022\022\n\n"
           + "latency_ms\030\002 \001(\002\022.\n\n"
-          + "start_time\030\003 \001(\0132\032.google.protobuf.Timestamp\0221\n\r"
+          + "start_time\030\003 \001(\0132\032.google.protobuf.Timestamp\0221\n"
+          + "\r"
           + "complete_time\030\004 \001(\0132\032.google.protobuf.Timestamp\"\223\023\n"
           + "\030KnowledgeAssistDebugInfo\022z\n"
-          + "\037query_generation_failure_reason\030\001 \001("
-          + "\0162Q.google.cloud.dialogflow.v2.Knowledge"
-          + "AssistDebugInfo.QueryGenerationFailureReason\022\202\001\n"
-          + "#query_categorization_failure_reason\030\002 \001(\0162U.google.cloud.dialogflow.v2."
-          + "KnowledgeAssistDebugInfo.QueryCategorizationFailureReason\022V\n"
+          + "\037query_generation_failure_reason\030\001 \001(\0162Q"
+          + ".google.cloud.dialogflow.v2.KnowledgeAss"
+          + "istDebugInfo.QueryGenerationFailureReason\022\202\001\n"
+          + "#query_categorization_failure_reason\030\002"
+          + " \001(\0162U.google.cloud.dialogflow.v2.Kno"
+          + "wledgeAssistDebugInfo.QueryCategorizationFailureReason\022V\n"
           + "\031datastore_response_reason\030\003"
           + " \001(\01623.google.cloud.dialogflow.v2.DatastoreResponseReason\022o\n"
-          + "\031knowledge_assist_behavior\030\004 \001(\0132L.google.cloud.dial"
-          + "ogflow.v2.KnowledgeAssistDebugInfo.KnowledgeAssistBehavior\022l\n"
-          + "%ingested_context_reference_debug_info\030\005 \001(\0132=.google.cloud"
-          + ".dialogflow.v2.IngestedContextReferenceDebugInfo\022C\n"
+          + "\031knowledge_assist_behavior\030\004 \001(\0132L.google.cloud.dialogf"
+          + "low.v2.KnowledgeAssistDebugInfo.KnowledgeAssistBehavior\022l\n"
+          + "%ingested_context_reference_debug_info\030\005 \001(\0132=.google.cloud.di"
+          + "alogflow.v2.IngestedContextReferenceDebugInfo\022C\n"
           + "\017service_latency\030\006"
           + " \001(\0132*.google.cloud.dialogflow.v2.ServiceLatency\022r\n"
-          + "\033query_generation_debug_info\030\007 \001(\0132M.goo"
-          + "gle.cloud.dialogflow.v2.KnowledgeAssistDebugInfo.QueryGenerationDebugInfo\022/\n"
+          + "\033query_generation_debug_info\030\007 \001(\0132M.google"
+          + ".cloud.dialogflow.v2.KnowledgeAssistDebugInfo.QueryGenerationDebugInfo\022/\n"
           + "\016ces_debug_info\030\010 \001(\0132\027.google.protobuf.Struct\032\271\005\n"
           + "\027KnowledgeAssistBehavior\022%\n"
           + "\035answer_generation_rewriter_on\030\001 \001(\010\022\"\n"
@@ -772,7 +843,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "+QUERY_GENERATION_FAILURE_REASON_UNSPECIFIED\020\000\022!\n"
           + "\035QUERY_GENERATION_OUT_OF_QUOTA\020\001\022\033\n"
           + "\027QUERY_GENERATION_FAILED\020\002\022\'\n"
-          + "#QUERY_GENERATION_NO_QUERY_GENERATED\020\003\022\037\n"
+          + "#QUERY_GENERATION_NO_Q",
+      "UERY_GENERATED\020\003\022\037\n"
           + "\033QUERY_GENERATION_RAI_FAILED\020\004\022\024\n"
           + "\020NOT_IN_ALLOWLIST\020\005\022#\n"
           + "\037QUERY_GENERATION_QUERY_REDACTED\020\006\022.\n"
@@ -788,41 +860,40 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "%QUERY_CATEGORIZATION_RESULT_NOT_FOUND\020\002\022\037\n"
           + "\033QUERY_CATEGORIZATION_FAILED\020\003\"\306\014\n"
           + "\025KnowledgeAssistAnswer\022Y\n"
-          + "\017suggested_query\030\001 \001(\0132@.g"
-          + "oogle.cloud.dialogflow.v2.KnowledgeAssistAnswer.SuggestedQuery\022a\n"
-          + "\026suggested_query_answer\030\002 \001(\0132A.google.cloud.dialogflow"
-          + ".v2.KnowledgeAssistAnswer.KnowledgeAnswer\022\025\n\r"
+          + "\017suggested_query\030\001 \001(\0132@.goog"
+          + "le.cloud.dialogflow.v2.KnowledgeAssistAnswer.SuggestedQuery\022a\n"
+          + "\026suggested_query_answer\030\002 \001(\0132A.google.cloud.dialogflow.v2"
+          + ".KnowledgeAssistAnswer.KnowledgeAnswer\022\025\n\r"
           + "answer_record\030\003 \001(\t\022Y\n"
           + "\033knowledge_assist_debug_info\030\007"
           + " \001(\01324.google.cloud.dialogflow.v2.KnowledgeAssistDebugInfo\032\314\001\n"
           + "\016SuggestedQuery\022\022\n\n"
           + "query_text\030\001 \001(\t\022m\n"
-          + "\017search_contexts\030\004 \003(\0132N.google.cloud.dialo"
-          + "gflow.v2.KnowledgeAssistAnswer.SuggestedQuery.SearchContextB\004\342A\001\001\0327\n\r"
+          + "\017search_contexts\030\004 \003(\0132N.google.cloud.dialogfl"
+          + "ow.v2.KnowledgeAssistAnswer.SuggestedQuery.SearchContextB\004\342A\001\001\0327\n\r"
           + "SearchContext\022\021\n"
           + "\003key\030\001 \001(\tB\004\342A\001\001\022\023\n"
           + "\005value\030\002 \001(\tB\004\342A\001\001\032\311\001\n"
           + "\036AdditionalSuggestedQueryResult\022_\n"
-          + "\017suggested_query\030\001 \001(\0132@.google.cloud.di"
-          + "alogflow.v2.KnowledgeAssistAnswer.SuggestedQueryB\004\342A\001\003\022F\n\r"
-          + "answer_record\030\005 \001(\tB/\342",
-      "A\001\003\372A(\n"
+          + "\017suggested_query\030\001 \001(\0132@.google.cloud.dialo"
+          + "gflow.v2.KnowledgeAssistAnswer.SuggestedQueryB\004\342A\001\003\022F\n\r"
+          + "answer_record\030\005 \001(\tB/\342A\001\003\372A(\n"
           + "&dialogflow.googleapis.com/AnswerRecord\032\341\006\n"
           + "\017KnowledgeAnswer\022\023\n"
           + "\013answer_text\030\001 \001(\t\022a\n\n"
-          + "faq_source\030\003 \001(\0132K.google.clo"
-          + "ud.dialogflow.v2.KnowledgeAssistAnswer.KnowledgeAnswer.FaqSourceH\000\022o\n"
-          + "\021generative_source\030\004 \001(\0132R.google.cloud.dialogflow."
-          + "v2.KnowledgeAssistAnswer.KnowledgeAnswer.GenerativeSourceH\000\022m\n"
-          + "\017playbook_source\030\007 \001(\0132R.google.cloud.dialogflow.v2.Knowle"
-          + "dgeAssistAnswer.KnowledgeAnswer.GenerativeSourceH\000\022e\n"
-          + "\014event_source\030\010 \001(\0132M.googl"
-          + "e.cloud.dialogflow.v2.KnowledgeAssistAnswer.KnowledgeAnswer.EventSourceH\000\032\035\n"
+          + "faq_source\030\003 \001(\0132K.google.cloud."
+          + "dialogflow.v2.KnowledgeAssistAnswer.KnowledgeAnswer.FaqSourceH\000\022o\n"
+          + "\021generative_source\030\004 \001(\0132R.google.cloud.dialogflow.v2."
+          + "KnowledgeAssistAnswer.KnowledgeAnswer.GenerativeSourceH\000\022m\n"
+          + "\017playbook_source\030\007 \001(\0132R.google.cloud.dialogflow.v2.Knowledge"
+          + "AssistAnswer.KnowledgeAnswer.GenerativeSourceH\000\022e\n"
+          + "\014event_source\030\010 \001(\0132M.google.c"
+          + "loud.dialogflow.v2.KnowledgeAssistAnswer.KnowledgeAnswer.EventSourceH\000\032\035\n"
           + "\tFaqSource\022\020\n"
           + "\010question\030\002 \001(\t\032\340\001\n"
           + "\020GenerativeSource\022l\n"
-          + "\010snippets\030\001 \003(\0132Z.google.cloud.d"
-          + "ialogflow.v2.KnowledgeAssistAnswer.KnowledgeAnswer.GenerativeSource.Snippet\032^\n"
+          + "\010snippets\030\001 \003(\0132Z.google.cloud.dial"
+          + "ogflow.v2.KnowledgeAssistAnswer.KnowledgeAnswer.GenerativeSource.Snippet\032^\n"
           + "\007Snippet\022\013\n"
           + "\003uri\030\002 \001(\t\022\014\n"
           + "\004text\030\003 \001(\t\022\r\n"
@@ -830,29 +901,28 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\010metadata\030\005 \001(\0132\027.google.protobuf.Struct\032\202\001\n"
           + "\013EventSource\022\r\n"
           + "\005event\030\001 \001(\t\022d\n"
-          + "\010snippets\030\002 \001(\0132R.google.cloud.dial"
-          + "ogflow.v2.KnowledgeAssistAnswer.KnowledgeAnswer.GenerativeSourceB\010\n"
+          + "\010snippets\030\002 \001(\0132R.google.cloud.dialogf"
+          + "low.v2.KnowledgeAssistAnswer.KnowledgeAnswer.GenerativeSourceB\010\n"
           + "\006source\"\245\002\n"
           + ",StreamingReactiveCompanionSuggestionsRequest\022C\n"
           + "\013participant\030\001 \001(\tB.\342A\001\002\372A\'\n"
           + "%dialogflow.googleapis.com/Participant\022\024\n\n"
           + "text_input\030\002 \001(\tH\000\022H\n"
-          + "\025cancel_reactive_query\030\003"
-          + " \001(\0132\'.google.cloud.dialogflow.v2.CancelQueryH\000\022G\n"
-          + "\020suggestion_input\030\005 \001(\0132+.goo"
-          + "gle.cloud.dialogflow.v2.SuggestionInputH\000B\007\n"
+          + "\025cancel_reactive_query\030\003 \001"
+          + "(\0132\'.google.cloud.dialogflow.v2.CancelQueryH\000\022G\n"
+          + "\020suggestion_input\030\005 \001(\0132+.google"
+          + ".cloud.dialogflow.v2.SuggestionInputH\000B\007\n"
           + "\005input\"\r\n"
           + "\013CancelQuery\"\337\005\n"
           + "-StreamingReactiveCompanionSuggestionsResponse\022\030\n"
           + "\016response_chunk\030\001 \001(\tH\000\022$\n"
           + "\006status\030\003 \001(\0132\022.google.rpc.StatusH\000\022\214\001\n"
-          + "\034reactive_mode_final_response\030\006 \001(\0132^.google.cloud.dialog"
-          + "flow.v2.StreamingReactiveCompanionSugges"
-          + "tionsResponse.ReactiveModeResponseB\004\342A\001\003H\000\022Y\n"
-          + "\035intermediate_tool_call_events\030\007 \001("
-          + "\0132*.google.cloud.dialogflow.v2.ToolCallEventsB\004\342A\001\003H\000\022\026\n"
-          + "\010is_final\030\004 \001(\010B\004\342A\001\003\022F\n"
-          + "\r"
+          + "\034reactive_mode_final_response\030\006 \001(\0132^.google.cloud.dialogflo"
+          + "w.v2.StreamingReactiveCompanionSuggestio"
+          + "nsResponse.ReactiveModeResponseB\004\342A\001\003H\000\022Y\n"
+          + "\035intermediate_tool_call_events\030\007 \001(\0132*"
+          + ".google.cloud.dialogflow.v2.ToolCallEventsB\004\342A\001\003H\000\022\026\n"
+          + "\010is_final\030\004 \001(\010B\004\342A\001\003\022F\n\r"
           + "answer_record\030\005 \001(\tB/\342A\001\003\372A(\n"
           + "&dialogflow.googleapis.com/AnswerRecord\022\035\n"
           + "\017text_message_id\030\010 \001(\tB\004\342A\001\002\022-\n"
@@ -860,38 +930,40 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\024ReactiveModeResponse\022\026\n"
           + "\010response\030\001 \001(\tB\004\342A\001\001\022O\n"
           + "\022grounding_metadata\030\002"
-          + " \001(\0132-.google.cloud.dialogflow.v2.GroundingMetadataB\004\342A\001\001\022H\n"
-          + "\n"
+          + " \001(\0132-.google.cloud.dialogflow.v2.GroundingMetadataB\004\342A\001\001\022H\n\n"
           + "tool_calls\030\003"
           + " \003(\0132..google.cloud.dialogflow.v2.ToolCallSuggestionB\004\342A\001\001B\n\n"
-          + "\010response\"\251\014\n"
+          + "\010response\"\205\r\n"
           + "\"BidiStreamingAnalyzeContentRequest\022W\n"
-          + "\006config\030\001 \001(\0132E.google.cloud.dialog"
-          + "flow.v2.BidiStreamingAnalyzeContentRequest.ConfigH\000\022U\n"
-          + "\005input\030\002 \001(\0132D.google.clou"
-          + "d.dialogflow.v2.BidiStreamingAnalyzeContentRequest.InputH\000\032\200\007\n"
+          + "\006config\030\001 \001(\0132E.google.cloud.dialogflo"
+          + "w.v2.BidiStreamingAnalyzeContentRequest.ConfigH\000\022U\n"
+          + "\005input\030\002 \001(\0132D.google.cloud.d"
+          + "ialogflow.v2.BidiStreamingAnalyzeContentRequest.InputH\000\032\334\007\n"
           + "\006Config\022C\n"
           + "\013participant\030\001 \001(\tB.\342A\001\002\372A\'\n"
           + "%dialogflow.googleapis.com/Participant\022x\n"
-          + "\024voice_session_config\030\002 \001(\0132X.google.cloud.dialogflow.v2.Bi"
-          + "diStreamingAnalyzeContentRequest.Config.VoiceSessionConfigH\000\022G\n"
+          + "\024voice_session_config\030\002 \001(\0132X.google.cloud.dialogflow.v2.BidiS"
+          + "treamingAnalyzeContentRequest.Config.VoiceSessionConfigH\000\022G\n"
           + " initial_virtual_agent_parameters\030\003"
           + " \001(\0132\027.google.protobuf.StructB\004\342A\001\001\022]\n"
           + "\"initial_virtual_agent_query_params\030\004"
-          + " \001(\0132+.google.cloud.dialogflow.v2.QueryParametersB\004\342A\001\001\032\204\004\n"
+          + " \001(\0132+.google.cloud.dialogflow.v2.QueryParametersB\004\342A\001\001\032\340\004\n"
           + "\022VoiceSessionConfig\022M\n"
-          + "\024input_audio_encoding\030\001 \001("
-          + "\0162).google.cloud.dialogflow.v2.AudioEncodingB\004\342A\001\002\022+\n"
+          + "\024input_audio_encoding\030\001 \001(\0162)"
+          + ".google.cloud.dialogflow.v2.AudioEncodingB\004\342A\001\002\022+\n"
           + "\035input_audio_sample_rate_hertz\030\002 \001(\005B\004\342A\001\002\022T\n"
-          + "\025output_audio_encoding\030\003"
-          + " \001(\0162/.google.cloud.dialogflow.v2.OutputAudioEncodingB\004\342A\001\002\022,\n"
+          + "\025output_audio_encoding\030\003 "
+          + "\001(\0162/.google.cloud.dialogflow.v2.OutputAudioEncodingB\004\342A\001\002\022,\n"
           + "\036output_audio_sample_rate_hertz\030\004 \001(\005B\004\342A\001\002\022,\n"
           + "\036enable_cx_proactive_processing\030\005 \001(\010B\004\342A\001\001\022)\n"
           + "\033enable_streaming_synthesize\030\027 \001(\010B\004\342A\001\001\022_\n"
-          + "\021gemini_asr_config\030\030 \001(\0132>.google.cloud.d"
-          + "ialogflow.v2.SpeechToTextConfig.GeminiAsrConfigB\004\342A\001\001\022!\n"
-          + "\016use_gemini_asr\030\031 \001(\010B\004\342A\001\001H\000\210\001\001B\021\n"
-          + "\017_use_gemini_asrB\010\n"
+          + "\021gemini_asr_config\030\030 \001(\0132>.google.cloud.dial"
+          + "ogflow.v2.SpeechToTextConfig.GeminiAsrConfigB\004\342A\001\001\022!\n"
+          + "\016use_gemini_asr\030\031 \001(\010B\004\342A\001\001H\000\210\001\001\0224\n"
+          + "!disable_interim_input_transcripts\030\032"
+          + " \001(\010B\004\342A\001\001H\001\210\001\001B\021\n"
+          + "\017_use_gemini_asrB$\n"
+          + "\"_disable_interim_input_transcriptsB\010\n"
           + "\006config\032\205\002\n"
           + "\tTurnInput\022\016\n"
           + "\004text\030\001 \001(\tH\000\0227\n"
@@ -905,21 +977,21 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\014main_content\032\274\001\n"
           + "\005Input\022\017\n"
           + "\005audio\030\001 \001(\014H\000\022?\n"
-          + "\004dtmf\030\002"
-          + " \001(\0132/.google.cloud.dialogflow.v2.TelephonyDtmfEventsH\000\022X\n"
-          + "\004turn\030\003 \001(\0132H.google.cloud.dialogflow.v2.Bid"
-          + "iStreamingAnalyzeContentRequest.TurnInputH\000B\007\n"
+          + "\004dtmf\030\002 \001(\0132/.google"
+          + ".cloud.dialogflow.v2.TelephonyDtmfEventsH\000\022X\n"
+          + "\004turn\030\003 \001(\0132H.google.cloud.dialogfl"
+          + "ow.v2.BidiStreamingAnalyzeContentRequest.TurnInputH\000B\007\n"
           + "\005inputB\t\n"
           + "\007request\"\321\003\n"
           + "#BidiStreamingAnalyzeContentResponse\022T\n"
-          + "\022recognition_result\030\001"
-          + " \001(\01326.google.cloud.dialogflow.v2.StreamingRecognitionResultH\000\022h\n"
-          + "\017barge_in_signal\030\002 \001(\0132M.google.cloud.dialogflow"
-          + ".v2.BidiStreamingAnalyzeContentResponse.BargeInSignalH\000\022V\n"
+          + "\022recognition_result\030\001 \001(\01326.google.cloud.dial"
+          + "ogflow.v2.StreamingRecognitionResultH\000\022h\n"
+          + "\017barge_in_signal\030\002 \001(\0132M.google.cloud.d"
+          + "ialogflow.v2.BidiStreamingAnalyzeContentResponse.BargeInSignalH\000\022V\n"
           + "\030analyze_content_response\030\003"
           + " \001(\01322.google.cloud.dialogflow.v2.AnalyzeContentResponseH\000\022e\n\r"
-          + "turn_complete\030\004 \001(\0132L.google.cloud.dialogflow.v2.Bidi"
-          + "StreamingAnalyzeContentResponse.TurnCompleteH\000\032\017\n\r"
+          + "turn_complete\030\004 \001(\0132L.google.cloud.dialogflo"
+          + "w.v2.BidiStreamingAnalyzeContentResponse.TurnCompleteH\000\032\017\n\r"
           + "BargeInSignal\032\016\n"
           + "\014TurnCompleteB\n\n"
           + "\010response*\326\002\n"
@@ -935,76 +1007,77 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\034ANSWER_GENERATION_RAI_FAILED\020\010\022\"\n"
           + "\036ANSWER_GENERATION_NOT_GROUNDED\020\t2\346\033\n"
           + "\014Participants\022\245\002\n"
-          + "\021CreateParticipant\0224.google.cloud.dialogflow.v2.CreateParticipa"
-          + "ntRequest\032\'.google.cloud.dialogflow.v2.P"
-          + "articipant\"\260\001\332A\022parent,participant\202\323\344\223\002\224"
-          + "\001\"4/v2/{parent=projects/*/conversations/"
-          + "*}/participants:\013participantZO\"@/v2/{par"
-          + "ent=projects/*/locations/*/conversations/*}/participants:\013participant\022\366\001\n"
-          + "\016GetParticipant\0221.google.cloud.dialogflow.v2.Ge"
-          + "tParticipantRequest\032\'.google.cloud.dialo"
-          + "gflow.v2.Participant\"\207\001\332A\004name\202\323\344\223\002z\0224/v"
-          + "2/{name=projects/*/conversations/*/participants/*}ZB\022@/v2/{name=projects/*/locat"
-          + "ions/*/conversations/*/participants/*}\022\211\002\n"
-          + "\020ListParticipants\0223.google.cloud.dialo"
-          + "gflow.v2.ListParticipantsRequest\0324.google.cloud.dialogflow.v2.ListParticipantsRe"
-          + "sponse\"\211\001\332A\006parent\202\323\344\223\002z\0224/v2/{parent=pr"
-          + "ojects/*/conversations/*}/participantsZB"
-          + "\022@/v2/{parent=projects/*/locations/*/conversations/*}/participants\022\302\002\n"
-          + "\021UpdateParticipant\0224.google.cloud.dialogflow.v2.Up"
-          + "dateParticipantRequest\032\'.google.cloud.di"
-          + "alogflow.v2.Participant\"\315\001\332A\027participant"
-          + ",update_mask\202\323\344\223\002\254\0012@/v2/{participant.na"
-          + "me=projects/*/conversations/*/participants/*}:\013participantZ[2L/v2/{participant.n"
-          + "ame=projects/*/locations/*/conversations/*/participants/*}:\013participant\022\372\002\n"
-          + "\016AnalyzeContent\0221.google.cloud.dialogflow.v2."
-          + "AnalyzeContentRequest\0322.google.cloud.dia"
-          + "logflow.v2.AnalyzeContentResponse\"\200\002\332A\026p"
-          + "articipant,text_input\332A\027participant,even"
-          + "t_input\332A\027participant,audio_input\202\323\344\223\002\254\001"
-          + "\"J/v2/{participant=projects/*/conversations/*/participants/*}:analyzeContent:\001*Z"
-          + "[\"V/v2/{participant=projects/*/locations"
-          + "/*/conversations/*/participants/*}:analyzeContent:\001*\022\230\001\n"
-          + "\027StreamingAnalyzeContent\022:.google.cloud.dialogflow.v2.StreamingA"
-          + "nalyzeContentRequest\032;.google.cloud.dial"
-          + "ogflow.v2.StreamingAnalyzeContentResponse\"\000(\0010\001\022\244\001\n"
-          + "\033BidiStreamingAnalyzeContent\022>.google.cloud.dialogflow.v2.BidiStreami"
-          + "ngAnalyzeContentRequest\032?.google.cloud.d"
-          + "ialogflow.v2.BidiStreamingAnalyzeContentResponse\"\000(\0010\001\022\302\001\n"
-          + "%StreamingReactiveCompanionSuggestions\022H.google.cloud.dialogfl"
-          + "ow.v2.StreamingReactiveCompanionSuggestionsRequest\032I.google.cloud.dialogflow.v2."
-          + "StreamingReactiveCompanionSuggestionsResponse\"\000(\0010\001\022\311\002\n"
-          + "\017SuggestArticles\0222.google.cloud.dialogflow.v2.SuggestArticlesRequ"
-          + "est\0323.google.cloud.dialogflow.v2.Suggest"
-          + "ArticlesResponse\"\314\001\332A\006parent\202\323\344\223\002\274\001\"R/v2"
-          + "/{parent=projects/*/conversations/*/participants/*}/suggestions:suggestArticles:"
-          + "\001*Zc\"^/v2/{parent=projects/*/locations/*"
-          + "/conversations/*/participants/*}/suggestions:suggestArticles:\001*\022\323\002\n"
-          + "\021SuggestFaqAnswers\0224.google.cloud.dialogflow.v2.Sugge"
-          + "stFaqAnswersRequest\0325.google.cloud.dialo"
-          + "gflow.v2.SuggestFaqAnswersResponse\"\320\001\332A\006"
-          + "parent\202\323\344\223\002\300\001\"T/v2/{parent=projects/*/co"
-          + "nversations/*/participants/*}/suggestions:suggestFaqAnswers:\001*Ze\"`/v2/{parent=pr"
-          + "ojects/*/locations/*/conversations/*/par"
-          + "ticipants/*}/suggestions:suggestFaqAnswers:\001*\022\335\002\n"
-          + "\023SuggestSmartReplies\0226.google.cloud.dialogflow.v2.SuggestSmartRepliesRe"
-          + "quest\0327.google.cloud.dialogflow.v2.Sugge"
-          + "stSmartRepliesResponse\"\324\001\332A\006parent\202\323\344\223\002\304"
-          + "\001\"V/v2/{parent=projects/*/conversations/*/participants/*}/suggestions:suggestSma"
-          + "rtReplies:\001*Zg\"b/v2/{parent=projects/*/locations/*/conversations/*/participants/"
-          + "*}/suggestions:suggestSmartReplies:\001*\022\343\002\n"
-          + "\026SuggestKnowledgeAssist\0229.google.cloud.dialogflow.v2.SuggestKnowledgeAssistRequ"
-          + "est\032:.google.cloud.dialogflow.v2.Suggest"
-          + "KnowledgeAssistResponse\"\321\001\202\323\344\223\002\312\001\"Y/v2/{"
-          + "parent=projects/*/conversations/*/participants/*}/suggestions:suggestKnowledgeAs"
-          + "sist:\001*Zj\"e/v2/{parent=projects/*/locations/*/conversations/*/participants/*}/su"
-          + "ggestions:suggestKnowledgeAssist:\001*\032x\312A\031"
-          + "dialogflow.googleapis.com\322AYhttps://www.googleapis.com/auth/cloud-platform,https"
-          + "://www.googleapis.com/auth/dialogflowB\226\001\n"
-          + "\036com.google.cloud.dialogflow.v2B\020Partic"
-          + "ipantProtoP\001Z>cloud.google.com/go/dialog"
-          + "flow/apiv2/dialogflowpb;dialogflowpb\242\002\002D"
-          + "F\252\002\032Google.Cloud.Dialogflow.V2b\006proto3"
+          + "\021CreateParticipant\0224.google.cloud.dialogflow.v2.Create"
+          + "ParticipantRequest\032\'.google.cloud.dialog"
+          + "flow.v2.Participant\"\260\001\332A\022parent,particip"
+          + "ant\202\323\344\223\002\224\001\"4/v2/{parent=projects/*/conve"
+          + "rsations/*}/participants:\013participantZO\"@/v2/{parent=projects/*/locations/*/conv"
+          + "ersations/*}/participants:\013participant\022\366\001\n"
+          + "\016GetParticipant\0221.google.cloud.dialogf"
+          + "low.v2.GetParticipantRequest\032\'.google.cl"
+          + "oud.dialogflow.v2.Participant\"\207\001\332A\004name\202"
+          + "\323\344\223\002z\0224/v2/{name=projects/*/conversation"
+          + "s/*/participants/*}ZB\022@/v2/{name=project"
+          + "s/*/locations/*/conversations/*/participants/*}\022\211\002\n"
+          + "\020ListParticipants\0223.google.cloud.dialogflow.v2.ListParticipantsReques"
+          + "t\0324.google.cloud.dialogflow.v2.ListParti"
+          + "cipantsResponse\"\211\001\332A\006parent\202\323\344\223\002z\0224/v2/{"
+          + "parent=projects/*/conversations/*}/parti"
+          + "cipantsZB\022@/v2/{parent=projects/*/locations/*/conversations/*}/participants\022\302\002\n"
+          + "\021UpdateParticipant\0224.google.cloud.dialogf"
+          + "low.v2.UpdateParticipantRequest\032\'.google"
+          + ".cloud.dialogflow.v2.Participant\"\315\001\332A\027pa"
+          + "rticipant,update_mask\202\323\344\223\002\254\0012@/v2/{parti"
+          + "cipant.name=projects/*/conversations/*/participants/*}:\013participantZ[2L/v2/{part"
+          + "icipant.name=projects/*/locations/*/conv"
+          + "ersations/*/participants/*}:\013participant\022\372\002\n"
+          + "\016AnalyzeContent\0221.google.cloud.dialogflow.v2.AnalyzeContentRequest\0322.google."
+          + "cloud.dialogflow.v2.AnalyzeContentRespon"
+          + "se\"\200\002\332A\026participant,text_input\332A\027partici"
+          + "pant,event_input\332A\027participant,audio_inp"
+          + "ut\202\323\344\223\002\254\001\"J/v2/{participant=projects/*/c"
+          + "onversations/*/participants/*}:analyzeContent:\001*Z[\"V/v2/{participant=projects/*/"
+          + "locations/*/conversations/*/participants/*}:analyzeContent:\001*\022\230\001\n"
+          + "\027StreamingAnalyzeContent\022:.google.cloud.dialogflow.v2.S"
+          + "treamingAnalyzeContentRequest\032;.google.c"
+          + "loud.dialogflow.v2.StreamingAnalyzeContentResponse\"\000(\0010\001\022\244\001\n"
+          + "\033BidiStreamingAnalyzeContent\022>.google.cloud.dialogflow.v2.Bi"
+          + "diStreamingAnalyzeContentRequest\032?.googl"
+          + "e.cloud.dialogflow.v2.BidiStreamingAnalyzeContentResponse\"\000(\0010\001\022\302\001\n"
+          + "%StreamingReactiveCompanionSuggestions\022H.google.cloud"
+          + ".dialogflow.v2.StreamingReactiveCompanionSuggestionsRequest\032I.google.cloud.dialo"
+          + "gflow.v2.StreamingReactiveCompanionSuggestionsResponse\"\000(\0010\001\022\311\002\n"
+          + "\017SuggestArticles\0222.google.cloud.dialogflow.v2.SuggestArt"
+          + "iclesRequest\0323.google.cloud.dialogflow.v"
+          + "2.SuggestArticlesResponse\"\314\001\332A\006parent\202\323\344"
+          + "\223\002\274\001\"R/v2/{parent=projects/*/conversatio"
+          + "ns/*/participants/*}/suggestions:suggestArticles:\001*Zc\"^/v2/{parent=projects/*/lo"
+          + "cations/*/conversations/*/participants/*}/suggestions:suggestArticles:\001*\022\323\002\n"
+          + "\021SuggestFaqAnswers\0224.google.cloud.dialogflow"
+          + ".v2.SuggestFaqAnswersRequest\0325.google.cloud.dialogflow.v2.SuggestFaqAnswersRespo"
+          + "nse\"\320\001\332A\006parent\202\323\344\223\002\300\001\"T/v2/{parent=proj"
+          + "ects/*/conversations/*/participants/*}/suggestions:suggestFaqAnswers:\001*Ze\"`/v2/{"
+          + "parent=projects/*/locations/*/conversati"
+          + "ons/*/participants/*}/suggestions:suggestFaqAnswers:\001*\022\335\002\n"
+          + "\023SuggestSmartReplies\0226.google.cloud.dialogflow.v2.SuggestSmart"
+          + "RepliesRequest\0327.google.cloud.dialogflow"
+          + ".v2.SuggestSmartRepliesResponse\"\324\001\332A\006par"
+          + "ent\202\323\344\223\002\304\001\"V/v2/{parent=projects/*/conve"
+          + "rsations/*/participants/*}/suggestions:suggestSmartReplies:\001*Zg\"b/v2/{parent=pro"
+          + "jects/*/locations/*/conversations/*/part"
+          + "icipants/*}/suggestions:suggestSmartReplies:\001*\022\343\002\n"
+          + "\026SuggestKnowledgeAssist\0229.google.cloud.dialogflow.v2.SuggestKnowledgeA"
+          + "ssistRequest\032:.google.cloud.dialogflow.v"
+          + "2.SuggestKnowledgeAssistResponse\"\321\001\202\323\344\223\002"
+          + "\312\001\"Y/v2/{parent=projects/*/conversations"
+          + "/*/participants/*}/suggestions:suggestKnowledgeAssist:\001*Zj\"e/v2/{parent=projects"
+          + "/*/locations/*/conversations/*/participants/*}/suggestions:suggestKnowledgeAssis"
+          + "t:\001*\032x\312A\031dialogflow.googleapis.com\322AYhtt"
+          + "ps://www.googleapis.com/auth/cloud-platf"
+          + "orm,https://www.googleapis.com/auth/dialogflowB\226\001\n"
+          + "\036com.google.cloud.dialogflow.v2B\020ParticipantProtoP\001Z>cloud.google.com/"
+          + "go/dialogflow/apiv2/dialogflowpb;dialogf"
+          + "lowpb\242\002\002DF\252\002\032Google.Cloud.Dialogflow.V2b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -1053,6 +1126,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Name",
               "Content",
+              "ResponseMessages",
               "LanguageCode",
               "Participant",
               "ParticipantRole",
@@ -1326,9 +1400,15 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             internal_static_google_cloud_dialogflow_v2_AutomatedAgentReply_descriptor,
             new java.lang.String[] {
               "DetectIntentResponse",
+              "ResponseMessages",
+              "Intent",
+              "Event",
+              "MatchConfidence",
+              "Parameters",
               "AutomatedAgentReplyType",
               "AllowCancellation",
               "CxCurrentPage",
+              "CallCompanionAuthCode",
             });
     internal_static_google_cloud_dialogflow_v2_ArticleAnswer_descriptor =
         getDescriptor().getMessageType(26);
@@ -1450,8 +1530,69 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
             new java.lang.String[] {
               "Key", "Value",
             });
-    internal_static_google_cloud_dialogflow_v2_SuggestKnowledgeAssistRequest_descriptor =
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor =
         getDescriptor().getMessageType(37);
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor,
+            new java.lang.String[] {
+              "Text",
+              "Payload",
+              "LiveAgentHandoff",
+              "EndInteraction",
+              "MixedAudio",
+              "TelephonyTransferCall",
+              "Message",
+            });
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_descriptor =
+        internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor.getNestedType(0);
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_descriptor,
+            new java.lang.String[] {
+              "Text",
+            });
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_descriptor =
+        internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor.getNestedType(1);
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_descriptor,
+            new java.lang.String[] {
+              "Metadata",
+            });
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_descriptor =
+        internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor.getNestedType(2);
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_descriptor,
+            new java.lang.String[] {});
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_descriptor =
+        internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor.getNestedType(3);
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_descriptor,
+            new java.lang.String[] {
+              "Segments",
+            });
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_descriptor =
+        internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_descriptor
+            .getNestedType(0);
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_descriptor,
+            new java.lang.String[] {
+              "Audio", "Uri", "AllowPlaybackInterruption", "Content",
+            });
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_descriptor =
+        internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor.getNestedType(4);
+    internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_descriptor,
+            new java.lang.String[] {
+              "PhoneNumber", "SipUri", "Endpoint",
+            });
+    internal_static_google_cloud_dialogflow_v2_SuggestKnowledgeAssistRequest_descriptor =
+        getDescriptor().getMessageType(38);
     internal_static_google_cloud_dialogflow_v2_SuggestKnowledgeAssistRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_SuggestKnowledgeAssistRequest_descriptor,
@@ -1459,7 +1600,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parent", "LatestMessage", "ContextSize", "PreviousSuggestedQuery",
             });
     internal_static_google_cloud_dialogflow_v2_SuggestKnowledgeAssistResponse_descriptor =
-        getDescriptor().getMessageType(38);
+        getDescriptor().getMessageType(39);
     internal_static_google_cloud_dialogflow_v2_SuggestKnowledgeAssistResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_SuggestKnowledgeAssistResponse_descriptor,
@@ -1470,7 +1611,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "AdditionalSuggestedQueryResults",
             });
     internal_static_google_cloud_dialogflow_v2_IngestedContextReferenceDebugInfo_descriptor =
-        getDescriptor().getMessageType(39);
+        getDescriptor().getMessageType(40);
     internal_static_google_cloud_dialogflow_v2_IngestedContextReferenceDebugInfo_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_IngestedContextReferenceDebugInfo_descriptor,
@@ -1487,7 +1628,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Parameter", "IngestionStatus",
             });
     internal_static_google_cloud_dialogflow_v2_ServiceLatency_descriptor =
-        getDescriptor().getMessageType(40);
+        getDescriptor().getMessageType(41);
     internal_static_google_cloud_dialogflow_v2_ServiceLatency_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_ServiceLatency_descriptor,
@@ -1503,7 +1644,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Step", "LatencyMs", "StartTime", "CompleteTime",
             });
     internal_static_google_cloud_dialogflow_v2_KnowledgeAssistDebugInfo_descriptor =
-        getDescriptor().getMessageType(41);
+        getDescriptor().getMessageType(42);
     internal_static_google_cloud_dialogflow_v2_KnowledgeAssistDebugInfo_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_KnowledgeAssistDebugInfo_descriptor,
@@ -1558,7 +1699,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "SimilarityToLastQueryThreshold",
             });
     internal_static_google_cloud_dialogflow_v2_KnowledgeAssistAnswer_descriptor =
-        getDescriptor().getMessageType(42);
+        getDescriptor().getMessageType(43);
     internal_static_google_cloud_dialogflow_v2_KnowledgeAssistAnswer_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_KnowledgeAssistAnswer_descriptor,
@@ -1643,7 +1784,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Event", "Snippets",
             });
     internal_static_google_cloud_dialogflow_v2_StreamingReactiveCompanionSuggestionsRequest_descriptor =
-        getDescriptor().getMessageType(43);
+        getDescriptor().getMessageType(44);
     internal_static_google_cloud_dialogflow_v2_StreamingReactiveCompanionSuggestionsRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_StreamingReactiveCompanionSuggestionsRequest_descriptor,
@@ -1651,13 +1792,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Participant", "TextInput", "CancelReactiveQuery", "SuggestionInput", "Input",
             });
     internal_static_google_cloud_dialogflow_v2_CancelQuery_descriptor =
-        getDescriptor().getMessageType(44);
+        getDescriptor().getMessageType(45);
     internal_static_google_cloud_dialogflow_v2_CancelQuery_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_CancelQuery_descriptor,
             new java.lang.String[] {});
     internal_static_google_cloud_dialogflow_v2_StreamingReactiveCompanionSuggestionsResponse_descriptor =
-        getDescriptor().getMessageType(45);
+        getDescriptor().getMessageType(46);
     internal_static_google_cloud_dialogflow_v2_StreamingReactiveCompanionSuggestionsResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_StreamingReactiveCompanionSuggestionsResponse_descriptor,
@@ -1682,7 +1823,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Response", "GroundingMetadata", "ToolCalls",
             });
     internal_static_google_cloud_dialogflow_v2_BidiStreamingAnalyzeContentRequest_descriptor =
-        getDescriptor().getMessageType(46);
+        getDescriptor().getMessageType(47);
     internal_static_google_cloud_dialogflow_v2_BidiStreamingAnalyzeContentRequest_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_BidiStreamingAnalyzeContentRequest_descriptor,
@@ -1717,6 +1858,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "EnableStreamingSynthesize",
               "GeminiAsrConfig",
               "UseGeminiAsr",
+              "DisableInterimInputTranscripts",
             });
     internal_static_google_cloud_dialogflow_v2_BidiStreamingAnalyzeContentRequest_TurnInput_descriptor =
         internal_static_google_cloud_dialogflow_v2_BidiStreamingAnalyzeContentRequest_descriptor
@@ -1737,7 +1879,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Audio", "Dtmf", "Turn", "Input",
             });
     internal_static_google_cloud_dialogflow_v2_BidiStreamingAnalyzeContentResponse_descriptor =
-        getDescriptor().getMessageType(47);
+        getDescriptor().getMessageType(48);
     internal_static_google_cloud_dialogflow_v2_BidiStreamingAnalyzeContentResponse_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_BidiStreamingAnalyzeContentResponse_descriptor,
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ResponseMessage.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ResponseMessage.java
new file mode 100644
index 000000000000..1210b8e10a23
--- /dev/null
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ResponseMessage.java
@@ -0,0 +1,7520 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/dialogflow/v2/participant.proto
+// Protobuf Java Version: 4.33.6
+
+package com.google.cloud.dialogflow.v2;
+
+/**
+ *
+ *
+ * 
+ * Response messages from an automated agent.
+ * 

+ *
+ * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage}
+ */
+@com.google.protobuf.Generated
+public final class ResponseMessage extends com.google.protobuf.GeneratedMessage
+    implements
+    // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.v2.ResponseMessage)
+    ResponseMessageOrBuilder {
+  private static final long serialVersionUID = 0L;
+
+  static {
+    com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+        com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+        /* major= */ 4,
+        /* minor= */ 33,
+        /* patch= */ 6,
+        /* suffix= */ "",
+        "ResponseMessage");
+  }
+
+  // Use ResponseMessage.newBuilder() to construct.
+  private ResponseMessage(com.google.protobuf.GeneratedMessage.Builder builder) {
+    super(builder);
+  }
+
+  private ResponseMessage() {}
+
+  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    return com.google.cloud.dialogflow.v2.ParticipantProto
+        .internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.cloud.dialogflow.v2.ParticipantProto
+        .internal_static_google_cloud_dialogflow_v2_ResponseMessage_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.cloud.dialogflow.v2.ResponseMessage.class,
+            com.google.cloud.dialogflow.v2.ResponseMessage.Builder.class);
+  }
+
+  public interface TextOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.v2.ResponseMessage.Text)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * 
+     * A collection of text response variants. If multiple variants are
+     * defined, only one text response variant is returned at runtime.
+     * 

+     *
+     * repeated string text = 1;
+     *
+     * @return A list containing the text.
+     */
+    java.util.List getTextList();
+
+    /**
+     *
+     *
+     * 
+     * A collection of text response variants. If multiple variants are
+     * defined, only one text response variant is returned at runtime.
+     * 

+     *
+     * repeated string text = 1;
+     *
+     * @return The count of text.
+     */
+    int getTextCount();
+
+    /**
+     *
+     *
+     * 
+     * A collection of text response variants. If multiple variants are
+     * defined, only one text response variant is returned at runtime.
+     * 

+     *
+     * repeated string text = 1;
+     *
+     * @param index The index of the element to return.
+     * @return The text at the given index.
+     */
+    java.lang.String getText(int index);
+
+    /**
+     *
+     *
+     * 
+     * A collection of text response variants. If multiple variants are
+     * defined, only one text response variant is returned at runtime.
+     * 

+     *
+     * repeated string text = 1;
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the text at the given index.
+     */
+    com.google.protobuf.ByteString getTextBytes(int index);
+  }
+
+  /**
+   *
+   *
+   * 
+   * The text response message.
+   * 

+   *
+   * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.Text}
+   */
+  public static final class Text extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.v2.ResponseMessage.Text)
+      TextOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 6,
+          /* suffix= */ "",
+          "Text");
+    }
+
+    // Use Text.newBuilder() to construct.
+    private Text(com.google.protobuf.GeneratedMessage.Builder builder) {
+      super(builder);
+    }
+
+    private Text() {
+      text_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.v2.ResponseMessage.Text.class,
+              com.google.cloud.dialogflow.v2.ResponseMessage.Text.Builder.class);
+    }
+
+    public static final int TEXT_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private com.google.protobuf.LazyStringArrayList text_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+
+    /**
+     *
+     *
+     * 
+     * A collection of text response variants. If multiple variants are
+     * defined, only one text response variant is returned at runtime.
+     * 

+     *
+     * repeated string text = 1;
+     *
+     * @return A list containing the text.
+     */
+    public com.google.protobuf.ProtocolStringList getTextList() {
+      return text_;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A collection of text response variants. If multiple variants are
+     * defined, only one text response variant is returned at runtime.
+     * 

+     *
+     * repeated string text = 1;
+     *
+     * @return The count of text.
+     */
+    public int getTextCount() {
+      return text_.size();
+    }
+
+    /**
+     *
+     *
+     * 
+     * A collection of text response variants. If multiple variants are
+     * defined, only one text response variant is returned at runtime.
+     * 

+     *
+     * repeated string text = 1;
+     *
+     * @param index The index of the element to return.
+     * @return The text at the given index.
+     */
+    public java.lang.String getText(int index) {
+      return text_.get(index);
+    }
+
+    /**
+     *
+     *
+     * 
+     * A collection of text response variants. If multiple variants are
+     * defined, only one text response variant is returned at runtime.
+     * 

+     *
+     * repeated string text = 1;
+     *
+     * @param index The index of the value to return.
+     * @return The bytes of the text at the given index.
+     */
+    public com.google.protobuf.ByteString getTextBytes(int index) {
+      return text_.getByteString(index);
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      for (int i = 0; i < text_.size(); i++) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, text_.getRaw(i));
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      {
+        int dataSize = 0;
+        for (int i = 0; i < text_.size(); i++) {
+          dataSize += computeStringSizeNoTag(text_.getRaw(i));
+        }
+        size += dataSize;
+        size += 1 * getTextList().size();
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.dialogflow.v2.ResponseMessage.Text)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.dialogflow.v2.ResponseMessage.Text other =
+          (com.google.cloud.dialogflow.v2.ResponseMessage.Text) obj;
+
+      if (!getTextList().equals(other.getTextList())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (getTextCount() > 0) {
+        hash = (37 * hash) + TEXT_FIELD_NUMBER;
+        hash = (53 * hash) + getTextList().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.dialogflow.v2.ResponseMessage.Text prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * 
+     * The text response message.
+     * 

+     *
+     * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.Text}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2.ResponseMessage.Text)
+        com.google.cloud.dialogflow.v2.ResponseMessage.TextOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.dialogflow.v2.ResponseMessage.Text.class,
+                com.google.cloud.dialogflow.v2.ResponseMessage.Text.Builder.class);
+      }
+
+      // Construct using com.google.cloud.dialogflow.v2.ResponseMessage.Text.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        text_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_Text_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.Text getDefaultInstanceForType() {
+        return com.google.cloud.dialogflow.v2.ResponseMessage.Text.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.Text build() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.Text result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.Text buildPartial() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.Text result =
+            new com.google.cloud.dialogflow.v2.ResponseMessage.Text(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(com.google.cloud.dialogflow.v2.ResponseMessage.Text result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          text_.makeImmutable();
+          result.text_ = text_;
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+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.dialogflow.v2.ResponseMessage.Text) {
+          return mergeFrom((com.google.cloud.dialogflow.v2.ResponseMessage.Text) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.dialogflow.v2.ResponseMessage.Text other) {
+        if (other == com.google.cloud.dialogflow.v2.ResponseMessage.Text.getDefaultInstance())
+          return this;
+        if (!other.text_.isEmpty()) {
+          if (text_.isEmpty()) {
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+          onChanged();
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
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+          while (!done) {
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+            switch (tag) {
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+                done = true;
+                break;
+              case 10:
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+                  java.lang.String s = input.readStringRequireUtf8();
+                  ensureTextIsMutable();
+                  text_.add(s);
+                  break;
+                } // case 10
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+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
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+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
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+
+      private int bitField0_;
+
+      private com.google.protobuf.LazyStringArrayList text_ =
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+
+      /**
+       *
+       *
+       * 
+       * A collection of text response variants. If multiple variants are
+       * defined, only one text response variant is returned at runtime.
+       * 

+       *
+       * repeated string text = 1;
+       *
+       * @return A list containing the text.
+       */
+      public com.google.protobuf.ProtocolStringList getTextList() {
+        text_.makeImmutable();
+        return text_;
+      }
+
+      /**
+       *
+       *
+       * 
+       * A collection of text response variants. If multiple variants are
+       * defined, only one text response variant is returned at runtime.
+       * 

+       *
+       * repeated string text = 1;
+       *
+       * @return The count of text.
+       */
+      public int getTextCount() {
+        return text_.size();
+      }
+
+      /**
+       *
+       *
+       * 
+       * A collection of text response variants. If multiple variants are
+       * defined, only one text response variant is returned at runtime.
+       * 

+       *
+       * repeated string text = 1;
+       *
+       * @param index The index of the element to return.
+       * @return The text at the given index.
+       */
+      public java.lang.String getText(int index) {
+        return text_.get(index);
+      }
+
+      /**
+       *
+       *
+       * 
+       * A collection of text response variants. If multiple variants are
+       * defined, only one text response variant is returned at runtime.
+       * 

+       *
+       * repeated string text = 1;
+       *
+       * @param index The index of the value to return.
+       * @return The bytes of the text at the given index.
+       */
+      public com.google.protobuf.ByteString getTextBytes(int index) {
+        return text_.getByteString(index);
+      }
+
+      /**
+       *
+       *
+       * 
+       * A collection of text response variants. If multiple variants are
+       * defined, only one text response variant is returned at runtime.
+       * 

+       *
+       * repeated string text = 1;
+       *
+       * @param index The index to set the value at.
+       * @param value The text to set.
+       * @return This builder for chaining.
+       */
+      public Builder setText(int index, java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
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+        ensureTextIsMutable();
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+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * A collection of text response variants. If multiple variants are
+       * defined, only one text response variant is returned at runtime.
+       * 

+       *
+       * repeated string text = 1;
+       *
+       * @param value The text to add.
+       * @return This builder for chaining.
+       */
+      public Builder addText(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureTextIsMutable();
+        text_.add(value);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * A collection of text response variants. If multiple variants are
+       * defined, only one text response variant is returned at runtime.
+       * 

+       *
+       * repeated string text = 1;
+       *
+       * @param values The text to add.
+       * @return This builder for chaining.
+       */
+      public Builder addAllText(java.lang.Iterable values) {
+        ensureTextIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, text_);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * A collection of text response variants. If multiple variants are
+       * defined, only one text response variant is returned at runtime.
+       * 

+       *
+       * repeated string text = 1;
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearText() {
+        text_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);
+        ;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * A collection of text response variants. If multiple variants are
+       * defined, only one text response variant is returned at runtime.
+       * 

+       *
+       * repeated string text = 1;
+       *
+       * @param value The bytes of the text to add.
+       * @return This builder for chaining.
+       */
+      public Builder addTextBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        ensureTextIsMutable();
+        text_.add(value);
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.ResponseMessage.Text)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2.ResponseMessage.Text)
+    private static final com.google.cloud.dialogflow.v2.ResponseMessage.Text DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.dialogflow.v2.ResponseMessage.Text();
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.Text getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser PARSER =
+        new com.google.protobuf.AbstractParser() {
+          @java.lang.Override
+          public Text parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.Text getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface LiveAgentHandoffOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * 
+     * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+     * any structure on this.
+     * 

+     *
+     * .google.protobuf.Struct metadata = 1;
+     *
+     * @return Whether the metadata field is set.
+     */
+    boolean hasMetadata();
+
+    /**
+     *
+     *
+     * 
+     * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+     * any structure on this.
+     * 

+     *
+     * .google.protobuf.Struct metadata = 1;
+     *
+     * @return The metadata.
+     */
+    com.google.protobuf.Struct getMetadata();
+
+    /**
+     *
+     *
+     * 
+     * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+     * any structure on this.
+     * 

+     *
+     * .google.protobuf.Struct metadata = 1;
+     */
+    com.google.protobuf.StructOrBuilder getMetadataOrBuilder();
+  }
+
+  /**
+   *
+   *
+   * 
+   * Indicates that the conversation should be handed off to a human agent.
+   *
+   * Dialogflow only uses this to determine which conversations were handed off
+   * to a human agent for measurement purposes. What else to do with this signal
+   * is up to you and your handoff procedures.
+   *
+   * You may set this, for example:
+   *
+   * * In the entry fulfillment of a CX Page if entering the page indicates
+   * something went extremely wrong in the conversation.
+   * * In a webhook response when you determine that the customer issue can only
+   * be handled by a human.
+   * 

+   *
+   * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff}
+   */
+  public static final class LiveAgentHandoff extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff)
+      LiveAgentHandoffOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 6,
+          /* suffix= */ "",
+          "LiveAgentHandoff");
+    }
+
+    // Use LiveAgentHandoff.newBuilder() to construct.
+    private LiveAgentHandoff(com.google.protobuf.GeneratedMessage.Builder builder) {
+      super(builder);
+    }
+
+    private LiveAgentHandoff() {}
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.class,
+              com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.Builder.class);
+    }
+
+    private int bitField0_;
+    public static final int METADATA_FIELD_NUMBER = 1;
+    private com.google.protobuf.Struct metadata_;
+
+    /**
+     *
+     *
+     * 
+     * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+     * any structure on this.
+     * 

+     *
+     * .google.protobuf.Struct metadata = 1;
+     *
+     * @return Whether the metadata field is set.
+     */
+    @java.lang.Override
+    public boolean hasMetadata() {
+      return ((bitField0_ & 0x00000001) != 0);
+    }
+
+    /**
+     *
+     *
+     * 
+     * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+     * any structure on this.
+     * 

+     *
+     * .google.protobuf.Struct metadata = 1;
+     *
+     * @return The metadata.
+     */
+    @java.lang.Override
+    public com.google.protobuf.Struct getMetadata() {
+      return metadata_ == null ? com.google.protobuf.Struct.getDefaultInstance() : metadata_;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+     * any structure on this.
+     * 

+     *
+     * .google.protobuf.Struct metadata = 1;
+     */
+    @java.lang.Override
+    public com.google.protobuf.StructOrBuilder getMetadataOrBuilder() {
+      return metadata_ == null ? com.google.protobuf.Struct.getDefaultInstance() : metadata_;
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (((bitField0_ & 0x00000001) != 0)) {
+        output.writeMessage(1, getMetadata());
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) != 0)) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getMetadata());
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff other =
+          (com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) obj;
+
+      if (hasMetadata() != other.hasMetadata()) return false;
+      if (hasMetadata()) {
+        if (!getMetadata().equals(other.getMetadata())) return false;
+      }
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (hasMetadata()) {
+        hash = (37 * hash) + METADATA_FIELD_NUMBER;
+        hash = (53 * hash) + getMetadata().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Indicates that the conversation should be handed off to a human agent.
+     *
+     * Dialogflow only uses this to determine which conversations were handed off
+     * to a human agent for measurement purposes. What else to do with this signal
+     * is up to you and your handoff procedures.
+     *
+     * You may set this, for example:
+     *
+     * * In the entry fulfillment of a CX Page if entering the page indicates
+     * something went extremely wrong in the conversation.
+     * * In a webhook response when you determine that the customer issue can only
+     * be handled by a human.
+     * 

+     *
+     * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff)
+        com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoffOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.class,
+                com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          internalGetMetadataFieldBuilder();
+        }
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        metadata_ = null;
+        if (metadataBuilder_ != null) {
+          metadataBuilder_.dispose();
+          metadataBuilder_ = null;
+        }
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_LiveAgentHandoff_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff
+          getDefaultInstanceForType() {
+        return com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff build() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff buildPartial() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff result =
+            new com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff result) {
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.metadata_ = metadataBuilder_ == null ? metadata_ : metadataBuilder_.build();
+          to_bitField0_ |= 0x00000001;
+        }
+        result.bitField0_ |= to_bitField0_;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) {
+          return mergeFrom((com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff other) {
+        if (other
+            == com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.getDefaultInstance())
+          return this;
+        if (other.hasMetadata()) {
+          mergeMetadata(other.getMetadata());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  input.readMessage(
+                      internalGetMetadataFieldBuilder().getBuilder(), extensionRegistry);
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 10
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private com.google.protobuf.Struct metadata_;
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.protobuf.Struct,
+              com.google.protobuf.Struct.Builder,
+              com.google.protobuf.StructOrBuilder>
+          metadataBuilder_;
+
+      /**
+       *
+       *
+       * 
+       * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+       * any structure on this.
+       * 

+       *
+       * .google.protobuf.Struct metadata = 1;
+       *
+       * @return Whether the metadata field is set.
+       */
+      public boolean hasMetadata() {
+        return ((bitField0_ & 0x00000001) != 0);
+      }
+
+      /**
+       *
+       *
+       * 
+       * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+       * any structure on this.
+       * 

+       *
+       * .google.protobuf.Struct metadata = 1;
+       *
+       * @return The metadata.
+       */
+      public com.google.protobuf.Struct getMetadata() {
+        if (metadataBuilder_ == null) {
+          return metadata_ == null ? com.google.protobuf.Struct.getDefaultInstance() : metadata_;
+        } else {
+          return metadataBuilder_.getMessage();
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+       * any structure on this.
+       * 

+       *
+       * .google.protobuf.Struct metadata = 1;
+       */
+      public Builder setMetadata(com.google.protobuf.Struct value) {
+        if (metadataBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          metadata_ = value;
+        } else {
+          metadataBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+       * any structure on this.
+       * 

+       *
+       * .google.protobuf.Struct metadata = 1;
+       */
+      public Builder setMetadata(com.google.protobuf.Struct.Builder builderForValue) {
+        if (metadataBuilder_ == null) {
+          metadata_ = builderForValue.build();
+        } else {
+          metadataBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+       * any structure on this.
+       * 

+       *
+       * .google.protobuf.Struct metadata = 1;
+       */
+      public Builder mergeMetadata(com.google.protobuf.Struct value) {
+        if (metadataBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) != 0)
+              && metadata_ != null
+              && metadata_ != com.google.protobuf.Struct.getDefaultInstance()) {
+            getMetadataBuilder().mergeFrom(value);
+          } else {
+            metadata_ = value;
+          }
+        } else {
+          metadataBuilder_.mergeFrom(value);
+        }
+        if (metadata_ != null) {
+          bitField0_ |= 0x00000001;
+          onChanged();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+       * any structure on this.
+       * 

+       *
+       * .google.protobuf.Struct metadata = 1;
+       */
+      public Builder clearMetadata() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        metadata_ = null;
+        if (metadataBuilder_ != null) {
+          metadataBuilder_.dispose();
+          metadataBuilder_ = null;
+        }
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+       * any structure on this.
+       * 

+       *
+       * .google.protobuf.Struct metadata = 1;
+       */
+      public com.google.protobuf.Struct.Builder getMetadataBuilder() {
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return internalGetMetadataFieldBuilder().getBuilder();
+      }
+
+      /**
+       *
+       *
+       * 
+       * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+       * any structure on this.
+       * 

+       *
+       * .google.protobuf.Struct metadata = 1;
+       */
+      public com.google.protobuf.StructOrBuilder getMetadataOrBuilder() {
+        if (metadataBuilder_ != null) {
+          return metadataBuilder_.getMessageOrBuilder();
+        } else {
+          return metadata_ == null ? com.google.protobuf.Struct.getDefaultInstance() : metadata_;
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Custom metadata for your handoff procedure. Dialogflow doesn't impose
+       * any structure on this.
+       * 

+       *
+       * .google.protobuf.Struct metadata = 1;
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+              com.google.protobuf.Struct,
+              com.google.protobuf.Struct.Builder,
+              com.google.protobuf.StructOrBuilder>
+          internalGetMetadataFieldBuilder() {
+        if (metadataBuilder_ == null) {
+          metadataBuilder_ =
+              new com.google.protobuf.SingleFieldBuilder<
+                  com.google.protobuf.Struct,
+                  com.google.protobuf.Struct.Builder,
+                  com.google.protobuf.StructOrBuilder>(
+                  getMetadata(), getParentForChildren(), isClean());
+          metadata_ = null;
+        }
+        return metadataBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff)
+    private static final com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff();
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser PARSER =
+        new com.google.protobuf.AbstractParser() {
+          @java.lang.Override
+          public LiveAgentHandoff parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface EndInteractionOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.v2.ResponseMessage.EndInteraction)
+      com.google.protobuf.MessageOrBuilder {}
+
+  /**
+   *
+   *
+   * 
+   * Indicates that interaction with the Dialogflow agent has ended.
+   * 

+   *
+   * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.EndInteraction}
+   */
+  public static final class EndInteraction extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.v2.ResponseMessage.EndInteraction)
+      EndInteractionOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 6,
+          /* suffix= */ "",
+          "EndInteraction");
+    }
+
+    // Use EndInteraction.newBuilder() to construct.
+    private EndInteraction(com.google.protobuf.GeneratedMessage.Builder builder) {
+      super(builder);
+    }
+
+    private EndInteraction() {}
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.class,
+              com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.Builder.class);
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction other =
+          (com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) obj;
+
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Indicates that interaction with the Dialogflow agent has ended.
+     * 

+     *
+     * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.EndInteraction}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2.ResponseMessage.EndInteraction)
+        com.google.cloud.dialogflow.v2.ResponseMessage.EndInteractionOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.class,
+                com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.Builder.class);
+      }
+
+      // Construct using com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_EndInteraction_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction
+          getDefaultInstanceForType() {
+        return com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction build() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction buildPartial() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction result =
+            new com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction(this);
+        onBuilt();
+        return result;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) {
+          return mergeFrom((com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction other) {
+        if (other
+            == com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.getDefaultInstance())
+          return this;
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.ResponseMessage.EndInteraction)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2.ResponseMessage.EndInteraction)
+    private static final com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction();
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser PARSER =
+        new com.google.protobuf.AbstractParser() {
+          @java.lang.Override
+          public EndInteraction parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface MixedAudioOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    java.util.List
+        getSegmentsList();
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment getSegments(int index);
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    int getSegmentsCount();
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    java.util.List<
+            ? extends com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder>
+        getSegmentsOrBuilderList();
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder getSegmentsOrBuilder(
+        int index);
+  }
+
+  /**
+   *
+   *
+   * 
+   * Represents an audio message that is composed of both segments
+   * synthesized from the Dialogflow agent prompts and ones hosted externally
+   * at the specified URIs.
+   * 

+   *
+   * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.MixedAudio}
+   */
+  public static final class MixedAudio extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio)
+      MixedAudioOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 6,
+          /* suffix= */ "",
+          "MixedAudio");
+    }
+
+    // Use MixedAudio.newBuilder() to construct.
+    private MixedAudio(com.google.protobuf.GeneratedMessage.Builder builder) {
+      super(builder);
+    }
+
+    private MixedAudio() {
+      segments_ = java.util.Collections.emptyList();
+    }
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.class,
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Builder.class);
+    }
+
+    public interface SegmentOrBuilder
+        extends
+        // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment)
+        com.google.protobuf.MessageOrBuilder {
+
+      /**
+       *
+       *
+       * 
+       * Raw audio synthesized from the Dialogflow agent's response using
+       * the output config specified in the request.
+       * 

+       *
+       * bytes audio = 1;
+       *
+       * @return Whether the audio field is set.
+       */
+      boolean hasAudio();
+
+      /**
+       *
+       *
+       * 
+       * Raw audio synthesized from the Dialogflow agent's response using
+       * the output config specified in the request.
+       * 

+       *
+       * bytes audio = 1;
+       *
+       * @return The audio.
+       */
+      com.google.protobuf.ByteString getAudio();
+
+      /**
+       *
+       *
+       * 
+       * Client-specific URI that points to an audio clip accessible to the
+       * client.
+       * 

+       *
+       * string uri = 2;
+       *
+       * @return Whether the uri field is set.
+       */
+      boolean hasUri();
+
+      /**
+       *
+       *
+       * 
+       * Client-specific URI that points to an audio clip accessible to the
+       * client.
+       * 

+       *
+       * string uri = 2;
+       *
+       * @return The uri.
+       */
+      java.lang.String getUri();
+
+      /**
+       *
+       *
+       * 
+       * Client-specific URI that points to an audio clip accessible to the
+       * client.
+       * 

+       *
+       * string uri = 2;
+       *
+       * @return The bytes for uri.
+       */
+      com.google.protobuf.ByteString getUriBytes();
+
+      /**
+       *
+       *
+       * 
+       * Whether the playback of this segment can be interrupted by the end
+       * user's speech and the client should then start the next Dialogflow
+       * request.
+       * 

+       *
+       * bool allow_playback_interruption = 3;
+       *
+       * @return The allowPlaybackInterruption.
+       */
+      boolean getAllowPlaybackInterruption();
+
+      com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.ContentCase
+          getContentCase();
+    }
+
+    /**
+     *
+     *
+     * 
+     * Represents one segment of audio.
+     * 

+     *
+     * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment}
+     */
+    public static final class Segment extends com.google.protobuf.GeneratedMessage
+        implements
+        // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment)
+        SegmentOrBuilder {
+      private static final long serialVersionUID = 0L;
+
+      static {
+        com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+            com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+            /* major= */ 4,
+            /* minor= */ 33,
+            /* patch= */ 6,
+            /* suffix= */ "",
+            "Segment");
+      }
+
+      // Use Segment.newBuilder() to construct.
+      private Segment(com.google.protobuf.GeneratedMessage.Builder builder) {
+        super(builder);
+      }
+
+      private Segment() {}
+
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.class,
+                com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder.class);
+      }
+
+      private int contentCase_ = 0;
+
+      @SuppressWarnings("serial")
+      private java.lang.Object content_;
+
+      public enum ContentCase
+          implements
+              com.google.protobuf.Internal.EnumLite,
+              com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+        AUDIO(1),
+        URI(2),
+        CONTENT_NOT_SET(0);
+        private final int value;
+
+        private ContentCase(int value) {
+          this.value = value;
+        }
+
+        /**
+         * @param value The number of the enum to look for.
+         * @return The enum associated with the given number.
+         * @deprecated Use {@link #forNumber(int)} instead.
+         */
+        @java.lang.Deprecated
+        public static ContentCase valueOf(int value) {
+          return forNumber(value);
+        }
+
+        public static ContentCase forNumber(int value) {
+          switch (value) {
+            case 1:
+              return AUDIO;
+            case 2:
+              return URI;
+            case 0:
+              return CONTENT_NOT_SET;
+            default:
+              return null;
+          }
+        }
+
+        public int getNumber() {
+          return this.value;
+        }
+      };
+
+      public ContentCase getContentCase() {
+        return ContentCase.forNumber(contentCase_);
+      }
+
+      public static final int AUDIO_FIELD_NUMBER = 1;
+
+      /**
+       *
+       *
+       * 
+       * Raw audio synthesized from the Dialogflow agent's response using
+       * the output config specified in the request.
+       * 

+       *
+       * bytes audio = 1;
+       *
+       * @return Whether the audio field is set.
+       */
+      @java.lang.Override
+      public boolean hasAudio() {
+        return contentCase_ == 1;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Raw audio synthesized from the Dialogflow agent's response using
+       * the output config specified in the request.
+       * 

+       *
+       * bytes audio = 1;
+       *
+       * @return The audio.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getAudio() {
+        if (contentCase_ == 1) {
+          return (com.google.protobuf.ByteString) content_;
+        }
+        return com.google.protobuf.ByteString.EMPTY;
+      }
+
+      public static final int URI_FIELD_NUMBER = 2;
+
+      /**
+       *
+       *
+       * 
+       * Client-specific URI that points to an audio clip accessible to the
+       * client.
+       * 

+       *
+       * string uri = 2;
+       *
+       * @return Whether the uri field is set.
+       */
+      public boolean hasUri() {
+        return contentCase_ == 2;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Client-specific URI that points to an audio clip accessible to the
+       * client.
+       * 

+       *
+       * string uri = 2;
+       *
+       * @return The uri.
+       */
+      public java.lang.String getUri() {
+        java.lang.Object ref = "";
+        if (contentCase_ == 2) {
+          ref = content_;
+        }
+        if (ref instanceof java.lang.String) {
+          return (java.lang.String) ref;
+        } else {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (contentCase_ == 2) {
+            content_ = s;
+          }
+          return s;
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Client-specific URI that points to an audio clip accessible to the
+       * client.
+       * 

+       *
+       * string uri = 2;
+       *
+       * @return The bytes for uri.
+       */
+      public com.google.protobuf.ByteString getUriBytes() {
+        java.lang.Object ref = "";
+        if (contentCase_ == 2) {
+          ref = content_;
+        }
+        if (ref instanceof java.lang.String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          if (contentCase_ == 2) {
+            content_ = b;
+          }
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      public static final int ALLOW_PLAYBACK_INTERRUPTION_FIELD_NUMBER = 3;
+      private boolean allowPlaybackInterruption_ = false;
+
+      /**
+       *
+       *
+       * 
+       * Whether the playback of this segment can be interrupted by the end
+       * user's speech and the client should then start the next Dialogflow
+       * request.
+       * 

+       *
+       * bool allow_playback_interruption = 3;
+       *
+       * @return The allowPlaybackInterruption.
+       */
+      @java.lang.Override
+      public boolean getAllowPlaybackInterruption() {
+        return allowPlaybackInterruption_;
+      }
+
+      private byte memoizedIsInitialized = -1;
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        byte isInitialized = memoizedIsInitialized;
+        if (isInitialized == 1) return true;
+        if (isInitialized == 0) return false;
+
+        memoizedIsInitialized = 1;
+        return true;
+      }
+
+      @java.lang.Override
+      public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+        if (contentCase_ == 1) {
+          output.writeBytes(1, (com.google.protobuf.ByteString) content_);
+        }
+        if (contentCase_ == 2) {
+          com.google.protobuf.GeneratedMessage.writeString(output, 2, content_);
+        }
+        if (allowPlaybackInterruption_ != false) {
+          output.writeBool(3, allowPlaybackInterruption_);
+        }
+        getUnknownFields().writeTo(output);
+      }
+
+      @java.lang.Override
+      public int getSerializedSize() {
+        int size = memoizedSize;
+        if (size != -1) return size;
+
+        size = 0;
+        if (contentCase_ == 1) {
+          size +=
+              com.google.protobuf.CodedOutputStream.computeBytesSize(
+                  1, (com.google.protobuf.ByteString) content_);
+        }
+        if (contentCase_ == 2) {
+          size += com.google.protobuf.GeneratedMessage.computeStringSize(2, content_);
+        }
+        if (allowPlaybackInterruption_ != false) {
+          size +=
+              com.google.protobuf.CodedOutputStream.computeBoolSize(3, allowPlaybackInterruption_);
+        }
+        size += getUnknownFields().getSerializedSize();
+        memoizedSize = size;
+        return size;
+      }
+
+      @java.lang.Override
+      public boolean equals(final java.lang.Object obj) {
+        if (obj == this) {
+          return true;
+        }
+        if (!(obj instanceof com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment)) {
+          return super.equals(obj);
+        }
+        com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment other =
+            (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment) obj;
+
+        if (getAllowPlaybackInterruption() != other.getAllowPlaybackInterruption()) return false;
+        if (!getContentCase().equals(other.getContentCase())) return false;
+        switch (contentCase_) {
+          case 1:
+            if (!getAudio().equals(other.getAudio())) return false;
+            break;
+          case 2:
+            if (!getUri().equals(other.getUri())) return false;
+            break;
+          case 0:
+          default:
+        }
+        if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+        return true;
+      }
+
+      @java.lang.Override
+      public int hashCode() {
+        if (memoizedHashCode != 0) {
+          return memoizedHashCode;
+        }
+        int hash = 41;
+        hash = (19 * hash) + getDescriptor().hashCode();
+        hash = (37 * hash) + ALLOW_PLAYBACK_INTERRUPTION_FIELD_NUMBER;
+        hash =
+            (53 * hash) + com.google.protobuf.Internal.hashBoolean(getAllowPlaybackInterruption());
+        switch (contentCase_) {
+          case 1:
+            hash = (37 * hash) + AUDIO_FIELD_NUMBER;
+            hash = (53 * hash) + getAudio().hashCode();
+            break;
+          case 2:
+            hash = (37 * hash) + URI_FIELD_NUMBER;
+            hash = (53 * hash) + getUri().hashCode();
+            break;
+          case 0:
+          default:
+        }
+        hash = (29 * hash) + getUnknownFields().hashCode();
+        memoizedHashCode = hash;
+        return hash;
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          com.google.protobuf.ByteString data)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          com.google.protobuf.ByteString data,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return PARSER.parseFrom(data, extensionRegistry);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+          parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+          parseDelimitedFrom(
+              java.io.InputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment parseFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        return com.google.protobuf.GeneratedMessage.parseWithIOException(
+            PARSER, input, extensionRegistry);
+      }
+
+      @java.lang.Override
+      public Builder newBuilderForType() {
+        return newBuilder();
+      }
+
+      public static Builder newBuilder() {
+        return DEFAULT_INSTANCE.toBuilder();
+      }
+
+      public static Builder newBuilder(
+          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment prototype) {
+        return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+      }
+
+      @java.lang.Override
+      public Builder toBuilder() {
+        return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      }
+
+      @java.lang.Override
+      protected Builder newBuilderForType(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        Builder builder = new Builder(parent);
+        return builder;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Represents one segment of audio.
+       * 

+       *
+       * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment}
+       */
+      public static final class Builder
+          extends com.google.protobuf.GeneratedMessage.Builder
+          implements
+          // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment)
+          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder {
+        public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+          return com.google.cloud.dialogflow.v2.ParticipantProto
+              .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_descriptor;
+        }
+
+        @java.lang.Override
+        protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+            internalGetFieldAccessorTable() {
+          return com.google.cloud.dialogflow.v2.ParticipantProto
+              .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_fieldAccessorTable
+              .ensureFieldAccessorsInitialized(
+                  com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.class,
+                  com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder.class);
+        }
+
+        // Construct using
+        // com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.newBuilder()
+        private Builder() {}
+
+        private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+          super(parent);
+        }
+
+        @java.lang.Override
+        public Builder clear() {
+          super.clear();
+          bitField0_ = 0;
+          allowPlaybackInterruption_ = false;
+          contentCase_ = 0;
+          content_ = null;
+          return this;
+        }
+
+        @java.lang.Override
+        public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+          return com.google.cloud.dialogflow.v2.ParticipantProto
+              .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_Segment_descriptor;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+            getDefaultInstanceForType() {
+          return com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+              .getDefaultInstance();
+        }
+
+        @java.lang.Override
+        public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment build() {
+          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment result = buildPartial();
+          if (!result.isInitialized()) {
+            throw newUninitializedMessageException(result);
+          }
+          return result;
+        }
+
+        @java.lang.Override
+        public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment buildPartial() {
+          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment result =
+              new com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment(this);
+          if (bitField0_ != 0) {
+            buildPartial0(result);
+          }
+          buildPartialOneofs(result);
+          onBuilt();
+          return result;
+        }
+
+        private void buildPartial0(
+            com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment result) {
+          int from_bitField0_ = bitField0_;
+          if (((from_bitField0_ & 0x00000004) != 0)) {
+            result.allowPlaybackInterruption_ = allowPlaybackInterruption_;
+          }
+        }
+
+        private void buildPartialOneofs(
+            com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment result) {
+          result.contentCase_ = contentCase_;
+          result.content_ = this.content_;
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(com.google.protobuf.Message other) {
+          if (other instanceof com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment) {
+            return mergeFrom(
+                (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment) other);
+          } else {
+            super.mergeFrom(other);
+            return this;
+          }
+        }
+
+        public Builder mergeFrom(
+            com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment other) {
+          if (other
+              == com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+                  .getDefaultInstance()) return this;
+          if (other.getAllowPlaybackInterruption() != false) {
+            setAllowPlaybackInterruption(other.getAllowPlaybackInterruption());
+          }
+          switch (other.getContentCase()) {
+            case AUDIO:
+              {
+                setAudio(other.getAudio());
+                break;
+              }
+            case URI:
+              {
+                contentCase_ = 2;
+                content_ = other.content_;
+                onChanged();
+                break;
+              }
+            case CONTENT_NOT_SET:
+              {
+                break;
+              }
+          }
+          this.mergeUnknownFields(other.getUnknownFields());
+          onChanged();
+          return this;
+        }
+
+        @java.lang.Override
+        public final boolean isInitialized() {
+          return true;
+        }
+
+        @java.lang.Override
+        public Builder mergeFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+          if (extensionRegistry == null) {
+            throw new java.lang.NullPointerException();
+          }
+          try {
+            boolean done = false;
+            while (!done) {
+              int tag = input.readTag();
+              switch (tag) {
+                case 0:
+                  done = true;
+                  break;
+                case 10:
+                  {
+                    content_ = input.readBytes();
+                    contentCase_ = 1;
+                    break;
+                  } // case 10
+                case 18:
+                  {
+                    java.lang.String s = input.readStringRequireUtf8();
+                    contentCase_ = 2;
+                    content_ = s;
+                    break;
+                  } // case 18
+                case 24:
+                  {
+                    allowPlaybackInterruption_ = input.readBool();
+                    bitField0_ |= 0x00000004;
+                    break;
+                  } // case 24
+                default:
+                  {
+                    if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                      done = true; // was an endgroup tag
+                    }
+                    break;
+                  } // default:
+              } // switch (tag)
+            } // while (!done)
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.unwrapIOException();
+          } finally {
+            onChanged();
+          } // finally
+          return this;
+        }
+
+        private int contentCase_ = 0;
+        private java.lang.Object content_;
+
+        public ContentCase getContentCase() {
+          return ContentCase.forNumber(contentCase_);
+        }
+
+        public Builder clearContent() {
+          contentCase_ = 0;
+          content_ = null;
+          onChanged();
+          return this;
+        }
+
+        private int bitField0_;
+
+        /**
+         *
+         *
+         * 
+         * Raw audio synthesized from the Dialogflow agent's response using
+         * the output config specified in the request.
+         * 

+         *
+         * bytes audio = 1;
+         *
+         * @return Whether the audio field is set.
+         */
+        public boolean hasAudio() {
+          return contentCase_ == 1;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Raw audio synthesized from the Dialogflow agent's response using
+         * the output config specified in the request.
+         * 

+         *
+         * bytes audio = 1;
+         *
+         * @return The audio.
+         */
+        public com.google.protobuf.ByteString getAudio() {
+          if (contentCase_ == 1) {
+            return (com.google.protobuf.ByteString) content_;
+          }
+          return com.google.protobuf.ByteString.EMPTY;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Raw audio synthesized from the Dialogflow agent's response using
+         * the output config specified in the request.
+         * 

+         *
+         * bytes audio = 1;
+         *
+         * @param value The audio to set.
+         * @return This builder for chaining.
+         */
+        public Builder setAudio(com.google.protobuf.ByteString value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          contentCase_ = 1;
+          content_ = value;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Raw audio synthesized from the Dialogflow agent's response using
+         * the output config specified in the request.
+         * 

+         *
+         * bytes audio = 1;
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearAudio() {
+          if (contentCase_ == 1) {
+            contentCase_ = 0;
+            content_ = null;
+            onChanged();
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Client-specific URI that points to an audio clip accessible to the
+         * client.
+         * 

+         *
+         * string uri = 2;
+         *
+         * @return Whether the uri field is set.
+         */
+        @java.lang.Override
+        public boolean hasUri() {
+          return contentCase_ == 2;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Client-specific URI that points to an audio clip accessible to the
+         * client.
+         * 

+         *
+         * string uri = 2;
+         *
+         * @return The uri.
+         */
+        @java.lang.Override
+        public java.lang.String getUri() {
+          java.lang.Object ref = "";
+          if (contentCase_ == 2) {
+            ref = content_;
+          }
+          if (!(ref instanceof java.lang.String)) {
+            com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+            java.lang.String s = bs.toStringUtf8();
+            if (contentCase_ == 2) {
+              content_ = s;
+            }
+            return s;
+          } else {
+            return (java.lang.String) ref;
+          }
+        }
+
+        /**
+         *
+         *
+         * 
+         * Client-specific URI that points to an audio clip accessible to the
+         * client.
+         * 

+         *
+         * string uri = 2;
+         *
+         * @return The bytes for uri.
+         */
+        @java.lang.Override
+        public com.google.protobuf.ByteString getUriBytes() {
+          java.lang.Object ref = "";
+          if (contentCase_ == 2) {
+            ref = content_;
+          }
+          if (ref instanceof String) {
+            com.google.protobuf.ByteString b =
+                com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+            if (contentCase_ == 2) {
+              content_ = b;
+            }
+            return b;
+          } else {
+            return (com.google.protobuf.ByteString) ref;
+          }
+        }
+
+        /**
+         *
+         *
+         * 
+         * Client-specific URI that points to an audio clip accessible to the
+         * client.
+         * 

+         *
+         * string uri = 2;
+         *
+         * @param value The uri to set.
+         * @return This builder for chaining.
+         */
+        public Builder setUri(java.lang.String value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          contentCase_ = 2;
+          content_ = value;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Client-specific URI that points to an audio clip accessible to the
+         * client.
+         * 

+         *
+         * string uri = 2;
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearUri() {
+          if (contentCase_ == 2) {
+            contentCase_ = 0;
+            content_ = null;
+            onChanged();
+          }
+          return this;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Client-specific URI that points to an audio clip accessible to the
+         * client.
+         * 

+         *
+         * string uri = 2;
+         *
+         * @param value The bytes for uri to set.
+         * @return This builder for chaining.
+         */
+        public Builder setUriBytes(com.google.protobuf.ByteString value) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          checkByteStringIsUtf8(value);
+          contentCase_ = 2;
+          content_ = value;
+          onChanged();
+          return this;
+        }
+
+        private boolean allowPlaybackInterruption_;
+
+        /**
+         *
+         *
+         * 
+         * Whether the playback of this segment can be interrupted by the end
+         * user's speech and the client should then start the next Dialogflow
+         * request.
+         * 

+         *
+         * bool allow_playback_interruption = 3;
+         *
+         * @return The allowPlaybackInterruption.
+         */
+        @java.lang.Override
+        public boolean getAllowPlaybackInterruption() {
+          return allowPlaybackInterruption_;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Whether the playback of this segment can be interrupted by the end
+         * user's speech and the client should then start the next Dialogflow
+         * request.
+         * 

+         *
+         * bool allow_playback_interruption = 3;
+         *
+         * @param value The allowPlaybackInterruption to set.
+         * @return This builder for chaining.
+         */
+        public Builder setAllowPlaybackInterruption(boolean value) {
+
+          allowPlaybackInterruption_ = value;
+          bitField0_ |= 0x00000004;
+          onChanged();
+          return this;
+        }
+
+        /**
+         *
+         *
+         * 
+         * Whether the playback of this segment can be interrupted by the end
+         * user's speech and the client should then start the next Dialogflow
+         * request.
+         * 

+         *
+         * bool allow_playback_interruption = 3;
+         *
+         * @return This builder for chaining.
+         */
+        public Builder clearAllowPlaybackInterruption() {
+          bitField0_ = (bitField0_ & ~0x00000004);
+          allowPlaybackInterruption_ = false;
+          onChanged();
+          return this;
+        }
+
+        // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment)
+      }
+
+      // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment)
+      private static final com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+          DEFAULT_INSTANCE;
+
+      static {
+        DEFAULT_INSTANCE = new com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment();
+      }
+
+      public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+          getDefaultInstance() {
+        return DEFAULT_INSTANCE;
+      }
+
+      private static final com.google.protobuf.Parser PARSER =
+          new com.google.protobuf.AbstractParser() {
+            @java.lang.Override
+            public Segment parsePartialFrom(
+                com.google.protobuf.CodedInputStream input,
+                com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+                throws com.google.protobuf.InvalidProtocolBufferException {
+              Builder builder = newBuilder();
+              try {
+                builder.mergeFrom(input, extensionRegistry);
+              } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+                throw e.setUnfinishedMessage(builder.buildPartial());
+              } catch (com.google.protobuf.UninitializedMessageException e) {
+                throw e.asInvalidProtocolBufferException()
+                    .setUnfinishedMessage(builder.buildPartial());
+              } catch (java.io.IOException e) {
+                throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                    .setUnfinishedMessage(builder.buildPartial());
+              }
+              return builder.buildPartial();
+            }
+          };
+
+      public static com.google.protobuf.Parser parser() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Parser getParserForType() {
+        return PARSER;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+          getDefaultInstanceForType() {
+        return DEFAULT_INSTANCE;
+      }
+    }
+
+    public static final int SEGMENTS_FIELD_NUMBER = 1;
+
+    @SuppressWarnings("serial")
+    private java.util.List
+        segments_;
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    @java.lang.Override
+    public java.util.List
+        getSegmentsList() {
+      return segments_;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    @java.lang.Override
+    public java.util.List<
+            ? extends com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder>
+        getSegmentsOrBuilderList() {
+      return segments_;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    @java.lang.Override
+    public int getSegmentsCount() {
+      return segments_.size();
+    }
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment getSegments(
+        int index) {
+      return segments_.get(index);
+    }
+
+    /**
+     *
+     *
+     * 
+     * Segments this audio response is composed of.
+     * 

+     *
+     * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+     * 
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder
+        getSegmentsOrBuilder(int index) {
+      return segments_.get(index);
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      for (int i = 0; i < segments_.size(); i++) {
+        output.writeMessage(1, segments_.get(i));
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      for (int i = 0; i < segments_.size(); i++) {
+        size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, segments_.get(i));
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio other =
+          (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) obj;
+
+      if (!getSegmentsList().equals(other.getSegmentsList())) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      if (getSegmentsCount() > 0) {
+        hash = (37 * hash) + SEGMENTS_FIELD_NUMBER;
+        hash = (53 * hash) + getSegmentsList().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseDelimitedFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseDelimitedFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Represents an audio message that is composed of both segments
+     * synthesized from the Dialogflow agent prompts and ones hosted externally
+     * at the specified URIs.
+     * 

+     *
+     * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.MixedAudio}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio)
+        com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudioOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.class,
+                com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Builder.class);
+      }
+
+      // Construct using com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        if (segmentsBuilder_ == null) {
+          segments_ = java.util.Collections.emptyList();
+        } else {
+          segments_ = null;
+          segmentsBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_MixedAudio_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio getDefaultInstanceForType() {
+        return com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio build() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio buildPartial() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio result =
+            new com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio(this);
+        buildPartialRepeatedFields(result);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartialRepeatedFields(
+          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio result) {
+        if (segmentsBuilder_ == null) {
+          if (((bitField0_ & 0x00000001) != 0)) {
+            segments_ = java.util.Collections.unmodifiableList(segments_);
+            bitField0_ = (bitField0_ & ~0x00000001);
+          }
+          result.segments_ = segments_;
+        } else {
+          result.segments_ = segmentsBuilder_.build();
+        }
+      }
+
+      private void buildPartial0(com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio result) {
+        int from_bitField0_ = bitField0_;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) {
+          return mergeFrom((com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio other) {
+        if (other == com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.getDefaultInstance())
+          return this;
+        if (segmentsBuilder_ == null) {
+          if (!other.segments_.isEmpty()) {
+            if (segments_.isEmpty()) {
+              segments_ = other.segments_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+            } else {
+              ensureSegmentsIsMutable();
+              segments_.addAll(other.segments_);
+            }
+            onChanged();
+          }
+        } else {
+          if (!other.segments_.isEmpty()) {
+            if (segmentsBuilder_.isEmpty()) {
+              segmentsBuilder_.dispose();
+              segmentsBuilder_ = null;
+              segments_ = other.segments_;
+              bitField0_ = (bitField0_ & ~0x00000001);
+              segmentsBuilder_ =
+                  com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                      ? internalGetSegmentsFieldBuilder()
+                      : null;
+            } else {
+              segmentsBuilder_.addAllMessages(other.segments_);
+            }
+          }
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment m =
+                      input.readMessage(
+                          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+                              .parser(),
+                          extensionRegistry);
+                  if (segmentsBuilder_ == null) {
+                    ensureSegmentsIsMutable();
+                    segments_.add(m);
+                  } else {
+                    segmentsBuilder_.addMessage(m);
+                  }
+                  break;
+                } // case 10
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private java.util.List
+          segments_ = java.util.Collections.emptyList();
+
+      private void ensureSegmentsIsMutable() {
+        if (!((bitField0_ & 0x00000001) != 0)) {
+          segments_ =
+              new java.util.ArrayList<
+                  com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment>(segments_);
+          bitField0_ |= 0x00000001;
+        }
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment,
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder,
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder>
+          segmentsBuilder_;
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public java.util.List
+          getSegmentsList() {
+        if (segmentsBuilder_ == null) {
+          return java.util.Collections.unmodifiableList(segments_);
+        } else {
+          return segmentsBuilder_.getMessageList();
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public int getSegmentsCount() {
+        if (segmentsBuilder_ == null) {
+          return segments_.size();
+        } else {
+          return segmentsBuilder_.getCount();
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment getSegments(
+          int index) {
+        if (segmentsBuilder_ == null) {
+          return segments_.get(index);
+        } else {
+          return segmentsBuilder_.getMessage(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public Builder setSegments(
+          int index, com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment value) {
+        if (segmentsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSegmentsIsMutable();
+          segments_.set(index, value);
+          onChanged();
+        } else {
+          segmentsBuilder_.setMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public Builder setSegments(
+          int index,
+          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder
+              builderForValue) {
+        if (segmentsBuilder_ == null) {
+          ensureSegmentsIsMutable();
+          segments_.set(index, builderForValue.build());
+          onChanged();
+        } else {
+          segmentsBuilder_.setMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public Builder addSegments(
+          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment value) {
+        if (segmentsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSegmentsIsMutable();
+          segments_.add(value);
+          onChanged();
+        } else {
+          segmentsBuilder_.addMessage(value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public Builder addSegments(
+          int index, com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment value) {
+        if (segmentsBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          ensureSegmentsIsMutable();
+          segments_.add(index, value);
+          onChanged();
+        } else {
+          segmentsBuilder_.addMessage(index, value);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public Builder addSegments(
+          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder
+              builderForValue) {
+        if (segmentsBuilder_ == null) {
+          ensureSegmentsIsMutable();
+          segments_.add(builderForValue.build());
+          onChanged();
+        } else {
+          segmentsBuilder_.addMessage(builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public Builder addSegments(
+          int index,
+          com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder
+              builderForValue) {
+        if (segmentsBuilder_ == null) {
+          ensureSegmentsIsMutable();
+          segments_.add(index, builderForValue.build());
+          onChanged();
+        } else {
+          segmentsBuilder_.addMessage(index, builderForValue.build());
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public Builder addAllSegments(
+          java.lang.Iterable<
+                  ? extends com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment>
+              values) {
+        if (segmentsBuilder_ == null) {
+          ensureSegmentsIsMutable();
+          com.google.protobuf.AbstractMessageLite.Builder.addAll(values, segments_);
+          onChanged();
+        } else {
+          segmentsBuilder_.addAllMessages(values);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public Builder clearSegments() {
+        if (segmentsBuilder_ == null) {
+          segments_ = java.util.Collections.emptyList();
+          bitField0_ = (bitField0_ & ~0x00000001);
+          onChanged();
+        } else {
+          segmentsBuilder_.clear();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public Builder removeSegments(int index) {
+        if (segmentsBuilder_ == null) {
+          ensureSegmentsIsMutable();
+          segments_.remove(index);
+          onChanged();
+        } else {
+          segmentsBuilder_.remove(index);
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder
+          getSegmentsBuilder(int index) {
+        return internalGetSegmentsFieldBuilder().getBuilder(index);
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder
+          getSegmentsOrBuilder(int index) {
+        if (segmentsBuilder_ == null) {
+          return segments_.get(index);
+        } else {
+          return segmentsBuilder_.getMessageOrBuilder(index);
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public java.util.List<
+              ? extends com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder>
+          getSegmentsOrBuilderList() {
+        if (segmentsBuilder_ != null) {
+          return segmentsBuilder_.getMessageOrBuilderList();
+        } else {
+          return java.util.Collections.unmodifiableList(segments_);
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder
+          addSegmentsBuilder() {
+        return internalGetSegmentsFieldBuilder()
+            .addBuilder(
+                com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+                    .getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder
+          addSegmentsBuilder(int index) {
+        return internalGetSegmentsFieldBuilder()
+            .addBuilder(
+                index,
+                com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment
+                    .getDefaultInstance());
+      }
+
+      /**
+       *
+       *
+       * 
+       * Segments this audio response is composed of.
+       * 

+       *
+       * repeated .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment segments = 1;
+       * 
+       */
+      public java.util.List<
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder>
+          getSegmentsBuilderList() {
+        return internalGetSegmentsFieldBuilder().getBuilderList();
+      }
+
+      private com.google.protobuf.RepeatedFieldBuilder<
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment,
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder,
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder>
+          internalGetSegmentsFieldBuilder() {
+        if (segmentsBuilder_ == null) {
+          segmentsBuilder_ =
+              new com.google.protobuf.RepeatedFieldBuilder<
+                  com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment,
+                  com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Segment.Builder,
+                  com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.SegmentOrBuilder>(
+                  segments_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+          segments_ = null;
+        }
+        return segmentsBuilder_;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2.ResponseMessage.MixedAudio)
+    private static final com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio();
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser PARSER =
+        new com.google.protobuf.AbstractParser() {
+          @java.lang.Override
+          public MixedAudio parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  public interface TelephonyTransferCallOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall)
+      com.google.protobuf.MessageOrBuilder {
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a phone number
+     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+     * 

+     *
+     * string phone_number = 1;
+     *
+     * @return Whether the phoneNumber field is set.
+     */
+    boolean hasPhoneNumber();
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a phone number
+     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+     * 

+     *
+     * string phone_number = 1;
+     *
+     * @return The phoneNumber.
+     */
+    java.lang.String getPhoneNumber();
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a phone number
+     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+     * 

+     *
+     * string phone_number = 1;
+     *
+     * @return The bytes for phoneNumber.
+     */
+    com.google.protobuf.ByteString getPhoneNumberBytes();
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a SIP endpoint.
+     * 

+     *
+     * string sip_uri = 2;
+     *
+     * @return Whether the sipUri field is set.
+     */
+    boolean hasSipUri();
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a SIP endpoint.
+     * 

+     *
+     * string sip_uri = 2;
+     *
+     * @return The sipUri.
+     */
+    java.lang.String getSipUri();
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a SIP endpoint.
+     * 

+     *
+     * string sip_uri = 2;
+     *
+     * @return The bytes for sipUri.
+     */
+    com.google.protobuf.ByteString getSipUriBytes();
+
+    com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.EndpointCase
+        getEndpointCase();
+  }
+
+  /**
+   *
+   *
+   * 
+   * Represents the signal that telles the client to transfer the phone call
+   * connected to the agent to a third-party endpoint.
+   * 

+   *
+   * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall}
+   */
+  public static final class TelephonyTransferCall extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall)
+      TelephonyTransferCallOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 6,
+          /* suffix= */ "",
+          "TelephonyTransferCall");
+    }
+
+    // Use TelephonyTransferCall.newBuilder() to construct.
+    private TelephonyTransferCall(com.google.protobuf.GeneratedMessage.Builder builder) {
+      super(builder);
+    }
+
+    private TelephonyTransferCall() {}
+
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.class,
+              com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.Builder.class);
+    }
+
+    private int endpointCase_ = 0;
+
+    @SuppressWarnings("serial")
+    private java.lang.Object endpoint_;
+
+    public enum EndpointCase
+        implements
+            com.google.protobuf.Internal.EnumLite,
+            com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+      PHONE_NUMBER(1),
+      SIP_URI(2),
+      ENDPOINT_NOT_SET(0);
+      private final int value;
+
+      private EndpointCase(int value) {
+        this.value = value;
+      }
+
+      /**
+       * @param value The number of the enum to look for.
+       * @return The enum associated with the given number.
+       * @deprecated Use {@link #forNumber(int)} instead.
+       */
+      @java.lang.Deprecated
+      public static EndpointCase valueOf(int value) {
+        return forNumber(value);
+      }
+
+      public static EndpointCase forNumber(int value) {
+        switch (value) {
+          case 1:
+            return PHONE_NUMBER;
+          case 2:
+            return SIP_URI;
+          case 0:
+            return ENDPOINT_NOT_SET;
+          default:
+            return null;
+        }
+      }
+
+      public int getNumber() {
+        return this.value;
+      }
+    };
+
+    public EndpointCase getEndpointCase() {
+      return EndpointCase.forNumber(endpointCase_);
+    }
+
+    public static final int PHONE_NUMBER_FIELD_NUMBER = 1;
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a phone number
+     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+     * 

+     *
+     * string phone_number = 1;
+     *
+     * @return Whether the phoneNumber field is set.
+     */
+    public boolean hasPhoneNumber() {
+      return endpointCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a phone number
+     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+     * 

+     *
+     * string phone_number = 1;
+     *
+     * @return The phoneNumber.
+     */
+    public java.lang.String getPhoneNumber() {
+      java.lang.Object ref = "";
+      if (endpointCase_ == 1) {
+        ref = endpoint_;
+      }
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (endpointCase_ == 1) {
+          endpoint_ = s;
+        }
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a phone number
+     * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+     * 

+     *
+     * string phone_number = 1;
+     *
+     * @return The bytes for phoneNumber.
+     */
+    public com.google.protobuf.ByteString getPhoneNumberBytes() {
+      java.lang.Object ref = "";
+      if (endpointCase_ == 1) {
+        ref = endpoint_;
+      }
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        if (endpointCase_ == 1) {
+          endpoint_ = b;
+        }
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    public static final int SIP_URI_FIELD_NUMBER = 2;
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a SIP endpoint.
+     * 

+     *
+     * string sip_uri = 2;
+     *
+     * @return Whether the sipUri field is set.
+     */
+    public boolean hasSipUri() {
+      return endpointCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a SIP endpoint.
+     * 

+     *
+     * string sip_uri = 2;
+     *
+     * @return The sipUri.
+     */
+    public java.lang.String getSipUri() {
+      java.lang.Object ref = "";
+      if (endpointCase_ == 2) {
+        ref = endpoint_;
+      }
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (endpointCase_ == 2) {
+          endpoint_ = s;
+        }
+        return s;
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Transfer the call to a SIP endpoint.
+     * 

+     *
+     * string sip_uri = 2;
+     *
+     * @return The bytes for sipUri.
+     */
+    public com.google.protobuf.ByteString getSipUriBytes() {
+      java.lang.Object ref = "";
+      if (endpointCase_ == 2) {
+        ref = endpoint_;
+      }
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        if (endpointCase_ == 2) {
+          endpoint_ = b;
+        }
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    private byte memoizedIsInitialized = -1;
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (endpointCase_ == 1) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 1, endpoint_);
+      }
+      if (endpointCase_ == 2) {
+        com.google.protobuf.GeneratedMessage.writeString(output, 2, endpoint_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (endpointCase_ == 1) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, endpoint_);
+      }
+      if (endpointCase_ == 2) {
+        size += com.google.protobuf.GeneratedMessage.computeStringSize(2, endpoint_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj instanceof com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall)) {
+        return super.equals(obj);
+      }
+      com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall other =
+          (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) obj;
+
+      if (!getEndpointCase().equals(other.getEndpointCase())) return false;
+      switch (endpointCase_) {
+        case 1:
+          if (!getPhoneNumber().equals(other.getPhoneNumber())) return false;
+          break;
+        case 2:
+          if (!getSipUri().equals(other.getSipUri())) return false;
+          break;
+        case 0:
+        default:
+      }
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      switch (endpointCase_) {
+        case 1:
+          hash = (37 * hash) + PHONE_NUMBER_FIELD_NUMBER;
+          hash = (53 * hash) + getPhoneNumber().hashCode();
+          break;
+        case 2:
+          hash = (37 * hash) + SIP_URI_FIELD_NUMBER;
+          hash = (53 * hash) + getSipUri().hashCode();
+          break;
+        case 0:
+        default:
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Represents the signal that telles the client to transfer the phone call
+     * connected to the agent to a third-party endpoint.
+     * 

+     *
+     * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder
+        implements
+        // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall)
+        com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCallOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.class,
+                com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.Builder.class);
+      }
+
+      // Construct using
+      // com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        endpointCase_ = 0;
+        endpoint_ = null;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.cloud.dialogflow.v2.ParticipantProto
+            .internal_static_google_cloud_dialogflow_v2_ResponseMessage_TelephonyTransferCall_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+          getDefaultInstanceForType() {
+        return com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall build() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall buildPartial() {
+        com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall result =
+            new com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        buildPartialOneofs(result);
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall result) {
+        int from_bitField0_ = bitField0_;
+      }
+
+      private void buildPartialOneofs(
+          com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall result) {
+        result.endpointCase_ = endpointCase_;
+        result.endpoint_ = this.endpoint_;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) {
+          return mergeFrom(
+              (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall other) {
+        if (other
+            == com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+                .getDefaultInstance()) return this;
+        switch (other.getEndpointCase()) {
+          case PHONE_NUMBER:
+            {
+              endpointCase_ = 1;
+              endpoint_ = other.endpoint_;
+              onChanged();
+              break;
+            }
+          case SIP_URI:
+            {
+              endpointCase_ = 2;
+              endpoint_ = other.endpoint_;
+              onChanged();
+              break;
+            }
+          case ENDPOINT_NOT_SET:
+            {
+              break;
+            }
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 10:
+                {
+                  java.lang.String s = input.readStringRequireUtf8();
+                  endpointCase_ = 1;
+                  endpoint_ = s;
+                  break;
+                } // case 10
+              case 18:
+                {
+                  java.lang.String s = input.readStringRequireUtf8();
+                  endpointCase_ = 2;
+                  endpoint_ = s;
+                  break;
+                } // case 18
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int endpointCase_ = 0;
+      private java.lang.Object endpoint_;
+
+      public EndpointCase getEndpointCase() {
+        return EndpointCase.forNumber(endpointCase_);
+      }
+
+      public Builder clearEndpoint() {
+        endpointCase_ = 0;
+        endpoint_ = null;
+        onChanged();
+        return this;
+      }
+
+      private int bitField0_;
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a phone number
+       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+       * 

+       *
+       * string phone_number = 1;
+       *
+       * @return Whether the phoneNumber field is set.
+       */
+      @java.lang.Override
+      public boolean hasPhoneNumber() {
+        return endpointCase_ == 1;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a phone number
+       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+       * 

+       *
+       * string phone_number = 1;
+       *
+       * @return The phoneNumber.
+       */
+      @java.lang.Override
+      public java.lang.String getPhoneNumber() {
+        java.lang.Object ref = "";
+        if (endpointCase_ == 1) {
+          ref = endpoint_;
+        }
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (endpointCase_ == 1) {
+            endpoint_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a phone number
+       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+       * 

+       *
+       * string phone_number = 1;
+       *
+       * @return The bytes for phoneNumber.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getPhoneNumberBytes() {
+        java.lang.Object ref = "";
+        if (endpointCase_ == 1) {
+          ref = endpoint_;
+        }
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          if (endpointCase_ == 1) {
+            endpoint_ = b;
+          }
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a phone number
+       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+       * 

+       *
+       * string phone_number = 1;
+       *
+       * @param value The phoneNumber to set.
+       * @return This builder for chaining.
+       */
+      public Builder setPhoneNumber(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        endpointCase_ = 1;
+        endpoint_ = value;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a phone number
+       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+       * 

+       *
+       * string phone_number = 1;
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearPhoneNumber() {
+        if (endpointCase_ == 1) {
+          endpointCase_ = 0;
+          endpoint_ = null;
+          onChanged();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a phone number
+       * in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+       * 

+       *
+       * string phone_number = 1;
+       *
+       * @param value The bytes for phoneNumber to set.
+       * @return This builder for chaining.
+       */
+      public Builder setPhoneNumberBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        endpointCase_ = 1;
+        endpoint_ = value;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a SIP endpoint.
+       * 

+       *
+       * string sip_uri = 2;
+       *
+       * @return Whether the sipUri field is set.
+       */
+      @java.lang.Override
+      public boolean hasSipUri() {
+        return endpointCase_ == 2;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a SIP endpoint.
+       * 

+       *
+       * string sip_uri = 2;
+       *
+       * @return The sipUri.
+       */
+      @java.lang.Override
+      public java.lang.String getSipUri() {
+        java.lang.Object ref = "";
+        if (endpointCase_ == 2) {
+          ref = endpoint_;
+        }
+        if (!(ref instanceof java.lang.String)) {
+          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          java.lang.String s = bs.toStringUtf8();
+          if (endpointCase_ == 2) {
+            endpoint_ = s;
+          }
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a SIP endpoint.
+       * 

+       *
+       * string sip_uri = 2;
+       *
+       * @return The bytes for sipUri.
+       */
+      @java.lang.Override
+      public com.google.protobuf.ByteString getSipUriBytes() {
+        java.lang.Object ref = "";
+        if (endpointCase_ == 2) {
+          ref = endpoint_;
+        }
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b =
+              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          if (endpointCase_ == 2) {
+            endpoint_ = b;
+          }
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a SIP endpoint.
+       * 

+       *
+       * string sip_uri = 2;
+       *
+       * @param value The sipUri to set.
+       * @return This builder for chaining.
+       */
+      public Builder setSipUri(java.lang.String value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        endpointCase_ = 2;
+        endpoint_ = value;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a SIP endpoint.
+       * 

+       *
+       * string sip_uri = 2;
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearSipUri() {
+        if (endpointCase_ == 2) {
+          endpointCase_ = 0;
+          endpoint_ = null;
+          onChanged();
+        }
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Transfer the call to a SIP endpoint.
+       * 

+       *
+       * string sip_uri = 2;
+       *
+       * @param value The bytes for sipUri to set.
+       * @return This builder for chaining.
+       */
+      public Builder setSipUriBytes(com.google.protobuf.ByteString value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        checkByteStringIsUtf8(value);
+        endpointCase_ = 2;
+        endpoint_ = value;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall)
+    private static final com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE = new com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall();
+    }
+
+    public static com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser PARSER =
+        new com.google.protobuf.AbstractParser() {
+          @java.lang.Override
+          public TelephonyTransferCall parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
+  }
+
+  private int messageCase_ = 0;
+
+  @SuppressWarnings("serial")
+  private java.lang.Object message_;
+
+  public enum MessageCase
+      implements
+          com.google.protobuf.Internal.EnumLite,
+          com.google.protobuf.AbstractMessage.InternalOneOfEnum {
+    TEXT(1),
+    PAYLOAD(2),
+    LIVE_AGENT_HANDOFF(3),
+    END_INTERACTION(4),
+    MIXED_AUDIO(5),
+    TELEPHONY_TRANSFER_CALL(6),
+    MESSAGE_NOT_SET(0);
+    private final int value;
+
+    private MessageCase(int value) {
+      this.value = value;
+    }
+
+    /**
+     * @param value The number of the enum to look for.
+     * @return The enum associated with the given number.
+     * @deprecated Use {@link #forNumber(int)} instead.
+     */
+    @java.lang.Deprecated
+    public static MessageCase valueOf(int value) {
+      return forNumber(value);
+    }
+
+    public static MessageCase forNumber(int value) {
+      switch (value) {
+        case 1:
+          return TEXT;
+        case 2:
+          return PAYLOAD;
+        case 3:
+          return LIVE_AGENT_HANDOFF;
+        case 4:
+          return END_INTERACTION;
+        case 5:
+          return MIXED_AUDIO;
+        case 6:
+          return TELEPHONY_TRANSFER_CALL;
+        case 0:
+          return MESSAGE_NOT_SET;
+        default:
+          return null;
+      }
+    }
+
+    public int getNumber() {
+      return this.value;
+    }
+  };
+
+  public MessageCase getMessageCase() {
+    return MessageCase.forNumber(messageCase_);
+  }
+
+  public static final int TEXT_FIELD_NUMBER = 1;
+
+  /**
+   *
+   *
+   * 
+   * Returns a text response.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+   *
+   * @return Whether the text field is set.
+   */
+  @java.lang.Override
+  public boolean hasText() {
+    return messageCase_ == 1;
+  }
+
+  /**
+   *
+   *
+   * 
+   * Returns a text response.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+   *
+   * @return The text.
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.Text getText() {
+    if (messageCase_ == 1) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.Text) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.Text.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * 
+   * Returns a text response.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.TextOrBuilder getTextOrBuilder() {
+    if (messageCase_ == 1) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.Text) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.Text.getDefaultInstance();
+  }
+
+  public static final int PAYLOAD_FIELD_NUMBER = 2;
+
+  /**
+   *
+   *
+   * 
+   * Returns a response containing a custom, platform-specific payload.
+   * 

+   *
+   * .google.protobuf.Struct payload = 2;
+   *
+   * @return Whether the payload field is set.
+   */
+  @java.lang.Override
+  public boolean hasPayload() {
+    return messageCase_ == 2;
+  }
+
+  /**
+   *
+   *
+   * 
+   * Returns a response containing a custom, platform-specific payload.
+   * 

+   *
+   * .google.protobuf.Struct payload = 2;
+   *
+   * @return The payload.
+   */
+  @java.lang.Override
+  public com.google.protobuf.Struct getPayload() {
+    if (messageCase_ == 2) {
+      return (com.google.protobuf.Struct) message_;
+    }
+    return com.google.protobuf.Struct.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * 
+   * Returns a response containing a custom, platform-specific payload.
+   * 

+   *
+   * .google.protobuf.Struct payload = 2;
+   */
+  @java.lang.Override
+  public com.google.protobuf.StructOrBuilder getPayloadOrBuilder() {
+    if (messageCase_ == 2) {
+      return (com.google.protobuf.Struct) message_;
+    }
+    return com.google.protobuf.Struct.getDefaultInstance();
+  }
+
+  public static final int LIVE_AGENT_HANDOFF_FIELD_NUMBER = 3;
+
+  /**
+   *
+   *
+   * 
+   * Hands off conversation to a live agent.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+   * 
+   *
+   * @return Whether the liveAgentHandoff field is set.
+   */
+  @java.lang.Override
+  public boolean hasLiveAgentHandoff() {
+    return messageCase_ == 3;
+  }
+
+  /**
+   *
+   *
+   * 
+   * Hands off conversation to a live agent.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+   * 
+   *
+   * @return The liveAgentHandoff.
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff getLiveAgentHandoff() {
+    if (messageCase_ == 3) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * 
+   * Hands off conversation to a live agent.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+   * 
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoffOrBuilder
+      getLiveAgentHandoffOrBuilder() {
+    if (messageCase_ == 3) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.getDefaultInstance();
+  }
+
+  public static final int END_INTERACTION_FIELD_NUMBER = 4;
+
+  /**
+   *
+   *
+   * 
+   * A signal that indicates the interaction with the Dialogflow agent has
+   * ended.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+   *
+   * @return Whether the endInteraction field is set.
+   */
+  @java.lang.Override
+  public boolean hasEndInteraction() {
+    return messageCase_ == 4;
+  }
+
+  /**
+   *
+   *
+   * 
+   * A signal that indicates the interaction with the Dialogflow agent has
+   * ended.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+   *
+   * @return The endInteraction.
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction getEndInteraction() {
+    if (messageCase_ == 4) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * 
+   * A signal that indicates the interaction with the Dialogflow agent has
+   * ended.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.EndInteractionOrBuilder
+      getEndInteractionOrBuilder() {
+    if (messageCase_ == 4) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.getDefaultInstance();
+  }
+
+  public static final int MIXED_AUDIO_FIELD_NUMBER = 5;
+
+  /**
+   *
+   *
+   * 
+   * An audio response message composed of both the synthesized Dialogflow
+   * agent responses and the audios hosted in places known to the client.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+   *
+   * @return Whether the mixedAudio field is set.
+   */
+  @java.lang.Override
+  public boolean hasMixedAudio() {
+    return messageCase_ == 5;
+  }
+
+  /**
+   *
+   *
+   * 
+   * An audio response message composed of both the synthesized Dialogflow
+   * agent responses and the audios hosted in places known to the client.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+   *
+   * @return The mixedAudio.
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio getMixedAudio() {
+    if (messageCase_ == 5) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * 
+   * An audio response message composed of both the synthesized Dialogflow
+   * agent responses and the audios hosted in places known to the client.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudioOrBuilder
+      getMixedAudioOrBuilder() {
+    if (messageCase_ == 5) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.getDefaultInstance();
+  }
+
+  public static final int TELEPHONY_TRANSFER_CALL_FIELD_NUMBER = 6;
+
+  /**
+   *
+   *
+   * 
+   * A signal that the client should transfer the phone call connected to
+   * this agent to a third-party endpoint.
+   * 

+   *
+   * 
+   * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+   * 
+   *
+   * @return Whether the telephonyTransferCall field is set.
+   */
+  @java.lang.Override
+  public boolean hasTelephonyTransferCall() {
+    return messageCase_ == 6;
+  }
+
+  /**
+   *
+   *
+   * 
+   * A signal that the client should transfer the phone call connected to
+   * this agent to a third-party endpoint.
+   * 

+   *
+   * 
+   * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+   * 
+   *
+   * @return The telephonyTransferCall.
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+      getTelephonyTransferCall() {
+    if (messageCase_ == 6) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+        .getDefaultInstance();
+  }
+
+  /**
+   *
+   *
+   * 
+   * A signal that the client should transfer the phone call connected to
+   * this agent to a third-party endpoint.
+   * 

+   *
+   * 
+   * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+   * 
+   */
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCallOrBuilder
+      getTelephonyTransferCallOrBuilder() {
+    if (messageCase_ == 6) {
+      return (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) message_;
+    }
+    return com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+        .getDefaultInstance();
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    if (messageCase_ == 1) {
+      output.writeMessage(1, (com.google.cloud.dialogflow.v2.ResponseMessage.Text) message_);
+    }
+    if (messageCase_ == 2) {
+      output.writeMessage(2, (com.google.protobuf.Struct) message_);
+    }
+    if (messageCase_ == 3) {
+      output.writeMessage(
+          3, (com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) message_);
+    }
+    if (messageCase_ == 4) {
+      output.writeMessage(
+          4, (com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) message_);
+    }
+    if (messageCase_ == 5) {
+      output.writeMessage(5, (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) message_);
+    }
+    if (messageCase_ == 6) {
+      output.writeMessage(
+          6, (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) message_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    if (messageCase_ == 1) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              1, (com.google.cloud.dialogflow.v2.ResponseMessage.Text) message_);
+    }
+    if (messageCase_ == 2) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              2, (com.google.protobuf.Struct) message_);
+    }
+    if (messageCase_ == 3) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              3, (com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) message_);
+    }
+    if (messageCase_ == 4) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              4, (com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) message_);
+    }
+    if (messageCase_ == 5) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              5, (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) message_);
+    }
+    if (messageCase_ == 6) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              6, (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) message_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+      return true;
+    }
+    if (!(obj instanceof com.google.cloud.dialogflow.v2.ResponseMessage)) {
+      return super.equals(obj);
+    }
+    com.google.cloud.dialogflow.v2.ResponseMessage other =
+        (com.google.cloud.dialogflow.v2.ResponseMessage) obj;
+
+    if (!getMessageCase().equals(other.getMessageCase())) return false;
+    switch (messageCase_) {
+      case 1:
+        if (!getText().equals(other.getText())) return false;
+        break;
+      case 2:
+        if (!getPayload().equals(other.getPayload())) return false;
+        break;
+      case 3:
+        if (!getLiveAgentHandoff().equals(other.getLiveAgentHandoff())) return false;
+        break;
+      case 4:
+        if (!getEndInteraction().equals(other.getEndInteraction())) return false;
+        break;
+      case 5:
+        if (!getMixedAudio().equals(other.getMixedAudio())) return false;
+        break;
+      case 6:
+        if (!getTelephonyTransferCall().equals(other.getTelephonyTransferCall())) return false;
+        break;
+      case 0:
+      default:
+    }
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    switch (messageCase_) {
+      case 1:
+        hash = (37 * hash) + TEXT_FIELD_NUMBER;
+        hash = (53 * hash) + getText().hashCode();
+        break;
+      case 2:
+        hash = (37 * hash) + PAYLOAD_FIELD_NUMBER;
+        hash = (53 * hash) + getPayload().hashCode();
+        break;
+      case 3:
+        hash = (37 * hash) + LIVE_AGENT_HANDOFF_FIELD_NUMBER;
+        hash = (53 * hash) + getLiveAgentHandoff().hashCode();
+        break;
+      case 4:
+        hash = (37 * hash) + END_INTERACTION_FIELD_NUMBER;
+        hash = (53 * hash) + getEndInteraction().hashCode();
+        break;
+      case 5:
+        hash = (37 * hash) + MIXED_AUDIO_FIELD_NUMBER;
+        hash = (53 * hash) + getMixedAudio().hashCode();
+        break;
+      case 6:
+        hash = (37 * hash) + TELEPHONY_TRANSFER_CALL_FIELD_NUMBER;
+        hash = (53 * hash) + getTelephonyTransferCall().hashCode();
+        break;
+      case 0:
+      default:
+    }
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(
+      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(
+      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseDelimitedFrom(
+      java.io.InputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseDelimitedFrom(
+      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(
+      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessage.parseWithIOException(
+        PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() {
+    return newBuilder();
+  }
+
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+
+  public static Builder newBuilder(com.google.cloud.dialogflow.v2.ResponseMessage prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+
+  /**
+   *
+   *
+   * 
+   * Response messages from an automated agent.
+   * 

+   *
+   * Protobuf type {@code google.cloud.dialogflow.v2.ResponseMessage}
+   */
+  public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder
+      implements
+      // @@protoc_insertion_point(builder_implements:google.cloud.dialogflow.v2.ResponseMessage)
+      com.google.cloud.dialogflow.v2.ResponseMessageOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.cloud.dialogflow.v2.ResponseMessage.class,
+              com.google.cloud.dialogflow.v2.ResponseMessage.Builder.class);
+    }
+
+    // Construct using com.google.cloud.dialogflow.v2.ResponseMessage.newBuilder()
+    private Builder() {}
+
+    private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      super(parent);
+    }
+
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      if (textBuilder_ != null) {
+        textBuilder_.clear();
+      }
+      if (payloadBuilder_ != null) {
+        payloadBuilder_.clear();
+      }
+      if (liveAgentHandoffBuilder_ != null) {
+        liveAgentHandoffBuilder_.clear();
+      }
+      if (endInteractionBuilder_ != null) {
+        endInteractionBuilder_.clear();
+      }
+      if (mixedAudioBuilder_ != null) {
+        mixedAudioBuilder_.clear();
+      }
+      if (telephonyTransferCallBuilder_ != null) {
+        telephonyTransferCallBuilder_.clear();
+      }
+      messageCase_ = 0;
+      message_ = null;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+      return com.google.cloud.dialogflow.v2.ParticipantProto
+          .internal_static_google_cloud_dialogflow_v2_ResponseMessage_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage getDefaultInstanceForType() {
+      return com.google.cloud.dialogflow.v2.ResponseMessage.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage build() {
+      com.google.cloud.dialogflow.v2.ResponseMessage result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage buildPartial() {
+      com.google.cloud.dialogflow.v2.ResponseMessage result =
+          new com.google.cloud.dialogflow.v2.ResponseMessage(this);
+      if (bitField0_ != 0) {
+        buildPartial0(result);
+      }
+      buildPartialOneofs(result);
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.cloud.dialogflow.v2.ResponseMessage result) {
+      int from_bitField0_ = bitField0_;
+    }
+
+    private void buildPartialOneofs(com.google.cloud.dialogflow.v2.ResponseMessage result) {
+      result.messageCase_ = messageCase_;
+      result.message_ = this.message_;
+      if (messageCase_ == 1 && textBuilder_ != null) {
+        result.message_ = textBuilder_.build();
+      }
+      if (messageCase_ == 2 && payloadBuilder_ != null) {
+        result.message_ = payloadBuilder_.build();
+      }
+      if (messageCase_ == 3 && liveAgentHandoffBuilder_ != null) {
+        result.message_ = liveAgentHandoffBuilder_.build();
+      }
+      if (messageCase_ == 4 && endInteractionBuilder_ != null) {
+        result.message_ = endInteractionBuilder_.build();
+      }
+      if (messageCase_ == 5 && mixedAudioBuilder_ != null) {
+        result.message_ = mixedAudioBuilder_.build();
+      }
+      if (messageCase_ == 6 && telephonyTransferCallBuilder_ != null) {
+        result.message_ = telephonyTransferCallBuilder_.build();
+      }
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.cloud.dialogflow.v2.ResponseMessage) {
+        return mergeFrom((com.google.cloud.dialogflow.v2.ResponseMessage) other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.cloud.dialogflow.v2.ResponseMessage other) {
+      if (other == com.google.cloud.dialogflow.v2.ResponseMessage.getDefaultInstance()) return this;
+      switch (other.getMessageCase()) {
+        case TEXT:
+          {
+            mergeText(other.getText());
+            break;
+          }
+        case PAYLOAD:
+          {
+            mergePayload(other.getPayload());
+            break;
+          }
+        case LIVE_AGENT_HANDOFF:
+          {
+            mergeLiveAgentHandoff(other.getLiveAgentHandoff());
+            break;
+          }
+        case END_INTERACTION:
+          {
+            mergeEndInteraction(other.getEndInteraction());
+            break;
+          }
+        case MIXED_AUDIO:
+          {
+            mergeMixedAudio(other.getMixedAudio());
+            break;
+          }
+        case TELEPHONY_TRANSFER_CALL:
+          {
+            mergeTelephonyTransferCall(other.getTelephonyTransferCall());
+            break;
+          }
+        case MESSAGE_NOT_SET:
+          {
+            break;
+          }
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10:
+              {
+                input.readMessage(internalGetTextFieldBuilder().getBuilder(), extensionRegistry);
+                messageCase_ = 1;
+                break;
+              } // case 10
+            case 18:
+              {
+                input.readMessage(internalGetPayloadFieldBuilder().getBuilder(), extensionRegistry);
+                messageCase_ = 2;
+                break;
+              } // case 18
+            case 26:
+              {
+                input.readMessage(
+                    internalGetLiveAgentHandoffFieldBuilder().getBuilder(), extensionRegistry);
+                messageCase_ = 3;
+                break;
+              } // case 26
+            case 34:
+              {
+                input.readMessage(
+                    internalGetEndInteractionFieldBuilder().getBuilder(), extensionRegistry);
+                messageCase_ = 4;
+                break;
+              } // case 34
+            case 42:
+              {
+                input.readMessage(
+                    internalGetMixedAudioFieldBuilder().getBuilder(), extensionRegistry);
+                messageCase_ = 5;
+                break;
+              } // case 42
+            case 50:
+              {
+                input.readMessage(
+                    internalGetTelephonyTransferCallFieldBuilder().getBuilder(), extensionRegistry);
+                messageCase_ = 6;
+                break;
+              } // case 50
+            default:
+              {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+
+    private int messageCase_ = 0;
+    private java.lang.Object message_;
+
+    public MessageCase getMessageCase() {
+      return MessageCase.forNumber(messageCase_);
+    }
+
+    public Builder clearMessage() {
+      messageCase_ = 0;
+      message_ = null;
+      onChanged();
+      return this;
+    }
+
+    private int bitField0_;
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.Text,
+            com.google.cloud.dialogflow.v2.ResponseMessage.Text.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.TextOrBuilder>
+        textBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * Returns a text response.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+     *
+     * @return Whether the text field is set.
+     */
+    @java.lang.Override
+    public boolean hasText() {
+      return messageCase_ == 1;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a text response.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+     *
+     * @return The text.
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.Text getText() {
+      if (textBuilder_ == null) {
+        if (messageCase_ == 1) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.Text) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.Text.getDefaultInstance();
+      } else {
+        if (messageCase_ == 1) {
+          return textBuilder_.getMessage();
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.Text.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a text response.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+     */
+    public Builder setText(com.google.cloud.dialogflow.v2.ResponseMessage.Text value) {
+      if (textBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        message_ = value;
+        onChanged();
+      } else {
+        textBuilder_.setMessage(value);
+      }
+      messageCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a text response.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+     */
+    public Builder setText(
+        com.google.cloud.dialogflow.v2.ResponseMessage.Text.Builder builderForValue) {
+      if (textBuilder_ == null) {
+        message_ = builderForValue.build();
+        onChanged();
+      } else {
+        textBuilder_.setMessage(builderForValue.build());
+      }
+      messageCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a text response.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+     */
+    public Builder mergeText(com.google.cloud.dialogflow.v2.ResponseMessage.Text value) {
+      if (textBuilder_ == null) {
+        if (messageCase_ == 1
+            && message_
+                != com.google.cloud.dialogflow.v2.ResponseMessage.Text.getDefaultInstance()) {
+          message_ =
+              com.google.cloud.dialogflow.v2.ResponseMessage.Text.newBuilder(
+                      (com.google.cloud.dialogflow.v2.ResponseMessage.Text) message_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          message_ = value;
+        }
+        onChanged();
+      } else {
+        if (messageCase_ == 1) {
+          textBuilder_.mergeFrom(value);
+        } else {
+          textBuilder_.setMessage(value);
+        }
+      }
+      messageCase_ = 1;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a text response.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+     */
+    public Builder clearText() {
+      if (textBuilder_ == null) {
+        if (messageCase_ == 1) {
+          messageCase_ = 0;
+          message_ = null;
+          onChanged();
+        }
+      } else {
+        if (messageCase_ == 1) {
+          messageCase_ = 0;
+          message_ = null;
+        }
+        textBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a text response.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessage.Text.Builder getTextBuilder() {
+      return internalGetTextFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a text response.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.TextOrBuilder getTextOrBuilder() {
+      if ((messageCase_ == 1) && (textBuilder_ != null)) {
+        return textBuilder_.getMessageOrBuilder();
+      } else {
+        if (messageCase_ == 1) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.Text) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.Text.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a text response.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.Text,
+            com.google.cloud.dialogflow.v2.ResponseMessage.Text.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.TextOrBuilder>
+        internalGetTextFieldBuilder() {
+      if (textBuilder_ == null) {
+        if (!(messageCase_ == 1)) {
+          message_ = com.google.cloud.dialogflow.v2.ResponseMessage.Text.getDefaultInstance();
+        }
+        textBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.dialogflow.v2.ResponseMessage.Text,
+                com.google.cloud.dialogflow.v2.ResponseMessage.Text.Builder,
+                com.google.cloud.dialogflow.v2.ResponseMessage.TextOrBuilder>(
+                (com.google.cloud.dialogflow.v2.ResponseMessage.Text) message_,
+                getParentForChildren(),
+                isClean());
+        message_ = null;
+      }
+      messageCase_ = 1;
+      onChanged();
+      return textBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Struct,
+            com.google.protobuf.Struct.Builder,
+            com.google.protobuf.StructOrBuilder>
+        payloadBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * Returns a response containing a custom, platform-specific payload.
+     * 

+     *
+     * .google.protobuf.Struct payload = 2;
+     *
+     * @return Whether the payload field is set.
+     */
+    @java.lang.Override
+    public boolean hasPayload() {
+      return messageCase_ == 2;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a response containing a custom, platform-specific payload.
+     * 

+     *
+     * .google.protobuf.Struct payload = 2;
+     *
+     * @return The payload.
+     */
+    @java.lang.Override
+    public com.google.protobuf.Struct getPayload() {
+      if (payloadBuilder_ == null) {
+        if (messageCase_ == 2) {
+          return (com.google.protobuf.Struct) message_;
+        }
+        return com.google.protobuf.Struct.getDefaultInstance();
+      } else {
+        if (messageCase_ == 2) {
+          return payloadBuilder_.getMessage();
+        }
+        return com.google.protobuf.Struct.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a response containing a custom, platform-specific payload.
+     * 

+     *
+     * .google.protobuf.Struct payload = 2;
+     */
+    public Builder setPayload(com.google.protobuf.Struct value) {
+      if (payloadBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        message_ = value;
+        onChanged();
+      } else {
+        payloadBuilder_.setMessage(value);
+      }
+      messageCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a response containing a custom, platform-specific payload.
+     * 

+     *
+     * .google.protobuf.Struct payload = 2;
+     */
+    public Builder setPayload(com.google.protobuf.Struct.Builder builderForValue) {
+      if (payloadBuilder_ == null) {
+        message_ = builderForValue.build();
+        onChanged();
+      } else {
+        payloadBuilder_.setMessage(builderForValue.build());
+      }
+      messageCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a response containing a custom, platform-specific payload.
+     * 

+     *
+     * .google.protobuf.Struct payload = 2;
+     */
+    public Builder mergePayload(com.google.protobuf.Struct value) {
+      if (payloadBuilder_ == null) {
+        if (messageCase_ == 2 && message_ != com.google.protobuf.Struct.getDefaultInstance()) {
+          message_ =
+              com.google.protobuf.Struct.newBuilder((com.google.protobuf.Struct) message_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          message_ = value;
+        }
+        onChanged();
+      } else {
+        if (messageCase_ == 2) {
+          payloadBuilder_.mergeFrom(value);
+        } else {
+          payloadBuilder_.setMessage(value);
+        }
+      }
+      messageCase_ = 2;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a response containing a custom, platform-specific payload.
+     * 

+     *
+     * .google.protobuf.Struct payload = 2;
+     */
+    public Builder clearPayload() {
+      if (payloadBuilder_ == null) {
+        if (messageCase_ == 2) {
+          messageCase_ = 0;
+          message_ = null;
+          onChanged();
+        }
+      } else {
+        if (messageCase_ == 2) {
+          messageCase_ = 0;
+          message_ = null;
+        }
+        payloadBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a response containing a custom, platform-specific payload.
+     * 

+     *
+     * .google.protobuf.Struct payload = 2;
+     */
+    public com.google.protobuf.Struct.Builder getPayloadBuilder() {
+      return internalGetPayloadFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a response containing a custom, platform-specific payload.
+     * 

+     *
+     * .google.protobuf.Struct payload = 2;
+     */
+    @java.lang.Override
+    public com.google.protobuf.StructOrBuilder getPayloadOrBuilder() {
+      if ((messageCase_ == 2) && (payloadBuilder_ != null)) {
+        return payloadBuilder_.getMessageOrBuilder();
+      } else {
+        if (messageCase_ == 2) {
+          return (com.google.protobuf.Struct) message_;
+        }
+        return com.google.protobuf.Struct.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Returns a response containing a custom, platform-specific payload.
+     * 

+     *
+     * .google.protobuf.Struct payload = 2;
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.protobuf.Struct,
+            com.google.protobuf.Struct.Builder,
+            com.google.protobuf.StructOrBuilder>
+        internalGetPayloadFieldBuilder() {
+      if (payloadBuilder_ == null) {
+        if (!(messageCase_ == 2)) {
+          message_ = com.google.protobuf.Struct.getDefaultInstance();
+        }
+        payloadBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.protobuf.Struct,
+                com.google.protobuf.Struct.Builder,
+                com.google.protobuf.StructOrBuilder>(
+                (com.google.protobuf.Struct) message_, getParentForChildren(), isClean());
+        message_ = null;
+      }
+      messageCase_ = 2;
+      onChanged();
+      return payloadBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff,
+            com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoffOrBuilder>
+        liveAgentHandoffBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * Hands off conversation to a live agent.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+     * 
+     *
+     * @return Whether the liveAgentHandoff field is set.
+     */
+    @java.lang.Override
+    public boolean hasLiveAgentHandoff() {
+      return messageCase_ == 3;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Hands off conversation to a live agent.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+     * 
+     *
+     * @return The liveAgentHandoff.
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff getLiveAgentHandoff() {
+      if (liveAgentHandoffBuilder_ == null) {
+        if (messageCase_ == 3) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.getDefaultInstance();
+      } else {
+        if (messageCase_ == 3) {
+          return liveAgentHandoffBuilder_.getMessage();
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Hands off conversation to a live agent.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+     * 
+     */
+    public Builder setLiveAgentHandoff(
+        com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff value) {
+      if (liveAgentHandoffBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        message_ = value;
+        onChanged();
+      } else {
+        liveAgentHandoffBuilder_.setMessage(value);
+      }
+      messageCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Hands off conversation to a live agent.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+     * 
+     */
+    public Builder setLiveAgentHandoff(
+        com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.Builder builderForValue) {
+      if (liveAgentHandoffBuilder_ == null) {
+        message_ = builderForValue.build();
+        onChanged();
+      } else {
+        liveAgentHandoffBuilder_.setMessage(builderForValue.build());
+      }
+      messageCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Hands off conversation to a live agent.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+     * 
+     */
+    public Builder mergeLiveAgentHandoff(
+        com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff value) {
+      if (liveAgentHandoffBuilder_ == null) {
+        if (messageCase_ == 3
+            && message_
+                != com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff
+                    .getDefaultInstance()) {
+          message_ =
+              com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.newBuilder(
+                      (com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) message_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          message_ = value;
+        }
+        onChanged();
+      } else {
+        if (messageCase_ == 3) {
+          liveAgentHandoffBuilder_.mergeFrom(value);
+        } else {
+          liveAgentHandoffBuilder_.setMessage(value);
+        }
+      }
+      messageCase_ = 3;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Hands off conversation to a live agent.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+     * 
+     */
+    public Builder clearLiveAgentHandoff() {
+      if (liveAgentHandoffBuilder_ == null) {
+        if (messageCase_ == 3) {
+          messageCase_ = 0;
+          message_ = null;
+          onChanged();
+        }
+      } else {
+        if (messageCase_ == 3) {
+          messageCase_ = 0;
+          message_ = null;
+        }
+        liveAgentHandoffBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Hands off conversation to a live agent.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+     * 
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.Builder
+        getLiveAgentHandoffBuilder() {
+      return internalGetLiveAgentHandoffFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * 
+     * Hands off conversation to a live agent.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+     * 
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoffOrBuilder
+        getLiveAgentHandoffOrBuilder() {
+      if ((messageCase_ == 3) && (liveAgentHandoffBuilder_ != null)) {
+        return liveAgentHandoffBuilder_.getMessageOrBuilder();
+      } else {
+        if (messageCase_ == 3) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Hands off conversation to a live agent.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+     * 
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff,
+            com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoffOrBuilder>
+        internalGetLiveAgentHandoffFieldBuilder() {
+      if (liveAgentHandoffBuilder_ == null) {
+        if (!(messageCase_ == 3)) {
+          message_ =
+              com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.getDefaultInstance();
+        }
+        liveAgentHandoffBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff,
+                com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff.Builder,
+                com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoffOrBuilder>(
+                (com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff) message_,
+                getParentForChildren(),
+                isClean());
+        message_ = null;
+      }
+      messageCase_ = 3;
+      onChanged();
+      return liveAgentHandoffBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction,
+            com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.EndInteractionOrBuilder>
+        endInteractionBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * A signal that indicates the interaction with the Dialogflow agent has
+     * ended.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+     *
+     * @return Whether the endInteraction field is set.
+     */
+    @java.lang.Override
+    public boolean hasEndInteraction() {
+      return messageCase_ == 4;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that indicates the interaction with the Dialogflow agent has
+     * ended.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+     *
+     * @return The endInteraction.
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction getEndInteraction() {
+      if (endInteractionBuilder_ == null) {
+        if (messageCase_ == 4) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.getDefaultInstance();
+      } else {
+        if (messageCase_ == 4) {
+          return endInteractionBuilder_.getMessage();
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that indicates the interaction with the Dialogflow agent has
+     * ended.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+     */
+    public Builder setEndInteraction(
+        com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction value) {
+      if (endInteractionBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        message_ = value;
+        onChanged();
+      } else {
+        endInteractionBuilder_.setMessage(value);
+      }
+      messageCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that indicates the interaction with the Dialogflow agent has
+     * ended.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+     */
+    public Builder setEndInteraction(
+        com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.Builder builderForValue) {
+      if (endInteractionBuilder_ == null) {
+        message_ = builderForValue.build();
+        onChanged();
+      } else {
+        endInteractionBuilder_.setMessage(builderForValue.build());
+      }
+      messageCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that indicates the interaction with the Dialogflow agent has
+     * ended.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+     */
+    public Builder mergeEndInteraction(
+        com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction value) {
+      if (endInteractionBuilder_ == null) {
+        if (messageCase_ == 4
+            && message_
+                != com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction
+                    .getDefaultInstance()) {
+          message_ =
+              com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.newBuilder(
+                      (com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) message_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          message_ = value;
+        }
+        onChanged();
+      } else {
+        if (messageCase_ == 4) {
+          endInteractionBuilder_.mergeFrom(value);
+        } else {
+          endInteractionBuilder_.setMessage(value);
+        }
+      }
+      messageCase_ = 4;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that indicates the interaction with the Dialogflow agent has
+     * ended.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+     */
+    public Builder clearEndInteraction() {
+      if (endInteractionBuilder_ == null) {
+        if (messageCase_ == 4) {
+          messageCase_ = 0;
+          message_ = null;
+          onChanged();
+        }
+      } else {
+        if (messageCase_ == 4) {
+          messageCase_ = 0;
+          message_ = null;
+        }
+        endInteractionBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that indicates the interaction with the Dialogflow agent has
+     * ended.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.Builder
+        getEndInteractionBuilder() {
+      return internalGetEndInteractionFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that indicates the interaction with the Dialogflow agent has
+     * ended.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.EndInteractionOrBuilder
+        getEndInteractionOrBuilder() {
+      if ((messageCase_ == 4) && (endInteractionBuilder_ != null)) {
+        return endInteractionBuilder_.getMessageOrBuilder();
+      } else {
+        if (messageCase_ == 4) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that indicates the interaction with the Dialogflow agent has
+     * ended.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction,
+            com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.EndInteractionOrBuilder>
+        internalGetEndInteractionFieldBuilder() {
+      if (endInteractionBuilder_ == null) {
+        if (!(messageCase_ == 4)) {
+          message_ =
+              com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.getDefaultInstance();
+        }
+        endInteractionBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction,
+                com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction.Builder,
+                com.google.cloud.dialogflow.v2.ResponseMessage.EndInteractionOrBuilder>(
+                (com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction) message_,
+                getParentForChildren(),
+                isClean());
+        message_ = null;
+      }
+      messageCase_ = 4;
+      onChanged();
+      return endInteractionBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio,
+            com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudioOrBuilder>
+        mixedAudioBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * An audio response message composed of both the synthesized Dialogflow
+     * agent responses and the audios hosted in places known to the client.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+     *
+     * @return Whether the mixedAudio field is set.
+     */
+    @java.lang.Override
+    public boolean hasMixedAudio() {
+      return messageCase_ == 5;
+    }
+
+    /**
+     *
+     *
+     * 
+     * An audio response message composed of both the synthesized Dialogflow
+     * agent responses and the audios hosted in places known to the client.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+     *
+     * @return The mixedAudio.
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio getMixedAudio() {
+      if (mixedAudioBuilder_ == null) {
+        if (messageCase_ == 5) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.getDefaultInstance();
+      } else {
+        if (messageCase_ == 5) {
+          return mixedAudioBuilder_.getMessage();
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * An audio response message composed of both the synthesized Dialogflow
+     * agent responses and the audios hosted in places known to the client.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+     */
+    public Builder setMixedAudio(com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio value) {
+      if (mixedAudioBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        message_ = value;
+        onChanged();
+      } else {
+        mixedAudioBuilder_.setMessage(value);
+      }
+      messageCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * An audio response message composed of both the synthesized Dialogflow
+     * agent responses and the audios hosted in places known to the client.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+     */
+    public Builder setMixedAudio(
+        com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Builder builderForValue) {
+      if (mixedAudioBuilder_ == null) {
+        message_ = builderForValue.build();
+        onChanged();
+      } else {
+        mixedAudioBuilder_.setMessage(builderForValue.build());
+      }
+      messageCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * An audio response message composed of both the synthesized Dialogflow
+     * agent responses and the audios hosted in places known to the client.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+     */
+    public Builder mergeMixedAudio(
+        com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio value) {
+      if (mixedAudioBuilder_ == null) {
+        if (messageCase_ == 5
+            && message_
+                != com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.getDefaultInstance()) {
+          message_ =
+              com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.newBuilder(
+                      (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) message_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          message_ = value;
+        }
+        onChanged();
+      } else {
+        if (messageCase_ == 5) {
+          mixedAudioBuilder_.mergeFrom(value);
+        } else {
+          mixedAudioBuilder_.setMessage(value);
+        }
+      }
+      messageCase_ = 5;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * An audio response message composed of both the synthesized Dialogflow
+     * agent responses and the audios hosted in places known to the client.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+     */
+    public Builder clearMixedAudio() {
+      if (mixedAudioBuilder_ == null) {
+        if (messageCase_ == 5) {
+          messageCase_ = 0;
+          message_ = null;
+          onChanged();
+        }
+      } else {
+        if (messageCase_ == 5) {
+          messageCase_ = 0;
+          message_ = null;
+        }
+        mixedAudioBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * An audio response message composed of both the synthesized Dialogflow
+     * agent responses and the audios hosted in places known to the client.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Builder
+        getMixedAudioBuilder() {
+      return internalGetMixedAudioFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * 
+     * An audio response message composed of both the synthesized Dialogflow
+     * agent responses and the audios hosted in places known to the client.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudioOrBuilder
+        getMixedAudioOrBuilder() {
+      if ((messageCase_ == 5) && (mixedAudioBuilder_ != null)) {
+        return mixedAudioBuilder_.getMessageOrBuilder();
+      } else {
+        if (messageCase_ == 5) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * An audio response message composed of both the synthesized Dialogflow
+     * agent responses and the audios hosted in places known to the client.
+     * 

+     *
+     * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio,
+            com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudioOrBuilder>
+        internalGetMixedAudioFieldBuilder() {
+      if (mixedAudioBuilder_ == null) {
+        if (!(messageCase_ == 5)) {
+          message_ = com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.getDefaultInstance();
+        }
+        mixedAudioBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio,
+                com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio.Builder,
+                com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudioOrBuilder>(
+                (com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio) message_,
+                getParentForChildren(),
+                isClean());
+        message_ = null;
+      }
+      messageCase_ = 5;
+      onChanged();
+      return mixedAudioBuilder_;
+    }
+
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall,
+            com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCallOrBuilder>
+        telephonyTransferCallBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * A signal that the client should transfer the phone call connected to
+     * this agent to a third-party endpoint.
+     * 

+     *
+     * 
+     * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+     * 
+     *
+     * @return Whether the telephonyTransferCall field is set.
+     */
+    @java.lang.Override
+    public boolean hasTelephonyTransferCall() {
+      return messageCase_ == 6;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that the client should transfer the phone call connected to
+     * this agent to a third-party endpoint.
+     * 

+     *
+     * 
+     * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+     * 
+     *
+     * @return The telephonyTransferCall.
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+        getTelephonyTransferCall() {
+      if (telephonyTransferCallBuilder_ == null) {
+        if (messageCase_ == 6) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+            .getDefaultInstance();
+      } else {
+        if (messageCase_ == 6) {
+          return telephonyTransferCallBuilder_.getMessage();
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+            .getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that the client should transfer the phone call connected to
+     * this agent to a third-party endpoint.
+     * 

+     *
+     * 
+     * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+     * 
+     */
+    public Builder setTelephonyTransferCall(
+        com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall value) {
+      if (telephonyTransferCallBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        message_ = value;
+        onChanged();
+      } else {
+        telephonyTransferCallBuilder_.setMessage(value);
+      }
+      messageCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that the client should transfer the phone call connected to
+     * this agent to a third-party endpoint.
+     * 

+     *
+     * 
+     * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+     * 
+     */
+    public Builder setTelephonyTransferCall(
+        com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.Builder
+            builderForValue) {
+      if (telephonyTransferCallBuilder_ == null) {
+        message_ = builderForValue.build();
+        onChanged();
+      } else {
+        telephonyTransferCallBuilder_.setMessage(builderForValue.build());
+      }
+      messageCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that the client should transfer the phone call connected to
+     * this agent to a third-party endpoint.
+     * 

+     *
+     * 
+     * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+     * 
+     */
+    public Builder mergeTelephonyTransferCall(
+        com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall value) {
+      if (telephonyTransferCallBuilder_ == null) {
+        if (messageCase_ == 6
+            && message_
+                != com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+                    .getDefaultInstance()) {
+          message_ =
+              com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.newBuilder(
+                      (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall)
+                          message_)
+                  .mergeFrom(value)
+                  .buildPartial();
+        } else {
+          message_ = value;
+        }
+        onChanged();
+      } else {
+        if (messageCase_ == 6) {
+          telephonyTransferCallBuilder_.mergeFrom(value);
+        } else {
+          telephonyTransferCallBuilder_.setMessage(value);
+        }
+      }
+      messageCase_ = 6;
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that the client should transfer the phone call connected to
+     * this agent to a third-party endpoint.
+     * 

+     *
+     * 
+     * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+     * 
+     */
+    public Builder clearTelephonyTransferCall() {
+      if (telephonyTransferCallBuilder_ == null) {
+        if (messageCase_ == 6) {
+          messageCase_ = 0;
+          message_ = null;
+          onChanged();
+        }
+      } else {
+        if (messageCase_ == 6) {
+          messageCase_ = 0;
+          message_ = null;
+        }
+        telephonyTransferCallBuilder_.clear();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that the client should transfer the phone call connected to
+     * this agent to a third-party endpoint.
+     * 

+     *
+     * 
+     * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+     * 
+     */
+    public com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.Builder
+        getTelephonyTransferCallBuilder() {
+      return internalGetTelephonyTransferCallFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that the client should transfer the phone call connected to
+     * this agent to a third-party endpoint.
+     * 

+     *
+     * 
+     * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+     * 
+     */
+    @java.lang.Override
+    public com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCallOrBuilder
+        getTelephonyTransferCallOrBuilder() {
+      if ((messageCase_ == 6) && (telephonyTransferCallBuilder_ != null)) {
+        return telephonyTransferCallBuilder_.getMessageOrBuilder();
+      } else {
+        if (messageCase_ == 6) {
+          return (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) message_;
+        }
+        return com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+            .getDefaultInstance();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * A signal that the client should transfer the phone call connected to
+     * this agent to a third-party endpoint.
+     * 

+     *
+     * 
+     * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+     * 
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall,
+            com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.Builder,
+            com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCallOrBuilder>
+        internalGetTelephonyTransferCallFieldBuilder() {
+      if (telephonyTransferCallBuilder_ == null) {
+        if (!(messageCase_ == 6)) {
+          message_ =
+              com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall
+                  .getDefaultInstance();
+        }
+        telephonyTransferCallBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall,
+                com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall.Builder,
+                com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCallOrBuilder>(
+                (com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall) message_,
+                getParentForChildren(),
+                isClean());
+        message_ = null;
+      }
+      messageCase_ = 6;
+      onChanged();
+      return telephonyTransferCallBuilder_;
+    }
+
+    // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.ResponseMessage)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.cloud.dialogflow.v2.ResponseMessage)
+  private static final com.google.cloud.dialogflow.v2.ResponseMessage DEFAULT_INSTANCE;
+
+  static {
+    DEFAULT_INSTANCE = new com.google.cloud.dialogflow.v2.ResponseMessage();
+  }
+
+  public static com.google.cloud.dialogflow.v2.ResponseMessage getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser PARSER =
+      new com.google.protobuf.AbstractParser() {
+        @java.lang.Override
+        public ResponseMessage parsePartialFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+          Builder builder = newBuilder();
+          try {
+            builder.mergeFrom(input, extensionRegistry);
+          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+            throw e.setUnfinishedMessage(builder.buildPartial());
+          } catch (com.google.protobuf.UninitializedMessageException e) {
+            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+          } catch (java.io.IOException e) {
+            throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                .setUnfinishedMessage(builder.buildPartial());
+          }
+          return builder.buildPartial();
+        }
+      };
+
+  public static com.google.protobuf.Parser parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.cloud.dialogflow.v2.ResponseMessage getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+}
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ResponseMessageOrBuilder.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ResponseMessageOrBuilder.java
new file mode 100644
index 000000000000..9876272b802b
--- /dev/null
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/ResponseMessageOrBuilder.java
@@ -0,0 +1,273 @@
+/*
+ * Copyright 2026 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// NO CHECKED-IN PROTOBUF GENCODE
+// source: google/cloud/dialogflow/v2/participant.proto
+// Protobuf Java Version: 4.33.6
+
+package com.google.cloud.dialogflow.v2;
+
+@com.google.protobuf.Generated
+public interface ResponseMessageOrBuilder
+    extends
+    // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.v2.ResponseMessage)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   *
+   *
+   * 
+   * Returns a text response.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+   *
+   * @return Whether the text field is set.
+   */
+  boolean hasText();
+
+  /**
+   *
+   *
+   * 
+   * Returns a text response.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+   *
+   * @return The text.
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.Text getText();
+
+  /**
+   *
+   *
+   * 
+   * Returns a text response.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.Text text = 1;
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.TextOrBuilder getTextOrBuilder();
+
+  /**
+   *
+   *
+   * 
+   * Returns a response containing a custom, platform-specific payload.
+   * 

+   *
+   * .google.protobuf.Struct payload = 2;
+   *
+   * @return Whether the payload field is set.
+   */
+  boolean hasPayload();
+
+  /**
+   *
+   *
+   * 
+   * Returns a response containing a custom, platform-specific payload.
+   * 

+   *
+   * .google.protobuf.Struct payload = 2;
+   *
+   * @return The payload.
+   */
+  com.google.protobuf.Struct getPayload();
+
+  /**
+   *
+   *
+   * 
+   * Returns a response containing a custom, platform-specific payload.
+   * 

+   *
+   * .google.protobuf.Struct payload = 2;
+   */
+  com.google.protobuf.StructOrBuilder getPayloadOrBuilder();
+
+  /**
+   *
+   *
+   * 
+   * Hands off conversation to a live agent.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+   * 
+   *
+   * @return Whether the liveAgentHandoff field is set.
+   */
+  boolean hasLiveAgentHandoff();
+
+  /**
+   *
+   *
+   * 
+   * Hands off conversation to a live agent.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+   * 
+   *
+   * @return The liveAgentHandoff.
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff getLiveAgentHandoff();
+
+  /**
+   *
+   *
+   * 
+   * Hands off conversation to a live agent.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoff live_agent_handoff = 3;
+   * 
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.LiveAgentHandoffOrBuilder
+      getLiveAgentHandoffOrBuilder();
+
+  /**
+   *
+   *
+   * 
+   * A signal that indicates the interaction with the Dialogflow agent has
+   * ended.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+   *
+   * @return Whether the endInteraction field is set.
+   */
+  boolean hasEndInteraction();
+
+  /**
+   *
+   *
+   * 
+   * A signal that indicates the interaction with the Dialogflow agent has
+   * ended.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+   *
+   * @return The endInteraction.
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.EndInteraction getEndInteraction();
+
+  /**
+   *
+   *
+   * 
+   * A signal that indicates the interaction with the Dialogflow agent has
+   * ended.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.EndInteraction end_interaction = 4;
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.EndInteractionOrBuilder
+      getEndInteractionOrBuilder();
+
+  /**
+   *
+   *
+   * 
+   * An audio response message composed of both the synthesized Dialogflow
+   * agent responses and the audios hosted in places known to the client.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+   *
+   * @return Whether the mixedAudio field is set.
+   */
+  boolean hasMixedAudio();
+
+  /**
+   *
+   *
+   * 
+   * An audio response message composed of both the synthesized Dialogflow
+   * agent responses and the audios hosted in places known to the client.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+   *
+   * @return The mixedAudio.
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudio getMixedAudio();
+
+  /**
+   *
+   *
+   * 
+   * An audio response message composed of both the synthesized Dialogflow
+   * agent responses and the audios hosted in places known to the client.
+   * 

+   *
+   * .google.cloud.dialogflow.v2.ResponseMessage.MixedAudio mixed_audio = 5;
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.MixedAudioOrBuilder getMixedAudioOrBuilder();
+
+  /**
+   *
+   *
+   * 
+   * A signal that the client should transfer the phone call connected to
+   * this agent to a third-party endpoint.
+   * 

+   *
+   * 
+   * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+   * 
+   *
+   * @return Whether the telephonyTransferCall field is set.
+   */
+  boolean hasTelephonyTransferCall();
+
+  /**
+   *
+   *
+   * 
+   * A signal that the client should transfer the phone call connected to
+   * this agent to a third-party endpoint.
+   * 

+   *
+   * 
+   * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+   * 
+   *
+   * @return The telephonyTransferCall.
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall getTelephonyTransferCall();
+
+  /**
+   *
+   *
+   * 
+   * A signal that the client should transfer the phone call connected to
+   * this agent to a third-party endpoint.
+   * 

+   *
+   * 
+   * .google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCall telephony_transfer_call = 6;
+   * 
+   */
+  com.google.cloud.dialogflow.v2.ResponseMessage.TelephonyTransferCallOrBuilder
+      getTelephonyTransferCallOrBuilder();
+
+  com.google.cloud.dialogflow.v2.ResponseMessage.MessageCase getMessageCase();
+}
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SentimentAnalysisResult.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SentimentAnalysisResult.java
index 50d509ebbcd0..0c0544a09b05 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SentimentAnalysisResult.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SentimentAnalysisResult.java
@@ -134,6 +134,61 @@ public com.google.cloud.dialogflow.v2.SentimentOrBuilder getQueryTextSentimentOr
         : queryTextSentiment_;
   }
 
+  public static final int STATUS_FIELD_NUMBER = 3;
+  private com.google.rpc.Status status_;
+
+  /**
+   *
+   *
+   * 
+   * Output only. The status of the sentiment analysis operation.
+   * If the operation failed, this field will contain the error details.
+   * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+   * 

+   *
+   * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   *
+   * @return Whether the status field is set.
+   */
+  @java.lang.Override
+  public boolean hasStatus() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * 
+   * Output only. The status of the sentiment analysis operation.
+   * If the operation failed, this field will contain the error details.
+   * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+   * 

+   *
+   * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   *
+   * @return The status.
+   */
+  @java.lang.Override
+  public com.google.rpc.Status getStatus() {
+    return status_ == null ? com.google.rpc.Status.getDefaultInstance() : status_;
+  }
+
+  /**
+   *
+   *
+   * 
+   * Output only. The status of the sentiment analysis operation.
+   * If the operation failed, this field will contain the error details.
+   * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+   * 

+   *
+   * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   */
+  @java.lang.Override
+  public com.google.rpc.StatusOrBuilder getStatusOrBuilder() {
+    return status_ == null ? com.google.rpc.Status.getDefaultInstance() : status_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -151,6 +206,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (((bitField0_ & 0x00000001) != 0)) {
       output.writeMessage(1, getQueryTextSentiment());
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeMessage(3, getStatus());
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -163,6 +221,9 @@ public int getSerializedSize() {
     if (((bitField0_ & 0x00000001) != 0)) {
       size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getQueryTextSentiment());
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getStatus());
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -183,6 +244,10 @@ public boolean equals(final java.lang.Object obj) {
     if (hasQueryTextSentiment()) {
       if (!getQueryTextSentiment().equals(other.getQueryTextSentiment())) return false;
     }
+    if (hasStatus() != other.hasStatus()) return false;
+    if (hasStatus()) {
+      if (!getStatus().equals(other.getStatus())) return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -198,6 +263,10 @@ public int hashCode() {
       hash = (37 * hash) + QUERY_TEXT_SENTIMENT_FIELD_NUMBER;
       hash = (53 * hash) + getQueryTextSentiment().hashCode();
     }
+    if (hasStatus()) {
+      hash = (37 * hash) + STATUS_FIELD_NUMBER;
+      hash = (53 * hash) + getStatus().hashCode();
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -353,6 +422,7 @@ private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
     private void maybeForceBuilderInitialization() {
       if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
         internalGetQueryTextSentimentFieldBuilder();
+        internalGetStatusFieldBuilder();
       }
     }
 
@@ -365,6 +435,11 @@ public Builder clear() {
         queryTextSentimentBuilder_.dispose();
         queryTextSentimentBuilder_ = null;
       }
+      status_ = null;
+      if (statusBuilder_ != null) {
+        statusBuilder_.dispose();
+        statusBuilder_ = null;
+      }
       return this;
     }
 
@@ -409,6 +484,10 @@ private void buildPartial0(com.google.cloud.dialogflow.v2.SentimentAnalysisResul
                 : queryTextSentimentBuilder_.build();
         to_bitField0_ |= 0x00000001;
       }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.status_ = statusBuilder_ == null ? status_ : statusBuilder_.build();
+        to_bitField0_ |= 0x00000002;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -428,6 +507,9 @@ public Builder mergeFrom(com.google.cloud.dialogflow.v2.SentimentAnalysisResult
       if (other.hasQueryTextSentiment()) {
         mergeQueryTextSentiment(other.getQueryTextSentiment());
       }
+      if (other.hasStatus()) {
+        mergeStatus(other.getStatus());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -461,6 +543,12 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000001;
                 break;
               } // case 10
+            case 26:
+              {
+                input.readMessage(internalGetStatusFieldBuilder().getBuilder(), extensionRegistry);
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 26
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -676,6 +764,209 @@ public com.google.cloud.dialogflow.v2.SentimentOrBuilder getQueryTextSentimentOr
       return queryTextSentimentBuilder_;
     }
 
+    private com.google.rpc.Status status_;
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
+        statusBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * Output only. The status of the sentiment analysis operation.
+     * If the operation failed, this field will contain the error details.
+     * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+     * 

+     *
+     * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     *
+     * @return Whether the status field is set.
+     */
+    public boolean hasStatus() {
+      return ((bitField0_ & 0x00000002) != 0);
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. The status of the sentiment analysis operation.
+     * If the operation failed, this field will contain the error details.
+     * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+     * 

+     *
+     * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     *
+     * @return The status.
+     */
+    public com.google.rpc.Status getStatus() {
+      if (statusBuilder_ == null) {
+        return status_ == null ? com.google.rpc.Status.getDefaultInstance() : status_;
+      } else {
+        return statusBuilder_.getMessage();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. The status of the sentiment analysis operation.
+     * If the operation failed, this field will contain the error details.
+     * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+     * 

+     *
+     * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     */
+    public Builder setStatus(com.google.rpc.Status value) {
+      if (statusBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        status_ = value;
+      } else {
+        statusBuilder_.setMessage(value);
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. The status of the sentiment analysis operation.
+     * If the operation failed, this field will contain the error details.
+     * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+     * 

+     *
+     * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     */
+    public Builder setStatus(com.google.rpc.Status.Builder builderForValue) {
+      if (statusBuilder_ == null) {
+        status_ = builderForValue.build();
+      } else {
+        statusBuilder_.setMessage(builderForValue.build());
+      }
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. The status of the sentiment analysis operation.
+     * If the operation failed, this field will contain the error details.
+     * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+     * 

+     *
+     * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     */
+    public Builder mergeStatus(com.google.rpc.Status value) {
+      if (statusBuilder_ == null) {
+        if (((bitField0_ & 0x00000002) != 0)
+            && status_ != null
+            && status_ != com.google.rpc.Status.getDefaultInstance()) {
+          getStatusBuilder().mergeFrom(value);
+        } else {
+          status_ = value;
+        }
+      } else {
+        statusBuilder_.mergeFrom(value);
+      }
+      if (status_ != null) {
+        bitField0_ |= 0x00000002;
+        onChanged();
+      }
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. The status of the sentiment analysis operation.
+     * If the operation failed, this field will contain the error details.
+     * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+     * 

+     *
+     * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     */
+    public Builder clearStatus() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      status_ = null;
+      if (statusBuilder_ != null) {
+        statusBuilder_.dispose();
+        statusBuilder_ = null;
+      }
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. The status of the sentiment analysis operation.
+     * If the operation failed, this field will contain the error details.
+     * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+     * 

+     *
+     * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     */
+    public com.google.rpc.Status.Builder getStatusBuilder() {
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return internalGetStatusFieldBuilder().getBuilder();
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. The status of the sentiment analysis operation.
+     * If the operation failed, this field will contain the error details.
+     * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+     * 

+     *
+     * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     */
+    public com.google.rpc.StatusOrBuilder getStatusOrBuilder() {
+      if (statusBuilder_ != null) {
+        return statusBuilder_.getMessageOrBuilder();
+      } else {
+        return status_ == null ? com.google.rpc.Status.getDefaultInstance() : status_;
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. The status of the sentiment analysis operation.
+     * If the operation failed, this field will contain the error details.
+     * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+     * 

+     *
+     * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     */
+    private com.google.protobuf.SingleFieldBuilder<
+            com.google.rpc.Status, com.google.rpc.Status.Builder, com.google.rpc.StatusOrBuilder>
+        internalGetStatusFieldBuilder() {
+      if (statusBuilder_ == null) {
+        statusBuilder_ =
+            new com.google.protobuf.SingleFieldBuilder<
+                com.google.rpc.Status,
+                com.google.rpc.Status.Builder,
+                com.google.rpc.StatusOrBuilder>(getStatus(), getParentForChildren(), isClean());
+        status_ = null;
+      }
+      return statusBuilder_;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.SentimentAnalysisResult)
   }
 
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SentimentAnalysisResultOrBuilder.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SentimentAnalysisResultOrBuilder.java
index 3be930634f39..e58278c36cb8 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SentimentAnalysisResultOrBuilder.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SentimentAnalysisResultOrBuilder.java
@@ -62,4 +62,47 @@ public interface SentimentAnalysisResultOrBuilder
    * .google.cloud.dialogflow.v2.Sentiment query_text_sentiment = 1;
    */
   com.google.cloud.dialogflow.v2.SentimentOrBuilder getQueryTextSentimentOrBuilder();
+
+  /**
+   *
+   *
+   * 
+   * Output only. The status of the sentiment analysis operation.
+   * If the operation failed, this field will contain the error details.
+   * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+   * 

+   *
+   * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   *
+   * @return Whether the status field is set.
+   */
+  boolean hasStatus();
+
+  /**
+   *
+   *
+   * 
+   * Output only. The status of the sentiment analysis operation.
+   * If the operation failed, this field will contain the error details.
+   * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+   * 

+   *
+   * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   *
+   * @return The status.
+   */
+  com.google.rpc.Status getStatus();
+
+  /**
+   *
+   *
+   * 
+   * Output only. The status of the sentiment analysis operation.
+   * If the operation failed, this field will contain the error details.
+   * For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+   * 

+   *
+   * .google.rpc.Status status = 3 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   */
+  com.google.rpc.StatusOrBuilder getStatusOrBuilder();
 }
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SessionProto.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SessionProto.java
index e4e55d9aeb5c..50d84e52aed1 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SessionProto.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SessionProto.java
@@ -109,182 +109,171 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
 
   static {
     java.lang.String[] descriptorData = {
-      "\n"
-          + "(google/cloud/dialogflow/v2/session.pro"
+      "\n(google/cloud/dialogflow/v2/session.pro"
           + "to\022\032google.cloud.dialogflow.v2\032\034google/a"
           + "pi/annotations.proto\032\027google/api/client."
           + "proto\032\037google/api/field_behavior.proto\032\031"
-          + "google/api/resource.proto\032-google/cloud/dialogflow/v2/audio_config.proto\032(google"
+          + "google/api/resource.proto\032-google/cloud/"
+          + "dialogflow/v2/audio_config.proto\032(google"
           + "/cloud/dialogflow/v2/context.proto\032\'goog"
-          + "le/cloud/dialogflow/v2/intent.proto\0324google/cloud/dialogflow/v2/session_entity_t"
-          + "ype.proto\032\036google/protobuf/duration.proto\032"
-          + " google/protobuf/field_mask.proto\032\034goo"
-          + "gle/protobuf/struct.proto\032\027google/rpc/status.proto\032\030google/type/latlng.proto\"\367\002\n"
-          + "\023DetectIntentRequest\022;\n"
-          + "\007session\030\001 \001(\tB*\342A\001\002\372A#\n"
-          + "!dialogflow.googleapis.com/Session\022A\n"
-          + "\014query_params\030\002 \001(\0132+.google.cloud.dialogflow.v2.QueryParameters\022A\n"
-          + "\013query_input\030\003"
-          + " \001(\0132&.google.cloud.dialogflow.v2.QueryInputB\004\342A\001\002\022J\n"
-          + "\023output_audio_config\030\004"
-          + " \001(\0132-.google.cloud.dialogflow.v2.OutputAudioConfig\022<\n"
-          + "\030output_audio_config_mask\030\007"
-          + " \001(\0132\032.google.protobuf.FieldMask\022\023\n"
-          + "\013input_audio\030\005 \001(\014\"\370\001\n"
-          + "\024DetectIntentResponse\022\023\n"
-          + "\013response_id\030\001 \001(\t\022=\n"
-          + "\014query_result\030\002 \001(\0132\'.google.cloud.dialogflow.v2.QueryResult\022*\n"
-          + "\016webhook_status\030\003 \001(\0132\022.google.rpc.Status\022\024\n"
-          + "\014output_audio\030\004 \001(\014\022J\n"
-          + "\023output_audio_config\030\006"
-          + " \001(\0132-.google.cloud.dialogflow.v2.OutputAudioConfig\"\237\004\n"
-          + "\017QueryParameters\022\021\n"
-          + "\ttime_zone\030\001 \001(\t\022)\n"
-          + "\014geo_location\030\002 \001(\0132\023.google.type.LatLng\0225\n"
-          + "\010contexts\030\003 \003(\0132#.google.cloud.dialogflow.v2.Context\022\026\n"
-          + "\016reset_contexts\030\004 \001(\010\022K\n"
-          + "\024session_entity_types\030\005"
-          + " \003(\0132-.google.cloud.dialogflow.v2.SessionEntityType\022(\n"
-          + "\007payload\030\006 \001(\0132\027.google.protobuf.Struct\022e\n"
-          + "!sentiment_analysis_request_config\030\n"
-          + " \001(\0132:.google.cloud.dialogflow.v2.SentimentAnalysisRequestConfig\022X\n"
-          + "\017webhook_headers\030\016 \003(\0132?.goog"
-          + "le.cloud.dialogflow.v2.QueryParameters.WebhookHeadersEntry\022\020\n"
-          + "\010platform\030\022 \001(\t\0325\n"
-          + "\023WebhookHeadersEntry\022\013\n"
-          + "\003key\030\001 \001(\t\022\r\n"
-          + "\005value\030\002 \001(\t:\0028\001\"\313\001\n\n"
-          + "QueryInput\022D\n"
-          + "\014audio_config\030\001"
-          + " \001(\0132,.google.cloud.dialogflow.v2.InputAudioConfigH\000\0225\n"
-          + "\004text\030\002 \001(\0132%.google.cloud.dialogflow.v2.TextInputH\000\0227\n"
-          + "\005event\030\003 \001(\0132&.google.cloud.dialogflow.v2.EventInputH\000B\007\n"
-          + "\005input\"\256\005\n"
-          + "\013QueryResult\022\022\n\n"
-          + "query_text\030\001 \001(\t\022\025\n\r"
-          + "language_code\030\017 \001(\t\022%\n"
-          + "\035speech_recognition_confidence\030\002 \001(\002\022\016\n"
-          + "\006action\030\003 \001(\t\022+\n\n"
-          + "parameters\030\004 \001(\0132\027.google.protobuf.Struct\022#\n"
-          + "\033all_required_params_present\030\005 \001(\010\022\034\n"
-          + "\024cancels_slot_filling\030\025 \001(\010\022\030\n"
-          + "\020fulfillment_text\030\006 \001(\t\022H\n"
-          + "\024fulfillment_messages\030\007"
-          + " \003(\0132*.google.cloud.dialogflow.v2.Intent.Message\022\026\n"
-          + "\016webhook_source\030\010 \001(\t\0220\n"
-          + "\017webhook_payload\030\t \001(\0132\027.google.protobuf.Struct\022<\n"
-          + "\017output_contexts\030\n"
-          + " \003(\0132#.google.cloud.dialogflow.v2.Context\0222\n"
-          + "\006intent\030\013 \001(\0132\".google.cloud.dialogflow.v2.Intent\022#\n"
-          + "\033intent_detection_confidence\030\014 \001(\002\0220\n"
-          + "\017diagnostic_info\030\016 \001(\0132\027.google.protobuf.Struct\022V\n"
-          + "\031sentiment_analysis_result\030\021"
-          + " \001(\01323.google.cloud.dialogflow.v2.SentimentAnalysisResult\"\275\003\n"
-          + "\034StreamingDetectIntentRequest\022;\n"
-          + "\007session\030\001 \001(\tB*\342A\001\002\372A#\n"
-          + "!dialogflow.googleapis.com/Session\022A\n"
-          + "\014query_params\030\002 \001(\0132+.google.cloud.dialogflow.v2.QueryParameters\022A\n"
-          + "\013query_input\030\003"
-          + " \001(\0132&.google.cloud.dialogflow.v2.QueryInputB\004\342A\001\002\022\034\n"
-          + "\020single_utterance\030\004 \001(\010B\002\030\001\022J\n"
-          + "\023output_audio_config\030\005 \001(\0132-.goog"
-          + "le.cloud.dialogflow.v2.OutputAudioConfig\022<\n"
-          + "\030output_audio_config_mask\030\007"
-          + " \001(\0132\032.google.protobuf.FieldMask\022\023\n"
-          + "\013input_audio\030\006 \001(\014\022\035\n"
-          + "\025enable_debugging_info\030\010 \001(\010\"\260\007\n"
-          + "\036CloudConversationDebuggingInfo\022\031\n"
-          + "\021audio_data_chunks\030\001 \001(\005\0229\n"
-          + "\026result_end_time_offset\030\002 \001(\0132\031.google.protobuf.Duration\0227\n"
-          + "\024first_audio_duration\030\003 \001(\0132\031.google.protobuf.Duration\022\030\n"
-          + "\020single_utterance\030\005 \001(\010\022C\n"
-          + " speech_partial_results_end_times\030\006"
-          + " \003(\0132\031.google.protobuf.Duration\022A\n"
-          + "\036speech_final_results_end_times\030\007"
-          + " \003(\0132\031.google.protobuf.Duration\022\031\n"
-          + "\021partial_responses\030\010 \001(\005\022,\n"
-          + "$speaker_id_passive_latency_ms_offset\030\t \001(\005\022\037\n"
-          + "\027bargein_event_triggered\030\n"
-          + " \001(\010\022\037\n"
-          + "\027speech_single_utterance\030\013 \001(\010\022=\n"
-          + "\032dtmf_partial_results_times\030\014 \003(\0132\031.google.protobuf.Duration\022;\n"
-          + "\030dtmf_final_results_times\030\r"
-          + " \003(\0132\031.google.protobuf.Duration\022C\n"
-          + " single_utterance_end_time_offset\030\016"
-          + " \001(\0132\031.google.protobuf.Duration\0224\n"
-          + "\021no_speech_timeout\030\017 \001(\0132\031.google.protobuf.Duration\0226\n"
-          + "\023endpointing_timeout\030\023 \001(\0132\031.google.protobuf.Duration\022\025\n\r"
-          + "is_input_text\030\020 \001(\010\022@\n"
-          + "\035client_half_close_time_offset\030\021"
-          + " \001(\0132\031.google.protobuf.Duration\022J\n"
-          + "\'client_half_close_streaming_time_offset\030\022"
-          + " \001(\0132\031.google.protobuf.Duration\"\251\003\n"
-          + "\035StreamingDetectIntentResponse\022\023\n"
-          + "\013response_id\030\001 \001(\t\022R\n"
-          + "\022recognition_result\030\002 \001(\01326.google.cloud."
-          + "dialogflow.v2.StreamingRecognitionResult\022=\n"
-          + "\014query_result\030\003 \001(\0132\'.google.cloud.dialogflow.v2.QueryResult\022*\n"
-          + "\016webhook_status\030\004 \001(\0132\022.google.rpc.Status\022\024\n"
-          + "\014output_audio\030\005 \001(\014\022J\n"
-          + "\023output_audio_config\030\006 \001(\0132-"
-          + ".google.cloud.dialogflow.v2.OutputAudioConfig\022R\n"
-          + "\016debugging_info\030\010 \001(\0132:.google.c"
-          + "loud.dialogflow.v2.CloudConversationDebuggingInfo\"\374\003\n"
-          + "\032StreamingRecognitionResult\022X\n"
-          + "\014message_type\030\001 \001(\0162B.google.cloud.di"
-          + "alogflow.v2.StreamingRecognitionResult.MessageType\022\022\n\n"
-          + "transcript\030\002 \001(\t\022\020\n"
-          + "\010is_final\030\003 \001(\010\022\022\n\n"
-          + "confidence\030\004 \001(\002\022D\n"
-          + "\020speech_word_info\030\007"
-          + " \003(\0132*.google.cloud.dialogflow.v2.SpeechWordInfo\0224\n"
-          + "\021speech_end_offset\030\010 \001(\0132\031.google.protobuf.Duration\022\025\n\r"
-          + "language_code\030\n"
-          + " \001(\t\"\266\001\n"
-          + "\013MessageType\022\034\n"
-          + "\030MESSAGE_TYPE_UNSPECIFIED\020\000\022\016\n\n"
-          + "TRANSCRIPT\020\001\022\017\n"
-          + "\013DTMF_DIGITS\020\003\022\033\n"
-          + "\027END_OF_SINGLE_UTTERANCE\020\002\022\027\n"
-          + "\023PARTIAL_DTMF_DIGITS\020\004\022\031\n"
-          + "\025SPEECH_ACTIVITY_BEGIN\020\005\022\027\n"
-          + "\023SPEECH_ACTIVITY_END\020\006\"<\n"
-          + "\tTextInput\022\022\n"
-          + "\004text\030\001 \001(\tB\004\342A\001\001\022\033\n\r"
-          + "language_code\030\002 \001(\tB\004\342A\001\002\"j\n\n"
-          + "EventInput\022\022\n"
-          + "\004name\030\001 \001(\tB\004\342A\001\002\022+\n\n"
-          + "parameters\030\002 \001(\0132\027.google.protobuf.Struct\022\033\n\r"
-          + "language_code\030\003 \001(\tB\004\342A\001\002\"F\n"
-          + "\036SentimentAnalysisRequestConfig\022$\n"
-          + "\034analyze_query_text_sentiment\030\001 \001(\010\"^\n"
-          + "\027SentimentAnalysisResult\022C\n"
-          + "\024query_text_sentiment\030\001 \001(\0132%.google.cloud.dialogflow.v2.Sentiment\"-\n"
-          + "\tSentiment\022\r\n"
-          + "\005score\030\001 \001(\002\022\021\n"
-          + "\tmagnitude\030\002 \001(\0022\345\005\n"
-          + "\010Sessions\022\311\003\n"
-          + "\014DetectIntent\022/.google.cloud.dialogflo"
-          + "w.v2.DetectIntentRequest\0320.google.cloud."
-          + "dialogflow.v2.DetectIntentResponse\"\325\002\332A\023"
-          + "session,query_input\202\323\344\223\002\270\002\"6/v2/{session"
-          + "=projects/*/agent/sessions/*}:detectIntent:\001*ZR\"M/v2/{session=projects/*/agent/e"
-          + "nvironments/*/users/*/sessions/*}:detectIntent:\001*ZG\"B/v2/{session=projects/*/loc"
-          + "ations/*/agent/sessions/*}:detectIntent:\001*Z^\"Y/v2/{session=projects/*/locations/"
-          + "*/agent/environments/*/users/*/sessions/*}:detectIntent:\001*\022\222\001\n"
-          + "\025StreamingDetectIntent\0228.google.cloud.dialogflow.v2.Stream"
-          + "ingDetectIntentRequest\0329.google.cloud.dialogflow.v2.StreamingDetectIntentRespons"
-          + "e\"\000(\0010\001\032x\312A\031dialogflow.googleapis.com\322AY"
-          + "https://www.googleapis.com/auth/cloud-pl"
-          + "atform,https://www.googleapis.com/auth/dialogflowB\347\003\n"
-          + "\036com.google.cloud.dialogflow.v2B\014SessionProtoP\001Z>cloud.google.com/g"
-          + "o/dialogflow/apiv2/dialogflowpb;dialogfl"
-          + "owpb\242\002\002DF\252\002\032Google.Cloud.Dialogflow.V2\352A\321\002\n"
-          + "!dialogflow.googleapis.com/Session\022+projects/{project}/agent/sessions/{sessio"
-          + "n}\022Sprojects/{project}/agent/environments/{environment}/users/{user}/sessions/{s"
-          + "ession}\022@projects/{project}/locations/{location}/agent/sessions/{session}\022hproje"
-          + "cts/{project}/locations/{location}/agent/environments/{environment}/users/{user}"
-          + "/sessions/{session}b\006proto3"
+          + "le/cloud/dialogflow/v2/intent.proto\0324goo"
+          + "gle/cloud/dialogflow/v2/session_entity_t"
+          + "ype.proto\032\036google/protobuf/duration.prot"
+          + "o\032 google/protobuf/field_mask.proto\032\034goo"
+          + "gle/protobuf/struct.proto\032\027google/rpc/st"
+          + "atus.proto\032\030google/type/latlng.proto\"\367\002\n"
+          + "\023DetectIntentRequest\022;\n\007session\030\001 \001(\tB*\342"
+          + "A\001\002\372A#\n!dialogflow.googleapis.com/Sessio"
+          + "n\022A\n\014query_params\030\002 \001(\0132+.google.cloud.d"
+          + "ialogflow.v2.QueryParameters\022A\n\013query_in"
+          + "put\030\003 \001(\0132&.google.cloud.dialogflow.v2.Q"
+          + "ueryInputB\004\342A\001\002\022J\n\023output_audio_config\030\004"
+          + " \001(\0132-.google.cloud.dialogflow.v2.Output"
+          + "AudioConfig\022<\n\030output_audio_config_mask\030"
+          + "\007 \001(\0132\032.google.protobuf.FieldMask\022\023\n\013inp"
+          + "ut_audio\030\005 \001(\014\"\370\001\n\024DetectIntentResponse\022"
+          + "\023\n\013response_id\030\001 \001(\t\022=\n\014query_result\030\002 \001"
+          + "(\0132\'.google.cloud.dialogflow.v2.QueryRes"
+          + "ult\022*\n\016webhook_status\030\003 \001(\0132\022.google.rpc"
+          + ".Status\022\024\n\014output_audio\030\004 \001(\014\022J\n\023output_"
+          + "audio_config\030\006 \001(\0132-.google.cloud.dialog"
+          + "flow.v2.OutputAudioConfig\"\237\004\n\017QueryParam"
+          + "eters\022\021\n\ttime_zone\030\001 \001(\t\022)\n\014geo_location"
+          + "\030\002 \001(\0132\023.google.type.LatLng\0225\n\010contexts\030"
+          + "\003 \003(\0132#.google.cloud.dialogflow.v2.Conte"
+          + "xt\022\026\n\016reset_contexts\030\004 \001(\010\022K\n\024session_en"
+          + "tity_types\030\005 \003(\0132-.google.cloud.dialogfl"
+          + "ow.v2.SessionEntityType\022(\n\007payload\030\006 \001(\013"
+          + "2\027.google.protobuf.Struct\022e\n!sentiment_a"
+          + "nalysis_request_config\030\n \001(\0132:.google.cl"
+          + "oud.dialogflow.v2.SentimentAnalysisReque"
+          + "stConfig\022X\n\017webhook_headers\030\016 \003(\0132?.goog"
+          + "le.cloud.dialogflow.v2.QueryParameters.W"
+          + "ebhookHeadersEntry\022\020\n\010platform\030\022 \001(\t\0325\n\023"
+          + "WebhookHeadersEntry\022\013\n\003key\030\001 \001(\t\022\r\n\005valu"
+          + "e\030\002 \001(\t:\0028\001\"\313\001\n\nQueryInput\022D\n\014audio_conf"
+          + "ig\030\001 \001(\0132,.google.cloud.dialogflow.v2.In"
+          + "putAudioConfigH\000\0225\n\004text\030\002 \001(\0132%.google."
+          + "cloud.dialogflow.v2.TextInputH\000\0227\n\005event"
+          + "\030\003 \001(\0132&.google.cloud.dialogflow.v2.Even"
+          + "tInputH\000B\007\n\005input\"\256\005\n\013QueryResult\022\022\n\nque"
+          + "ry_text\030\001 \001(\t\022\025\n\rlanguage_code\030\017 \001(\t\022%\n\035"
+          + "speech_recognition_confidence\030\002 \001(\002\022\016\n\006a"
+          + "ction\030\003 \001(\t\022+\n\nparameters\030\004 \001(\0132\027.google"
+          + ".protobuf.Struct\022#\n\033all_required_params_"
+          + "present\030\005 \001(\010\022\034\n\024cancels_slot_filling\030\025 "
+          + "\001(\010\022\030\n\020fulfillment_text\030\006 \001(\t\022H\n\024fulfill"
+          + "ment_messages\030\007 \003(\0132*.google.cloud.dialo"
+          + "gflow.v2.Intent.Message\022\026\n\016webhook_sourc"
+          + "e\030\010 \001(\t\0220\n\017webhook_payload\030\t \001(\0132\027.googl"
+          + "e.protobuf.Struct\022<\n\017output_contexts\030\n \003"
+          + "(\0132#.google.cloud.dialogflow.v2.Context\022"
+          + "2\n\006intent\030\013 \001(\0132\".google.cloud.dialogflo"
+          + "w.v2.Intent\022#\n\033intent_detection_confiden"
+          + "ce\030\014 \001(\002\0220\n\017diagnostic_info\030\016 \001(\0132\027.goog"
+          + "le.protobuf.Struct\022V\n\031sentiment_analysis"
+          + "_result\030\021 \001(\01323.google.cloud.dialogflow."
+          + "v2.SentimentAnalysisResult\"\275\003\n\034Streaming"
+          + "DetectIntentRequest\022;\n\007session\030\001 \001(\tB*\342A"
+          + "\001\002\372A#\n!dialogflow.googleapis.com/Session"
+          + "\022A\n\014query_params\030\002 \001(\0132+.google.cloud.di"
+          + "alogflow.v2.QueryParameters\022A\n\013query_inp"
+          + "ut\030\003 \001(\0132&.google.cloud.dialogflow.v2.Qu"
+          + "eryInputB\004\342A\001\002\022\034\n\020single_utterance\030\004 \001(\010"
+          + "B\002\030\001\022J\n\023output_audio_config\030\005 \001(\0132-.goog"
+          + "le.cloud.dialogflow.v2.OutputAudioConfig"
+          + "\022<\n\030output_audio_config_mask\030\007 \001(\0132\032.goo"
+          + "gle.protobuf.FieldMask\022\023\n\013input_audio\030\006 "
+          + "\001(\014\022\035\n\025enable_debugging_info\030\010 \001(\010\"\260\007\n\036C"
+          + "loudConversationDebuggingInfo\022\031\n\021audio_d"
+          + "ata_chunks\030\001 \001(\005\0229\n\026result_end_time_offs"
+          + "et\030\002 \001(\0132\031.google.protobuf.Duration\0227\n\024f"
+          + "irst_audio_duration\030\003 \001(\0132\031.google.proto"
+          + "buf.Duration\022\030\n\020single_utterance\030\005 \001(\010\022C"
+          + "\n speech_partial_results_end_times\030\006 \003(\013"
+          + "2\031.google.protobuf.Duration\022A\n\036speech_fi"
+          + "nal_results_end_times\030\007 \003(\0132\031.google.pro"
+          + "tobuf.Duration\022\031\n\021partial_responses\030\010 \001("
+          + "\005\022,\n$speaker_id_passive_latency_ms_offse"
+          + "t\030\t \001(\005\022\037\n\027bargein_event_triggered\030\n \001(\010"
+          + "\022\037\n\027speech_single_utterance\030\013 \001(\010\022=\n\032dtm"
+          + "f_partial_results_times\030\014 \003(\0132\031.google.p"
+          + "rotobuf.Duration\022;\n\030dtmf_final_results_t"
+          + "imes\030\r \003(\0132\031.google.protobuf.Duration\022C\n"
+          + " single_utterance_end_time_offset\030\016 \001(\0132"
+          + "\031.google.protobuf.Duration\0224\n\021no_speech_"
+          + "timeout\030\017 \001(\0132\031.google.protobuf.Duration"
+          + "\0226\n\023endpointing_timeout\030\023 \001(\0132\031.google.p"
+          + "rotobuf.Duration\022\025\n\ris_input_text\030\020 \001(\010\022"
+          + "@\n\035client_half_close_time_offset\030\021 \001(\0132\031"
+          + ".google.protobuf.Duration\022J\n\'client_half"
+          + "_close_streaming_time_offset\030\022 \001(\0132\031.goo"
+          + "gle.protobuf.Duration\"\251\003\n\035StreamingDetec"
+          + "tIntentResponse\022\023\n\013response_id\030\001 \001(\t\022R\n\022"
+          + "recognition_result\030\002 \001(\01326.google.cloud."
+          + "dialogflow.v2.StreamingRecognitionResult"
+          + "\022=\n\014query_result\030\003 \001(\0132\'.google.cloud.di"
+          + "alogflow.v2.QueryResult\022*\n\016webhook_statu"
+          + "s\030\004 \001(\0132\022.google.rpc.Status\022\024\n\014output_au"
+          + "dio\030\005 \001(\014\022J\n\023output_audio_config\030\006 \001(\0132-"
+          + ".google.cloud.dialogflow.v2.OutputAudioC"
+          + "onfig\022R\n\016debugging_info\030\010 \001(\0132:.google.c"
+          + "loud.dialogflow.v2.CloudConversationDebu"
+          + "ggingInfo\"\374\003\n\032StreamingRecognitionResult"
+          + "\022X\n\014message_type\030\001 \001(\0162B.google.cloud.di"
+          + "alogflow.v2.StreamingRecognitionResult.M"
+          + "essageType\022\022\n\ntranscript\030\002 \001(\t\022\020\n\010is_fin"
+          + "al\030\003 \001(\010\022\022\n\nconfidence\030\004 \001(\002\022D\n\020speech_w"
+          + "ord_info\030\007 \003(\0132*.google.cloud.dialogflow"
+          + ".v2.SpeechWordInfo\0224\n\021speech_end_offset\030"
+          + "\010 \001(\0132\031.google.protobuf.Duration\022\025\n\rlang"
+          + "uage_code\030\n \001(\t\"\266\001\n\013MessageType\022\034\n\030MESSA"
+          + "GE_TYPE_UNSPECIFIED\020\000\022\016\n\nTRANSCRIPT\020\001\022\017\n"
+          + "\013DTMF_DIGITS\020\003\022\033\n\027END_OF_SINGLE_UTTERANC"
+          + "E\020\002\022\027\n\023PARTIAL_DTMF_DIGITS\020\004\022\031\n\025SPEECH_A"
+          + "CTIVITY_BEGIN\020\005\022\027\n\023SPEECH_ACTIVITY_END\020\006"
+          + "\"<\n\tTextInput\022\022\n\004text\030\001 \001(\tB\004\342A\001\001\022\033\n\rlan"
+          + "guage_code\030\002 \001(\tB\004\342A\001\002\"j\n\nEventInput\022\022\n\004"
+          + "name\030\001 \001(\tB\004\342A\001\002\022+\n\nparameters\030\002 \001(\0132\027.g"
+          + "oogle.protobuf.Struct\022\033\n\rlanguage_code\030\003"
+          + " \001(\tB\004\342A\001\002\"F\n\036SentimentAnalysisRequestCo"
+          + "nfig\022$\n\034analyze_query_text_sentiment\030\001 \001"
+          + "(\010\"\210\001\n\027SentimentAnalysisResult\022C\n\024query_"
+          + "text_sentiment\030\001 \001(\0132%.google.cloud.dial"
+          + "ogflow.v2.Sentiment\022(\n\006status\030\003 \001(\0132\022.go"
+          + "ogle.rpc.StatusB\004\342A\001\003\"-\n\tSentiment\022\r\n\005sc"
+          + "ore\030\001 \001(\002\022\021\n\tmagnitude\030\002 \001(\0022\345\005\n\010Session"
+          + "s\022\311\003\n\014DetectIntent\022/.google.cloud.dialog"
+          + "flow.v2.DetectIntentRequest\0320.google.clo"
+          + "ud.dialogflow.v2.DetectIntentResponse\"\325\002"
+          + "\332A\023session,query_input\202\323\344\223\002\270\002\"6/v2/{sess"
+          + "ion=projects/*/agent/sessions/*}:detectI"
+          + "ntent:\001*ZR\"M/v2/{session=projects/*/agen"
+          + "t/environments/*/users/*/sessions/*}:det"
+          + "ectIntent:\001*ZG\"B/v2/{session=projects/*/"
+          + "locations/*/agent/sessions/*}:detectInte"
+          + "nt:\001*Z^\"Y/v2/{session=projects/*/locatio"
+          + "ns/*/agent/environments/*/users/*/sessio"
+          + "ns/*}:detectIntent:\001*\022\222\001\n\025StreamingDetec"
+          + "tIntent\0228.google.cloud.dialogflow.v2.Str"
+          + "eamingDetectIntentRequest\0329.google.cloud"
+          + ".dialogflow.v2.StreamingDetectIntentResp"
+          + "onse\"\000(\0010\001\032x\312A\031dialogflow.googleapis.com"
+          + "\322AYhttps://www.googleapis.com/auth/cloud"
+          + "-platform,https://www.googleapis.com/aut"
+          + "h/dialogflowB\347\003\n\036com.google.cloud.dialog"
+          + "flow.v2B\014SessionProtoP\001Z>cloud.google.co"
+          + "m/go/dialogflow/apiv2/dialogflowpb;dialo"
+          + "gflowpb\242\002\002DF\252\002\032Google.Cloud.Dialogflow.V"
+          + "2\352A\321\002\n!dialogflow.googleapis.com/Session"
+          + "\022+projects/{project}/agent/sessions/{ses"
+          + "sion}\022Sprojects/{project}/agent/environm"
+          + "ents/{environment}/users/{user}/sessions"
+          + "/{session}\022@projects/{project}/locations"
+          + "/{location}/agent/sessions/{session}\022hpr"
+          + "ojects/{project}/locations/{location}/ag"
+          + "ent/environments/{environment}/users/{us"
+          + "er}/sessions/{session}b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -478,7 +467,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_cloud_dialogflow_v2_SentimentAnalysisResult_descriptor,
             new java.lang.String[] {
-              "QueryTextSentiment",
+              "QueryTextSentiment", "Status",
             });
     internal_static_google_cloud_dialogflow_v2_Sentiment_descriptor =
         getDescriptor().getMessageType(13);
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SpeechToTextConfig.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SpeechToTextConfig.java
index 89f7f39ddd75..c3d69418ecdf 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SpeechToTextConfig.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SpeechToTextConfig.java
@@ -80,36 +80,6 @@ public interface GeminiAsrConfigOrBuilder
       // @@protoc_insertion_point(interface_extends:google.cloud.dialogflow.v2.SpeechToTextConfig.GeminiAsrConfig)
       com.google.protobuf.MessageOrBuilder {
 
-    /**
-     *
-     *
-     * 
-     * Optional. The Gemini ASR model ID used for transcription.
-     * This value overrides the default model ID configured on the server.
-     * Example: "gemini-3-flash-lite-asr-preview"
-     * 

-     *
-     * string model_id = 1 [(.google.api.field_behavior) = OPTIONAL];
-     *
-     * @return The modelId.
-     */
-    java.lang.String getModelId();
-
-    /**
-     *
-     *
-     * 
-     * Optional. The Gemini ASR model ID used for transcription.
-     * This value overrides the default model ID configured on the server.
-     * Example: "gemini-3-flash-lite-asr-preview"
-     * 

-     *
-     * string model_id = 1 [(.google.api.field_behavior) = OPTIONAL];
-     *
-     * @return The bytes for modelId.
-     */
-    com.google.protobuf.ByteString getModelIdBytes();
-
     /**
      *
      *
@@ -234,7 +204,6 @@ private GeminiAsrConfig(com.google.protobuf.GeneratedMessage.Builder builder)
     }
 
     private GeminiAsrConfig() {
-      modelId_ = "";
       startOfSpeechSensitivity_ = 0;
       endOfSpeechSensitivity_ = 0;
     }
@@ -603,63 +572,6 @@ private EndSensitivity(int value) {
       // @@protoc_insertion_point(enum_scope:google.cloud.dialogflow.v2.SpeechToTextConfig.GeminiAsrConfig.EndSensitivity)
     }
 
-    public static final int MODEL_ID_FIELD_NUMBER = 1;
-
-    @SuppressWarnings("serial")
-    private volatile java.lang.Object modelId_ = "";
-
-    /**
-     *
-     *
-     * 
-     * Optional. The Gemini ASR model ID used for transcription.
-     * This value overrides the default model ID configured on the server.
-     * Example: "gemini-3-flash-lite-asr-preview"
-     * 

-     *
-     * string model_id = 1 [(.google.api.field_behavior) = OPTIONAL];
-     *
-     * @return The modelId.
-     */
-    @java.lang.Override
-    public java.lang.String getModelId() {
-      java.lang.Object ref = modelId_;
-      if (ref instanceof java.lang.String) {
-        return (java.lang.String) ref;
-      } else {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        modelId_ = s;
-        return s;
-      }
-    }
-
-    /**
-     *
-     *
-     * 
-     * Optional. The Gemini ASR model ID used for transcription.
-     * This value overrides the default model ID configured on the server.
-     * Example: "gemini-3-flash-lite-asr-preview"
-     * 

-     *
-     * string model_id = 1 [(.google.api.field_behavior) = OPTIONAL];
-     *
-     * @return The bytes for modelId.
-     */
-    @java.lang.Override
-    public com.google.protobuf.ByteString getModelIdBytes() {
-      java.lang.Object ref = modelId_;
-      if (ref instanceof java.lang.String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        modelId_ = b;
-        return b;
-      } else {
-        return (com.google.protobuf.ByteString) ref;
-      }
-    }
-
     public static final int SILENCE_DURATION_MS_FIELD_NUMBER = 2;
     private int silenceDurationMs_ = 0;
 
@@ -806,9 +718,6 @@ public final boolean isInitialized() {
 
     @java.lang.Override
     public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelId_)) {
-        com.google.protobuf.GeneratedMessage.writeString(output, 1, modelId_);
-      }
       if (silenceDurationMs_ != 0) {
         output.writeInt32(2, silenceDurationMs_);
       }
@@ -836,9 +745,6 @@ public int getSerializedSize() {
       if (size != -1) return size;
 
       size = 0;
-      if (!com.google.protobuf.GeneratedMessage.isStringEmpty(modelId_)) {
-        size += com.google.protobuf.GeneratedMessage.computeStringSize(1, modelId_);
-      }
       if (silenceDurationMs_ != 0) {
         size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, silenceDurationMs_);
       }
@@ -873,7 +779,6 @@ public boolean equals(final java.lang.Object obj) {
       com.google.cloud.dialogflow.v2.SpeechToTextConfig.GeminiAsrConfig other =
           (com.google.cloud.dialogflow.v2.SpeechToTextConfig.GeminiAsrConfig) obj;
 
-      if (!getModelId().equals(other.getModelId())) return false;
       if (getSilenceDurationMs() != other.getSilenceDurationMs()) return false;
       if (getPrefixPaddingMs() != other.getPrefixPaddingMs()) return false;
       if (startOfSpeechSensitivity_ != other.startOfSpeechSensitivity_) return false;
@@ -889,8 +794,6 @@ public int hashCode() {
       }
       int hash = 41;
       hash = (19 * hash) + getDescriptor().hashCode();
-      hash = (37 * hash) + MODEL_ID_FIELD_NUMBER;
-      hash = (53 * hash) + getModelId().hashCode();
       hash = (37 * hash) + SILENCE_DURATION_MS_FIELD_NUMBER;
       hash = (53 * hash) + getSilenceDurationMs();
       hash = (37 * hash) + PREFIX_PADDING_MS_FIELD_NUMBER;
@@ -1044,7 +947,6 @@ private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
       public Builder clear() {
         super.clear();
         bitField0_ = 0;
-        modelId_ = "";
         silenceDurationMs_ = 0;
         prefixPaddingMs_ = 0;
         startOfSpeechSensitivity_ = 0;
@@ -1089,18 +991,15 @@ private void buildPartial0(
           com.google.cloud.dialogflow.v2.SpeechToTextConfig.GeminiAsrConfig result) {
         int from_bitField0_ = bitField0_;
         if (((from_bitField0_ & 0x00000001) != 0)) {
-          result.modelId_ = modelId_;
-        }
-        if (((from_bitField0_ & 0x00000002) != 0)) {
           result.silenceDurationMs_ = silenceDurationMs_;
         }
-        if (((from_bitField0_ & 0x00000004) != 0)) {
+        if (((from_bitField0_ & 0x00000002) != 0)) {
           result.prefixPaddingMs_ = prefixPaddingMs_;
         }
-        if (((from_bitField0_ & 0x00000008) != 0)) {
+        if (((from_bitField0_ & 0x00000004) != 0)) {
           result.startOfSpeechSensitivity_ = startOfSpeechSensitivity_;
         }
-        if (((from_bitField0_ & 0x00000010) != 0)) {
+        if (((from_bitField0_ & 0x00000008) != 0)) {
           result.endOfSpeechSensitivity_ = endOfSpeechSensitivity_;
         }
       }
@@ -1121,11 +1020,6 @@ public Builder mergeFrom(
         if (other
             == com.google.cloud.dialogflow.v2.SpeechToTextConfig.GeminiAsrConfig
                 .getDefaultInstance()) return this;
-        if (!other.getModelId().isEmpty()) {
-          modelId_ = other.modelId_;
-          bitField0_ |= 0x00000001;
-          onChanged();
-        }
         if (other.getSilenceDurationMs() != 0) {
           setSilenceDurationMs(other.getSilenceDurationMs());
         }
@@ -1164,34 +1058,28 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              case 10:
-                {
-                  modelId_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000001;
-                  break;
-                } // case 10
               case 16:
                 {
                   silenceDurationMs_ = input.readInt32();
-                  bitField0_ |= 0x00000002;
+                  bitField0_ |= 0x00000001;
                   break;
                 } // case 16
               case 24:
                 {
                   prefixPaddingMs_ = input.readInt32();
-                  bitField0_ |= 0x00000004;
+                  bitField0_ |= 0x00000002;
                   break;
                 } // case 24
               case 32:
                 {
                   startOfSpeechSensitivity_ = input.readEnum();
-                  bitField0_ |= 0x00000008;
+                  bitField0_ |= 0x00000004;
                   break;
                 } // case 32
               case 40:
                 {
                   endOfSpeechSensitivity_ = input.readEnum();
-                  bitField0_ |= 0x00000010;
+                  bitField0_ |= 0x00000008;
                   break;
                 } // case 40
               default:
@@ -1213,127 +1101,6 @@ public Builder mergeFrom(
 
       private int bitField0_;
 
-      private java.lang.Object modelId_ = "";
-
-      /**
-       *
-       *
-       * 
-       * Optional. The Gemini ASR model ID used for transcription.
-       * This value overrides the default model ID configured on the server.
-       * Example: "gemini-3-flash-lite-asr-preview"
-       * 

-       *
-       * string model_id = 1 [(.google.api.field_behavior) = OPTIONAL];
-       *
-       * @return The modelId.
-       */
-      public java.lang.String getModelId() {
-        java.lang.Object ref = modelId_;
-        if (!(ref instanceof java.lang.String)) {
-          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-          java.lang.String s = bs.toStringUtf8();
-          modelId_ = s;
-          return s;
-        } else {
-          return (java.lang.String) ref;
-        }
-      }
-
-      /**
-       *
-       *
-       * 
-       * Optional. The Gemini ASR model ID used for transcription.
-       * This value overrides the default model ID configured on the server.
-       * Example: "gemini-3-flash-lite-asr-preview"
-       * 

-       *
-       * string model_id = 1 [(.google.api.field_behavior) = OPTIONAL];
-       *
-       * @return The bytes for modelId.
-       */
-      public com.google.protobuf.ByteString getModelIdBytes() {
-        java.lang.Object ref = modelId_;
-        if (ref instanceof String) {
-          com.google.protobuf.ByteString b =
-              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-          modelId_ = b;
-          return b;
-        } else {
-          return (com.google.protobuf.ByteString) ref;
-        }
-      }
-
-      /**
-       *
-       *
-       * 
-       * Optional. The Gemini ASR model ID used for transcription.
-       * This value overrides the default model ID configured on the server.
-       * Example: "gemini-3-flash-lite-asr-preview"
-       * 

-       *
-       * string model_id = 1 [(.google.api.field_behavior) = OPTIONAL];
-       *
-       * @param value The modelId to set.
-       * @return This builder for chaining.
-       */
-      public Builder setModelId(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        modelId_ = value;
-        bitField0_ |= 0x00000001;
-        onChanged();
-        return this;
-      }
-
-      /**
-       *
-       *
-       * 
-       * Optional. The Gemini ASR model ID used for transcription.
-       * This value overrides the default model ID configured on the server.
-       * Example: "gemini-3-flash-lite-asr-preview"
-       * 

-       *
-       * string model_id = 1 [(.google.api.field_behavior) = OPTIONAL];
-       *
-       * @return This builder for chaining.
-       */
-      public Builder clearModelId() {
-        modelId_ = getDefaultInstance().getModelId();
-        bitField0_ = (bitField0_ & ~0x00000001);
-        onChanged();
-        return this;
-      }
-
-      /**
-       *
-       *
-       * 
-       * Optional. The Gemini ASR model ID used for transcription.
-       * This value overrides the default model ID configured on the server.
-       * Example: "gemini-3-flash-lite-asr-preview"
-       * 

-       *
-       * string model_id = 1 [(.google.api.field_behavior) = OPTIONAL];
-       *
-       * @param value The bytes for modelId to set.
-       * @return This builder for chaining.
-       */
-      public Builder setModelIdBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        checkByteStringIsUtf8(value);
-        modelId_ = value;
-        bitField0_ |= 0x00000001;
-        onChanged();
-        return this;
-      }
-
       private int silenceDurationMs_;
 
       /**
@@ -1369,7 +1136,7 @@ public int getSilenceDurationMs() {
       public Builder setSilenceDurationMs(int value) {
 
         silenceDurationMs_ = value;
-        bitField0_ |= 0x00000002;
+        bitField0_ |= 0x00000001;
         onChanged();
         return this;
       }
@@ -1387,7 +1154,7 @@ public Builder setSilenceDurationMs(int value) {
        * @return This builder for chaining.
        */
       public Builder clearSilenceDurationMs() {
-        bitField0_ = (bitField0_ & ~0x00000002);
+        bitField0_ = (bitField0_ & ~0x00000001);
         silenceDurationMs_ = 0;
         onChanged();
         return this;
@@ -1428,7 +1195,7 @@ public int getPrefixPaddingMs() {
       public Builder setPrefixPaddingMs(int value) {
 
         prefixPaddingMs_ = value;
-        bitField0_ |= 0x00000004;
+        bitField0_ |= 0x00000002;
         onChanged();
         return this;
       }
@@ -1446,7 +1213,7 @@ public Builder setPrefixPaddingMs(int value) {
        * @return This builder for chaining.
        */
       public Builder clearPrefixPaddingMs() {
-        bitField0_ = (bitField0_ & ~0x00000004);
+        bitField0_ = (bitField0_ & ~0x00000002);
         prefixPaddingMs_ = 0;
         onChanged();
         return this;
@@ -1488,7 +1255,7 @@ public int getStartOfSpeechSensitivityValue() {
        */
       public Builder setStartOfSpeechSensitivityValue(int value) {
         startOfSpeechSensitivity_ = value;
-        bitField0_ |= 0x00000008;
+        bitField0_ |= 0x00000004;
         onChanged();
         return this;
       }
@@ -1538,7 +1305,7 @@ public Builder setStartOfSpeechSensitivity(
         if (value == null) {
           throw new NullPointerException();
         }
-        bitField0_ |= 0x00000008;
+        bitField0_ |= 0x00000004;
         startOfSpeechSensitivity_ = value.getNumber();
         onChanged();
         return this;
@@ -1558,7 +1325,7 @@ public Builder setStartOfSpeechSensitivity(
        * @return This builder for chaining.
        */
       public Builder clearStartOfSpeechSensitivity() {
-        bitField0_ = (bitField0_ & ~0x00000008);
+        bitField0_ = (bitField0_ & ~0x00000004);
         startOfSpeechSensitivity_ = 0;
         onChanged();
         return this;
@@ -1600,7 +1367,7 @@ public int getEndOfSpeechSensitivityValue() {
        */
       public Builder setEndOfSpeechSensitivityValue(int value) {
         endOfSpeechSensitivity_ = value;
-        bitField0_ |= 0x00000010;
+        bitField0_ |= 0x00000008;
         onChanged();
         return this;
       }
@@ -1649,7 +1416,7 @@ public Builder setEndOfSpeechSensitivity(
         if (value == null) {
           throw new NullPointerException();
         }
-        bitField0_ |= 0x00000010;
+        bitField0_ |= 0x00000008;
         endOfSpeechSensitivity_ = value.getNumber();
         onChanged();
         return this;
@@ -1669,7 +1436,7 @@ public Builder setEndOfSpeechSensitivity(
        * @return This builder for chaining.
        */
       public Builder clearEndOfSpeechSensitivity() {
-        bitField0_ = (bitField0_ & ~0x00000010);
+        bitField0_ = (bitField0_ & ~0x00000008);
         endOfSpeechSensitivity_ = 0;
         onChanged();
         return this;
@@ -2211,6 +1978,47 @@ public boolean getUseGeminiAsr() {
     return useGeminiAsr_;
   }
 
+  public static final int DISABLE_INTERIM_INPUT_TRANSCRIPTS_FIELD_NUMBER = 17;
+  private boolean disableInterimInputTranscripts_ = false;
+
+  /**
+   *
+   *
+   * 
+   * Optional. Disables emission of interim input transcriptions when set to
+   * `true`.
+   * 

+   *
+   * 
+   * optional bool disable_interim_input_transcripts = 17 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   *
+   * @return Whether the disableInterimInputTranscripts field is set.
+   */
+  @java.lang.Override
+  public boolean hasDisableInterimInputTranscripts() {
+    return ((bitField0_ & 0x00000002) != 0);
+  }
+
+  /**
+   *
+   *
+   * 
+   * Optional. Disables emission of interim input transcriptions when set to
+   * `true`.
+   * 

+   *
+   * 
+   * optional bool disable_interim_input_transcripts = 17 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   *
+   * @return The disableInterimInputTranscripts.
+   */
+  @java.lang.Override
+  public boolean getDisableInterimInputTranscripts() {
+    return disableInterimInputTranscripts_;
+  }
+
   private byte memoizedIsInitialized = -1;
 
   @java.lang.Override
@@ -2258,6 +2066,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (useGeminiAsr_ != false) {
       output.writeBool(16, useGeminiAsr_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      output.writeBool(17, disableInterimInputTranscripts_);
+    }
     getUnknownFields().writeTo(output);
   }
 
@@ -2306,6 +2117,11 @@ public int getSerializedSize() {
     if (useGeminiAsr_ != false) {
       size += com.google.protobuf.CodedOutputStream.computeBoolSize(16, useGeminiAsr_);
     }
+    if (((bitField0_ & 0x00000002) != 0)) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeBoolSize(
+              17, disableInterimInputTranscripts_);
+    }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
     return size;
@@ -2335,6 +2151,12 @@ public boolean equals(final java.lang.Object obj) {
       if (!getGeminiAsrConfig().equals(other.getGeminiAsrConfig())) return false;
     }
     if (getUseGeminiAsr() != other.getUseGeminiAsr()) return false;
+    if (hasDisableInterimInputTranscripts() != other.hasDisableInterimInputTranscripts())
+      return false;
+    if (hasDisableInterimInputTranscripts()) {
+      if (getDisableInterimInputTranscripts() != other.getDisableInterimInputTranscripts())
+        return false;
+    }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -2370,6 +2192,12 @@ public int hashCode() {
     }
     hash = (37 * hash) + USE_GEMINI_ASR_FIELD_NUMBER;
     hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getUseGeminiAsr());
+    if (hasDisableInterimInputTranscripts()) {
+      hash = (37 * hash) + DISABLE_INTERIM_INPUT_TRANSCRIPTS_FIELD_NUMBER;
+      hash =
+          (53 * hash)
+              + com.google.protobuf.Internal.hashBoolean(getDisableInterimInputTranscripts());
+    }
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
@@ -2534,6 +2362,7 @@ public Builder clear() {
         geminiAsrConfigBuilder_ = null;
       }
       useGeminiAsr_ = false;
+      disableInterimInputTranscripts_ = false;
       return this;
     }
 
@@ -2604,6 +2433,10 @@ private void buildPartial0(com.google.cloud.dialogflow.v2.SpeechToTextConfig res
       if (((from_bitField0_ & 0x00000200) != 0)) {
         result.useGeminiAsr_ = useGeminiAsr_;
       }
+      if (((from_bitField0_ & 0x00000400) != 0)) {
+        result.disableInterimInputTranscripts_ = disableInterimInputTranscripts_;
+        to_bitField0_ |= 0x00000002;
+      }
       result.bitField0_ |= to_bitField0_;
     }
 
@@ -2661,6 +2494,9 @@ public Builder mergeFrom(com.google.cloud.dialogflow.v2.SpeechToTextConfig other
       if (other.getUseGeminiAsr() != false) {
         setUseGeminiAsr(other.getUseGeminiAsr());
       }
+      if (other.hasDisableInterimInputTranscripts()) {
+        setDisableInterimInputTranscripts(other.getDisableInterimInputTranscripts());
+      }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -2749,6 +2585,12 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000200;
                 break;
               } // case 128
+            case 136:
+              {
+                disableInterimInputTranscripts_ = input.readBool();
+                bitField0_ |= 0x00000400;
+                break;
+              } // case 136
             default:
               {
                 if (!super.parseUnknownField(input, extensionRegistry, tag)) {
@@ -4054,6 +3896,90 @@ public Builder clearUseGeminiAsr() {
       return this;
     }
 
+    private boolean disableInterimInputTranscripts_;
+
+    /**
+     *
+     *
+     * 
+     * Optional. Disables emission of interim input transcriptions when set to
+     * `true`.
+     * 

+     *
+     * 
+     * optional bool disable_interim_input_transcripts = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     *
+     * @return Whether the disableInterimInputTranscripts field is set.
+     */
+    @java.lang.Override
+    public boolean hasDisableInterimInputTranscripts() {
+      return ((bitField0_ & 0x00000400) != 0);
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Disables emission of interim input transcriptions when set to
+     * `true`.
+     * 

+     *
+     * 
+     * optional bool disable_interim_input_transcripts = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     *
+     * @return The disableInterimInputTranscripts.
+     */
+    @java.lang.Override
+    public boolean getDisableInterimInputTranscripts() {
+      return disableInterimInputTranscripts_;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Disables emission of interim input transcriptions when set to
+     * `true`.
+     * 

+     *
+     * 
+     * optional bool disable_interim_input_transcripts = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     *
+     * @param value The disableInterimInputTranscripts to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisableInterimInputTranscripts(boolean value) {
+
+      disableInterimInputTranscripts_ = value;
+      bitField0_ |= 0x00000400;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Optional. Disables emission of interim input transcriptions when set to
+     * `true`.
+     * 

+     *
+     * 
+     * optional bool disable_interim_input_transcripts = 17 [(.google.api.field_behavior) = OPTIONAL];
+     * 
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisableInterimInputTranscripts() {
+      bitField0_ = (bitField0_ & ~0x00000400);
+      disableInterimInputTranscripts_ = false;
+      onChanged();
+      return this;
+    }
+
     // @@protoc_insertion_point(builder_scope:google.cloud.dialogflow.v2.SpeechToTextConfig)
   }
 
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SpeechToTextConfigOrBuilder.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SpeechToTextConfigOrBuilder.java
index 4586df2baaab..d947c258283e 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SpeechToTextConfigOrBuilder.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SpeechToTextConfigOrBuilder.java
@@ -375,4 +375,36 @@ public interface SpeechToTextConfigOrBuilder
    * @return The useGeminiAsr.
    */
   boolean getUseGeminiAsr();
+
+  /**
+   *
+   *
+   * 
+   * Optional. Disables emission of interim input transcriptions when set to
+   * `true`.
+   * 

+   *
+   * 
+   * optional bool disable_interim_input_transcripts = 17 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   *
+   * @return Whether the disableInterimInputTranscripts field is set.
+   */
+  boolean hasDisableInterimInputTranscripts();
+
+  /**
+   *
+   *
+   * 
+   * Optional. Disables emission of interim input transcriptions when set to
+   * `true`.
+   * 

+   *
+   * 
+   * optional bool disable_interim_input_transcripts = 17 [(.google.api.field_behavior) = OPTIONAL];
+   * 
+   *
+   * @return The disableInterimInputTranscripts.
+   */
+  boolean getDisableInterimInputTranscripts();
 }
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SummarizationSection.java b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SummarizationSection.java
index 3475ff57b8c4..62794a74c12c 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SummarizationSection.java
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/java/com/google/cloud/dialogflow/v2/SummarizationSection.java
@@ -142,9 +142,10 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
      *
      *
      * 
-     * "Unsatisfied" or "Satisfied" depending on the customer's feelings at
-     * the end of the conversation.
-     * Section name: "customer_satisfaction".
+     * Customer satisfaction derived from the text transcript only (not audio).
+     * Categorized based on customer statements by the end of the conversation.
+     * `D` for dissatisfied and `N` for neutral or satisfied (default).
+     * Section name: `customer_satisfaction`.
      * 

      *
      * CUSTOMER_SATISFACTION = 5;
@@ -272,9 +273,10 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
      *
      *
      * 
-     * "Unsatisfied" or "Satisfied" depending on the customer's feelings at
-     * the end of the conversation.
-     * Section name: "customer_satisfaction".
+     * Customer satisfaction derived from the text transcript only (not audio).
+     * Categorized based on customer statements by the end of the conversation.
+     * `D` for dissatisfied and `N` for neutral or satisfied (default).
+     * Section name: `customer_satisfaction`.
      * 

      *
      * CUSTOMER_SATISFACTION = 5;
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/audio_config.proto b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/audio_config.proto
index 7aa9b83d779c..9dd0129c7942 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/audio_config.proto
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/audio_config.proto
@@ -195,6 +195,11 @@ message InputAudioConfig {
   // Cloud Speech-to-Text. If false, Cloud Speech-to-Text will be used.
   // If unset, this setting is inherited from the ConversationProfile.
   optional bool use_gemini_asr = 31 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Disables emission of interim input transcriptions when set to
+  // `true`.
+  optional bool disable_interim_input_transcripts = 32
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Description of which voice to use for speech synthesis.
@@ -335,11 +340,6 @@ message SpeechToTextConfig {
       END_SENSITIVITY_LOW = 2;
     }
 
-    // Optional. The Gemini ASR model ID used for transcription.
-    // This value overrides the default model ID configured on the server.
-    // Example: "gemini-3-flash-lite-asr-preview"
-    string model_id = 1 [(google.api.field_behavior) = OPTIONAL];
-
     // Optional. The required duration of detected silence (or non-speech)
     // before end-of-speech is committed.
     int32 silence_duration_ms = 2 [(google.api.field_behavior) = OPTIONAL];
@@ -439,6 +439,11 @@ message SpeechToTextConfig {
   // Optional. If true, Gemini ASR will be used for transcription instead of
   // Cloud Speech-to-Text.
   bool use_gemini_asr = 16 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Disables emission of interim input transcriptions when set to
+  // `true`.
+  optional bool disable_interim_input_transcripts = 17
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // [DTMF](https://en.wikipedia.org/wiki/Dual-tone_multi-frequency_signaling)
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/conversation_profile.proto b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/conversation_profile.proto
index 281c0b052877..a31cc8ccfcc9 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/conversation_profile.proto
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/conversation_profile.proto
@@ -689,9 +689,10 @@ message HumanAgentAssistantConfig {
         // Section name: "reason_for_cancellation".
         REASON_FOR_CANCELLATION = 4;
 
-        // "Unsatisfied" or "Satisfied" depending on the customer's feelings at
-        // the end of the conversation.
-        // Section name: "customer_satisfaction".
+        // Customer satisfaction derived from the text transcript only (not
+        // audio). Categorized based on customer statements by the end of the
+        // conversation. `D` for dissatisfied and `N` for neutral or satisfied
+        // (default). Section name: `customer_satisfaction`.
         CUSTOMER_SATISFACTION = 5;
 
         // Key entities extracted from the conversation, such as ticket number,
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/generator.proto b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/generator.proto
index 6288ef8d1d13..a2088ecfc81b 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/generator.proto
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/generator.proto
@@ -335,9 +335,10 @@ message SummarizationSection {
     // Section name: "reason_for_cancellation".
     REASON_FOR_CANCELLATION = 4;
 
-    // "Unsatisfied" or "Satisfied" depending on the customer's feelings at
-    // the end of the conversation.
-    // Section name: "customer_satisfaction".
+    // Customer satisfaction derived from the text transcript only (not audio).
+    // Categorized based on customer statements by the end of the conversation.
+    // `D` for dissatisfied and `N` for neutral or satisfied (default).
+    // Section name: `customer_satisfaction`.
     CUSTOMER_SATISFACTION = 5;
 
     // Key entities extracted from the conversation, such as ticket number,
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/participant.proto b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/participant.proto
index b94a62faaeb1..1f90d6cd0d7f 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/participant.proto
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/participant.proto
@@ -353,6 +353,10 @@ message Message {
   // Only one of `content` and `companion_query` should be set - not both.
   string content = 2 [(google.api.field_behavior) = OPTIONAL];
 
+  // Optional. Automated agent responses.
+  repeated ResponseMessage response_messages = 11
+      [(google.api.field_behavior) = OPTIONAL];
+
   // Optional. The message language.
   // This should be a [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt)
   // language tag. Example: "en-US".
@@ -1150,6 +1154,32 @@ message AutomatedAgentReply {
   // call.
   DetectIntentResponse detect_intent_response = 1;
 
+  // Response messages from the automated agent.
+  repeated ResponseMessage response_messages = 3;
+
+  // Name of the intent if an intent is matched for the query.
+  // For a V2 query, the value format is `projects//locations/
+  // /agent/intents/`.
+  // For a V3 query, the value format is `projects//locations/
+  // /agents//intents/`.
+  string intent = 4 [(google.api.resource_reference) = {
+    type: "dialogflow.googleapis.com/Intent"
+  }];
+
+  // Event name if an event is triggered for the query.
+  string event = 5;
+
+  // The confidence of the match. Values range from 0.0 (completely uncertain)
+  // to 1.0 (completely certain).
+  // This value is for informational purpose only and is only used to help match
+  // the best intent within the classification threshold. This value may change
+  // for the same end-user expression at any time due to a model retraining or
+  // change in implementation.
+  float match_confidence = 9;
+
+  // The collection of current parameters at the time of this response.
+  google.protobuf.Struct parameters = 10;
+
   // AutomatedAgentReply type.
   AutomatedAgentReplyType automated_agent_reply_type = 7;
 
@@ -1162,6 +1192,9 @@ message AutomatedAgentReply {
   // Format: `projects//locations//agents//flows//pages/`.
   string cx_current_page = 11;
+
+  // The auth code for accessing Call Companion UI.
+  bytes call_companion_auth_code = 12;
 }
 
 // Represents article answer.
@@ -1417,6 +1450,102 @@ message AssistQueryParameters {
   map documents_metadata_filters = 1;
 }
 
+// Response messages from an automated agent.
+message ResponseMessage {
+  // The text response message.
+  message Text {
+    // A collection of text response variants. If multiple variants are
+    // defined, only one text response variant is returned at runtime.
+    repeated string text = 1;
+  }
+
+  // Indicates that the conversation should be handed off to a human agent.
+  //
+  // Dialogflow only uses this to determine which conversations were handed off
+  // to a human agent for measurement purposes. What else to do with this signal
+  // is up to you and your handoff procedures.
+  //
+  // You may set this, for example:
+  //
+  // * In the entry fulfillment of a CX Page if entering the page indicates
+  //   something went extremely wrong in the conversation.
+  // * In a webhook response when you determine that the customer issue can only
+  //   be handled by a human.
+  message LiveAgentHandoff {
+    // Custom metadata for your handoff procedure. Dialogflow doesn't impose
+    // any structure on this.
+    google.protobuf.Struct metadata = 1;
+  }
+
+  // Indicates that interaction with the Dialogflow agent has ended.
+  message EndInteraction {}
+
+  // Represents an audio message that is composed of both segments
+  // synthesized from the Dialogflow agent prompts and ones hosted externally
+  // at the specified URIs.
+  message MixedAudio {
+    // Represents one segment of audio.
+    message Segment {
+      // Content of the segment.
+      oneof content {
+        // Raw audio synthesized from the Dialogflow agent's response using
+        // the output config specified in the request.
+        bytes audio = 1;
+
+        // Client-specific URI that points to an audio clip accessible to the
+        // client.
+        string uri = 2;
+      }
+
+      // Whether the playback of this segment can be interrupted by the end
+      // user's speech and the client should then start the next Dialogflow
+      // request.
+      bool allow_playback_interruption = 3;
+    }
+
+    // Segments this audio response is composed of.
+    repeated Segment segments = 1;
+  }
+
+  // Represents the signal that telles the client to transfer the phone call
+  // connected to the agent to a third-party endpoint.
+  message TelephonyTransferCall {
+    // Endpoint to transfer the call to.
+    oneof endpoint {
+      // Transfer the call to a phone number
+      // in [E.164 format](https://en.wikipedia.org/wiki/E.164).
+      string phone_number = 1;
+
+      // Transfer the call to a SIP endpoint.
+      string sip_uri = 2;
+    }
+  }
+
+  // Required. The rich response message.
+  oneof message {
+    // Returns a text response.
+    Text text = 1;
+
+    // Returns a response containing a custom, platform-specific payload.
+    google.protobuf.Struct payload = 2;
+
+    // Hands off conversation to a live agent.
+    LiveAgentHandoff live_agent_handoff = 3;
+
+    // A signal that indicates the interaction with the Dialogflow agent has
+    // ended.
+    EndInteraction end_interaction = 4;
+
+    // An audio response message composed of both the synthesized Dialogflow
+    // agent responses and the audios hosted in places known to the client.
+    MixedAudio mixed_audio = 5;
+
+    // A signal that the client should transfer the phone call connected to
+    // this agent to a third-party endpoint.
+    TelephonyTransferCall telephony_transfer_call = 6;
+  }
+}
+
 // The request message for
 // [Participants.SuggestKnowledgeAssist][google.cloud.dialogflow.v2.Participants.SuggestKnowledgeAssist].
 message SuggestKnowledgeAssistRequest {
@@ -2028,6 +2157,11 @@ message BidiStreamingAnalyzeContentRequest {
       // If unset, this setting is inherited from the ConversationProfile.
       optional bool use_gemini_asr = 25
           [(google.api.field_behavior) = OPTIONAL];
+
+      // Optional. Disables emission of interim input transcriptions when set to
+      // `true`.
+      optional bool disable_interim_input_transcripts = 26
+          [(google.api.field_behavior) = OPTIONAL];
     }
 
     // Required. The name of the participant to fetch response for.
diff --git a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/session.proto b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/session.proto
index 025b28f6c153..8bb13132009f 100644
--- a/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/session.proto
+++ b/java-dialogflow/proto-google-cloud-dialogflow-v2/src/main/proto/google/cloud/dialogflow/v2/session.proto
@@ -801,6 +801,11 @@ message SentimentAnalysisRequestConfig {
 message SentimentAnalysisResult {
   // The sentiment analysis result for `query_text`.
   Sentiment query_text_sentiment = 1;
+
+  // Output only. The status of the sentiment analysis operation.
+  // If the operation failed, this field will contain the error details.
+  // For example, it might indicate a quota issue (RESOURCE_EXHAUSTED).
+  google.rpc.Status status = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // The sentiment, such as positive/negative feeling or association, for a unit
diff --git a/java-spanner/google-cloud-spanner-executor/src/main/resources/META-INF/native-image/com.google.cloud.spanner.executor.v1/reflect-config.json b/java-spanner/google-cloud-spanner-executor/src/main/resources/META-INF/native-image/com.google.cloud.spanner.executor.v1/reflect-config.json
index 5731e03c18d2..87b1fe2018a4 100644
--- a/java-spanner/google-cloud-spanner-executor/src/main/resources/META-INF/native-image/com.google.cloud.spanner.executor.v1/reflect-config.json
+++ b/java-spanner/google-cloud-spanner-executor/src/main/resources/META-INF/native-image/com.google.cloud.spanner.executor.v1/reflect-config.json
@@ -3383,6 +3383,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.spanner.admin.instance.v1.InstanceConfig$AllowedProcessingUnits",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.spanner.admin.instance.v1.InstanceConfig$AllowedProcessingUnits$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.spanner.admin.instance.v1.InstanceConfig$Builder",
     "queryAllDeclaredConstructors": true,
diff --git a/java-spanner/google-cloud-spanner/src/main/resources/META-INF/native-image/com.google.cloud.spanner.admin.instance.v1/reflect-config.json b/java-spanner/google-cloud-spanner/src/main/resources/META-INF/native-image/com.google.cloud.spanner.admin.instance.v1/reflect-config.json
index ad4a5621c637..e685e0aaa5cd 100644
--- a/java-spanner/google-cloud-spanner/src/main/resources/META-INF/native-image/com.google.cloud.spanner.admin.instance.v1/reflect-config.json
+++ b/java-spanner/google-cloud-spanner/src/main/resources/META-INF/native-image/com.google.cloud.spanner.admin.instance.v1/reflect-config.json
@@ -2168,6 +2168,24 @@
     "allDeclaredClasses": true,
     "allPublicClasses": true
   },
+  {
+    "name": "com.google.spanner.admin.instance.v1.InstanceConfig$AllowedProcessingUnits",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
+  {
+    "name": "com.google.spanner.admin.instance.v1.InstanceConfig$AllowedProcessingUnits$Builder",
+    "queryAllDeclaredConstructors": true,
+    "queryAllPublicConstructors": true,
+    "queryAllDeclaredMethods": true,
+    "allPublicMethods": true,
+    "allDeclaredClasses": true,
+    "allPublicClasses": true
+  },
   {
     "name": "com.google.spanner.admin.instance.v1.InstanceConfig$Builder",
     "queryAllDeclaredConstructors": true,
diff --git a/java-spanner/google-cloud-spanner/src/test/java/com/google/cloud/spanner/admin/instance/v1/InstanceAdminClientHttpJsonTest.java b/java-spanner/google-cloud-spanner/src/test/java/com/google/cloud/spanner/admin/instance/v1/InstanceAdminClientHttpJsonTest.java
index adb7056c08a9..3c686aaa98e6 100644
--- a/java-spanner/google-cloud-spanner/src/test/java/com/google/cloud/spanner/admin/instance/v1/InstanceAdminClientHttpJsonTest.java
+++ b/java-spanner/google-cloud-spanner/src/test/java/com/google/cloud/spanner/admin/instance/v1/InstanceAdminClientHttpJsonTest.java
@@ -224,6 +224,7 @@ public void getInstanceConfigTest() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     mockService.addResponse(expectedResponse);
@@ -277,6 +278,7 @@ public void getInstanceConfigTest2() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     mockService.addResponse(expectedResponse);
@@ -330,6 +332,7 @@ public void createInstanceConfigTest() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     Operation resultOperation =
@@ -393,6 +396,7 @@ public void createInstanceConfigTest2() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     Operation resultOperation =
@@ -456,6 +460,7 @@ public void updateInstanceConfigTest() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     Operation resultOperation =
@@ -477,6 +482,7 @@ public void updateInstanceConfigTest() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     FieldMask updateMask = FieldMask.newBuilder().build();
@@ -519,6 +525,7 @@ public void updateInstanceConfigExceptionTest() throws Exception {
               .setEtag("etag3123477")
               .addAllLeaderOptions(new ArrayList())
               .setReconciling(true)
+              .addAllAllowedProcessingUnits(new ArrayList())
               .setStorageLimitPerProcessingUnit(-1769187130)
               .build();
       FieldMask updateMask = FieldMask.newBuilder().build();
diff --git a/java-spanner/google-cloud-spanner/src/test/java/com/google/cloud/spanner/admin/instance/v1/InstanceAdminClientTest.java b/java-spanner/google-cloud-spanner/src/test/java/com/google/cloud/spanner/admin/instance/v1/InstanceAdminClientTest.java
index 5181dbe256f0..92a0312c4e0d 100644
--- a/java-spanner/google-cloud-spanner/src/test/java/com/google/cloud/spanner/admin/instance/v1/InstanceAdminClientTest.java
+++ b/java-spanner/google-cloud-spanner/src/test/java/com/google/cloud/spanner/admin/instance/v1/InstanceAdminClientTest.java
@@ -236,6 +236,7 @@ public void getInstanceConfigTest() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     mockInstanceAdmin.addResponse(expectedResponse);
@@ -283,6 +284,7 @@ public void getInstanceConfigTest2() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     mockInstanceAdmin.addResponse(expectedResponse);
@@ -330,6 +332,7 @@ public void createInstanceConfigTest() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     Operation resultOperation =
@@ -393,6 +396,7 @@ public void createInstanceConfigTest2() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     Operation resultOperation =
@@ -456,6 +460,7 @@ public void updateInstanceConfigTest() throws Exception {
             .setEtag("etag3123477")
             .addAllLeaderOptions(new ArrayList())
             .setReconciling(true)
+            .addAllAllowedProcessingUnits(new ArrayList())
             .setStorageLimitPerProcessingUnit(-1769187130)
             .build();
     Operation resultOperation =
diff --git a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfig.java b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfig.java
index 2f5ddaef19dc..37c46d9ca9ec 100644
--- a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfig.java
+++ b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfig.java
@@ -63,6 +63,7 @@ private InstanceConfig() {
     leaderOptions_ = com.google.protobuf.LazyStringArrayList.emptyList();
     state_ = 0;
     freeInstanceAvailability_ = 0;
+    allowedProcessingUnits_ = java.util.Collections.emptyList();
     quorumType_ = 0;
   }
 
@@ -878,292 +879,1052 @@ private QuorumType(int value) {
     // @@protoc_insertion_point(enum_scope:google.spanner.admin.instance.v1.InstanceConfig.QuorumType)
   }
 
-  public static final int NAME_FIELD_NUMBER = 1;
+  public interface AllowedProcessingUnitsOrBuilder
+      extends
+      // @@protoc_insertion_point(interface_extends:google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits)
+      com.google.protobuf.MessageOrBuilder {
 
-  @SuppressWarnings("serial")
-  private volatile java.lang.Object name_ = "";
+    /**
+     *
+     *
+     * 
+     * The minimum value of processing units applicable to this interval,
+     * inclusive.
+     * 

+     *
+     * int32 min_processing_units = 1;
+     *
+     * @return The minProcessingUnits.
+     */
+    int getMinProcessingUnits();
 
-  /**
-   *
-   *
-   * 
-   * A unique identifier for the instance configuration.  Values
-   * are of the form
-   * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
-   *
-   * User instance configuration must start with `custom-`.
-   * 

-   *
-   * string name = 1;
-   *
-   * @return The name.
-   */
-  @java.lang.Override
-  public java.lang.String getName() {
-    java.lang.Object ref = name_;
-    if (ref instanceof java.lang.String) {
-      return (java.lang.String) ref;
-    } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-      java.lang.String s = bs.toStringUtf8();
-      name_ = s;
-      return s;
-    }
+    /**
+     *
+     *
+     * 
+     * The maximum value of processing units applicable to this interval,
+     * inclusive. If unset, there is no predefined limit to the supported
+     * number of processing units, although project quota limits still apply.
+     * 

+     *
+     * int32 max_processing_units = 2;
+     *
+     * @return The maxProcessingUnits.
+     */
+    int getMaxProcessingUnits();
+
+    /**
+     *
+     *
+     * 
+     * Allowed increments of processing units between “min” and “max”.
+     * 

+     *
+     * int32 processing_unit_increment = 3;
+     *
+     * @return The processingUnitIncrement.
+     */
+    int getProcessingUnitIncrement();
   }
 
   /**
    *
    *
    * 
-   * A unique identifier for the instance configuration.  Values
-   * are of the form
-   * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
-   *
-   * User instance configuration must start with `custom-`.
+   * Defines a range of processing units supported by an instance configuration.
    * 

    *
-   * string name = 1;
-   *
-   * @return The bytes for name.
+   * Protobuf type {@code google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits}
    */
-  @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
-    java.lang.Object ref = name_;
-    if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-      name_ = b;
-      return b;
-    } else {
-      return (com.google.protobuf.ByteString) ref;
+  public static final class AllowedProcessingUnits extends com.google.protobuf.GeneratedMessage
+      implements
+      // @@protoc_insertion_point(message_implements:google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits)
+      AllowedProcessingUnitsOrBuilder {
+    private static final long serialVersionUID = 0L;
+
+    static {
+      com.google.protobuf.RuntimeVersion.validateProtobufGencodeVersion(
+          com.google.protobuf.RuntimeVersion.RuntimeDomain.PUBLIC,
+          /* major= */ 4,
+          /* minor= */ 33,
+          /* patch= */ 6,
+          /* suffix= */ "",
+          "AllowedProcessingUnits");
     }
-  }
 
-  public static final int DISPLAY_NAME_FIELD_NUMBER = 2;
+    // Use AllowedProcessingUnits.newBuilder() to construct.
+    private AllowedProcessingUnits(com.google.protobuf.GeneratedMessage.Builder builder) {
+      super(builder);
+    }
 
-  @SuppressWarnings("serial")
-  private volatile java.lang.Object displayName_ = "";
+    private AllowedProcessingUnits() {}
 
-  /**
-   *
-   *
-   * 
-   * The name of this instance configuration as it appears in UIs.
-   * 

-   *
-   * string display_name = 2;
-   *
-   * @return The displayName.
-   */
-  @java.lang.Override
-  public java.lang.String getDisplayName() {
-    java.lang.Object ref = displayName_;
-    if (ref instanceof java.lang.String) {
-      return (java.lang.String) ref;
-    } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-      java.lang.String s = bs.toStringUtf8();
-      displayName_ = s;
-      return s;
+    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+      return com.google.spanner.admin.instance.v1.SpannerInstanceAdminProto
+          .internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_descriptor;
     }
-  }
 
-  /**
-   *
-   *
-   * 
-   * The name of this instance configuration as it appears in UIs.
-   * 

-   *
-   * string display_name = 2;
-   *
-   * @return The bytes for displayName.
-   */
-  @java.lang.Override
-  public com.google.protobuf.ByteString getDisplayNameBytes() {
-    java.lang.Object ref = displayName_;
-    if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-      displayName_ = b;
-      return b;
-    } else {
-      return (com.google.protobuf.ByteString) ref;
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.spanner.admin.instance.v1.SpannerInstanceAdminProto
+          .internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.class,
+              com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder
+                  .class);
     }
-  }
 
-  public static final int CONFIG_TYPE_FIELD_NUMBER = 5;
-  private int configType_ = 0;
+    public static final int MIN_PROCESSING_UNITS_FIELD_NUMBER = 1;
+    private int minProcessingUnits_ = 0;
 
-  /**
-   *
-   *
-   * 
-   * Output only. Whether this instance configuration is a Google-managed or
-   * user-managed configuration.
-   * 

-   *
-   * 
-   * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
-   * @return The enum numeric value on the wire for configType.
-   */
-  @java.lang.Override
-  public int getConfigTypeValue() {
-    return configType_;
-  }
+    /**
+     *
+     *
+     * 
+     * The minimum value of processing units applicable to this interval,
+     * inclusive.
+     * 

+     *
+     * int32 min_processing_units = 1;
+     *
+     * @return The minProcessingUnits.
+     */
+    @java.lang.Override
+    public int getMinProcessingUnits() {
+      return minProcessingUnits_;
+    }
 
-  /**
-   *
-   *
-   * 
-   * Output only. Whether this instance configuration is a Google-managed or
-   * user-managed configuration.
-   * 

-   *
-   * 
-   * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
-   * @return The configType.
-   */
-  @java.lang.Override
-  public com.google.spanner.admin.instance.v1.InstanceConfig.Type getConfigType() {
-    com.google.spanner.admin.instance.v1.InstanceConfig.Type result =
-        com.google.spanner.admin.instance.v1.InstanceConfig.Type.forNumber(configType_);
-    return result == null
-        ? com.google.spanner.admin.instance.v1.InstanceConfig.Type.UNRECOGNIZED
-        : result;
-  }
+    public static final int MAX_PROCESSING_UNITS_FIELD_NUMBER = 2;
+    private int maxProcessingUnits_ = 0;
 
-  public static final int REPLICAS_FIELD_NUMBER = 3;
+    /**
+     *
+     *
+     * 
+     * The maximum value of processing units applicable to this interval,
+     * inclusive. If unset, there is no predefined limit to the supported
+     * number of processing units, although project quota limits still apply.
+     * 

+     *
+     * int32 max_processing_units = 2;
+     *
+     * @return The maxProcessingUnits.
+     */
+    @java.lang.Override
+    public int getMaxProcessingUnits() {
+      return maxProcessingUnits_;
+    }
 
-  @SuppressWarnings("serial")
-  private java.util.List replicas_;
+    public static final int PROCESSING_UNIT_INCREMENT_FIELD_NUMBER = 3;
+    private int processingUnitIncrement_ = 0;
 
-  /**
-   *
-   *
-   * 
-   * The geographic placement of nodes in this instance configuration and their
-   * replication properties.
-   *
-   * To create user-managed configurations, input
-   * `replicas` must include all replicas in `replicas` of the `base_config`
-   * and include one or more replicas in the `optional_replicas` of the
-   * `base_config`.
-   * 

-   *
-   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
-   */
-  @java.lang.Override
-  public java.util.List getReplicasList() {
-    return replicas_;
-  }
+    /**
+     *
+     *
+     * 
+     * Allowed increments of processing units between “min” and “max”.
+     * 

+     *
+     * int32 processing_unit_increment = 3;
+     *
+     * @return The processingUnitIncrement.
+     */
+    @java.lang.Override
+    public int getProcessingUnitIncrement() {
+      return processingUnitIncrement_;
+    }
 
-  /**
-   *
-   *
-   * 
-   * The geographic placement of nodes in this instance configuration and their
-   * replication properties.
-   *
-   * To create user-managed configurations, input
-   * `replicas` must include all replicas in `replicas` of the `base_config`
-   * and include one or more replicas in the `optional_replicas` of the
-   * `base_config`.
-   * 

-   *
-   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
-   */
-  @java.lang.Override
-  public java.util.List
-      getReplicasOrBuilderList() {
-    return replicas_;
-  }
+    private byte memoizedIsInitialized = -1;
 
-  /**
-   *
-   *
-   * 
-   * The geographic placement of nodes in this instance configuration and their
-   * replication properties.
-   *
-   * To create user-managed configurations, input
-   * `replicas` must include all replicas in `replicas` of the `base_config`
-   * and include one or more replicas in the `optional_replicas` of the
-   * `base_config`.
-   * 

-   *
-   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
-   */
-  @java.lang.Override
-  public int getReplicasCount() {
-    return replicas_.size();
+    @java.lang.Override
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized == 1) return true;
+      if (isInitialized == 0) return false;
+
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    @java.lang.Override
+    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+      if (minProcessingUnits_ != 0) {
+        output.writeInt32(1, minProcessingUnits_);
+      }
+      if (maxProcessingUnits_ != 0) {
+        output.writeInt32(2, maxProcessingUnits_);
+      }
+      if (processingUnitIncrement_ != 0) {
+        output.writeInt32(3, processingUnitIncrement_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    @java.lang.Override
+    public int getSerializedSize() {
+      int size = memoizedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (minProcessingUnits_ != 0) {
+        size += com.google.protobuf.CodedOutputStream.computeInt32Size(1, minProcessingUnits_);
+      }
+      if (maxProcessingUnits_ != 0) {
+        size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, maxProcessingUnits_);
+      }
+      if (processingUnitIncrement_ != 0) {
+        size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, processingUnitIncrement_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSize = size;
+      return size;
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+        return true;
+      }
+      if (!(obj
+          instanceof com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits)) {
+        return super.equals(obj);
+      }
+      com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits other =
+          (com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits) obj;
+
+      if (getMinProcessingUnits() != other.getMinProcessingUnits()) return false;
+      if (getMaxProcessingUnits() != other.getMaxProcessingUnits()) return false;
+      if (getProcessingUnitIncrement() != other.getProcessingUnitIncrement()) return false;
+      if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+      return true;
+    }
+
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptor().hashCode();
+      hash = (37 * hash) + MIN_PROCESSING_UNITS_FIELD_NUMBER;
+      hash = (53 * hash) + getMinProcessingUnits();
+      hash = (37 * hash) + MAX_PROCESSING_UNITS_FIELD_NUMBER;
+      hash = (53 * hash) + getMaxProcessingUnits();
+      hash = (37 * hash) + PROCESSING_UNIT_INCREMENT_FIELD_NUMBER;
+      hash = (53 * hash) + getProcessingUnitIncrement();
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(java.nio.ByteBuffer data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(
+            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(com.google.protobuf.ByteString data)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(
+            com.google.protobuf.ByteString data,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(PARSER, input);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseDelimitedFrom(
+            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseDelimitedWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(PARSER, input);
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        parseFrom(
+            com.google.protobuf.CodedInputStream input,
+            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+            throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessage.parseWithIOException(
+          PARSER, input, extensionRegistry);
+    }
+
+    @java.lang.Override
+    public Builder newBuilderForType() {
+      return newBuilder();
+    }
+
+    public static Builder newBuilder() {
+      return DEFAULT_INSTANCE.toBuilder();
+    }
+
+    public static Builder newBuilder(
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits prototype) {
+      return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+    }
+
+    @java.lang.Override
+    public Builder toBuilder() {
+      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Defines a range of processing units supported by an instance configuration.
+     * 

+     *
+     * Protobuf type {@code google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits}
+     */
+    public static final class Builder extends com.google.protobuf.GeneratedMessage.Builder
+        implements
+        // @@protoc_insertion_point(builder_implements:google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits)
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+        return com.google.spanner.admin.instance.v1.SpannerInstanceAdminProto
+            .internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_descriptor;
+      }
+
+      @java.lang.Override
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return com.google.spanner.admin.instance.v1.SpannerInstanceAdminProto
+            .internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.class,
+                com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder
+                    .class);
+      }
+
+      // Construct using
+      // com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.newBuilder()
+      private Builder() {}
+
+      private Builder(com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+      }
+
+      @java.lang.Override
+      public Builder clear() {
+        super.clear();
+        bitField0_ = 0;
+        minProcessingUnits_ = 0;
+        maxProcessingUnits_ = 0;
+        processingUnitIncrement_ = 0;
+        return this;
+      }
+
+      @java.lang.Override
+      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+        return com.google.spanner.admin.instance.v1.SpannerInstanceAdminProto
+            .internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_descriptor;
+      }
+
+      @java.lang.Override
+      public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+          getDefaultInstanceForType() {
+        return com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+            .getDefaultInstance();
+      }
+
+      @java.lang.Override
+      public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits build() {
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits result =
+            buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      @java.lang.Override
+      public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+          buildPartial() {
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits result =
+            new com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits(this);
+        if (bitField0_ != 0) {
+          buildPartial0(result);
+        }
+        onBuilt();
+        return result;
+      }
+
+      private void buildPartial0(
+          com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits result) {
+        int from_bitField0_ = bitField0_;
+        if (((from_bitField0_ & 0x00000001) != 0)) {
+          result.minProcessingUnits_ = minProcessingUnits_;
+        }
+        if (((from_bitField0_ & 0x00000002) != 0)) {
+          result.maxProcessingUnits_ = maxProcessingUnits_;
+        }
+        if (((from_bitField0_ & 0x00000004) != 0)) {
+          result.processingUnitIncrement_ = processingUnitIncrement_;
+        }
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other
+            instanceof com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits) {
+          return mergeFrom(
+              (com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits) other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(
+          com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits other) {
+        if (other
+            == com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+                .getDefaultInstance()) return this;
+        if (other.getMinProcessingUnits() != 0) {
+          setMinProcessingUnits(other.getMinProcessingUnits());
+        }
+        if (other.getMaxProcessingUnits() != 0) {
+          setMaxProcessingUnits(other.getMaxProcessingUnits());
+        }
+        if (other.getProcessingUnitIncrement() != 0) {
+          setProcessingUnitIncrement(other.getProcessingUnitIncrement());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        onChanged();
+        return this;
+      }
+
+      @java.lang.Override
+      public final boolean isInitialized() {
+        return true;
+      }
+
+      @java.lang.Override
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        if (extensionRegistry == null) {
+          throw new java.lang.NullPointerException();
+        }
+        try {
+          boolean done = false;
+          while (!done) {
+            int tag = input.readTag();
+            switch (tag) {
+              case 0:
+                done = true;
+                break;
+              case 8:
+                {
+                  minProcessingUnits_ = input.readInt32();
+                  bitField0_ |= 0x00000001;
+                  break;
+                } // case 8
+              case 16:
+                {
+                  maxProcessingUnits_ = input.readInt32();
+                  bitField0_ |= 0x00000002;
+                  break;
+                } // case 16
+              case 24:
+                {
+                  processingUnitIncrement_ = input.readInt32();
+                  bitField0_ |= 0x00000004;
+                  break;
+                } // case 24
+              default:
+                {
+                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                    done = true; // was an endgroup tag
+                  }
+                  break;
+                } // default:
+            } // switch (tag)
+          } // while (!done)
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.unwrapIOException();
+        } finally {
+          onChanged();
+        } // finally
+        return this;
+      }
+
+      private int bitField0_;
+
+      private int minProcessingUnits_;
+
+      /**
+       *
+       *
+       * 
+       * The minimum value of processing units applicable to this interval,
+       * inclusive.
+       * 

+       *
+       * int32 min_processing_units = 1;
+       *
+       * @return The minProcessingUnits.
+       */
+      @java.lang.Override
+      public int getMinProcessingUnits() {
+        return minProcessingUnits_;
+      }
+
+      /**
+       *
+       *
+       * 
+       * The minimum value of processing units applicable to this interval,
+       * inclusive.
+       * 

+       *
+       * int32 min_processing_units = 1;
+       *
+       * @param value The minProcessingUnits to set.
+       * @return This builder for chaining.
+       */
+      public Builder setMinProcessingUnits(int value) {
+
+        minProcessingUnits_ = value;
+        bitField0_ |= 0x00000001;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * The minimum value of processing units applicable to this interval,
+       * inclusive.
+       * 

+       *
+       * int32 min_processing_units = 1;
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearMinProcessingUnits() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        minProcessingUnits_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private int maxProcessingUnits_;
+
+      /**
+       *
+       *
+       * 
+       * The maximum value of processing units applicable to this interval,
+       * inclusive. If unset, there is no predefined limit to the supported
+       * number of processing units, although project quota limits still apply.
+       * 

+       *
+       * int32 max_processing_units = 2;
+       *
+       * @return The maxProcessingUnits.
+       */
+      @java.lang.Override
+      public int getMaxProcessingUnits() {
+        return maxProcessingUnits_;
+      }
+
+      /**
+       *
+       *
+       * 
+       * The maximum value of processing units applicable to this interval,
+       * inclusive. If unset, there is no predefined limit to the supported
+       * number of processing units, although project quota limits still apply.
+       * 

+       *
+       * int32 max_processing_units = 2;
+       *
+       * @param value The maxProcessingUnits to set.
+       * @return This builder for chaining.
+       */
+      public Builder setMaxProcessingUnits(int value) {
+
+        maxProcessingUnits_ = value;
+        bitField0_ |= 0x00000002;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * The maximum value of processing units applicable to this interval,
+       * inclusive. If unset, there is no predefined limit to the supported
+       * number of processing units, although project quota limits still apply.
+       * 

+       *
+       * int32 max_processing_units = 2;
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearMaxProcessingUnits() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        maxProcessingUnits_ = 0;
+        onChanged();
+        return this;
+      }
+
+      private int processingUnitIncrement_;
+
+      /**
+       *
+       *
+       * 
+       * Allowed increments of processing units between “min” and “max”.
+       * 

+       *
+       * int32 processing_unit_increment = 3;
+       *
+       * @return The processingUnitIncrement.
+       */
+      @java.lang.Override
+      public int getProcessingUnitIncrement() {
+        return processingUnitIncrement_;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Allowed increments of processing units between “min” and “max”.
+       * 

+       *
+       * int32 processing_unit_increment = 3;
+       *
+       * @param value The processingUnitIncrement to set.
+       * @return This builder for chaining.
+       */
+      public Builder setProcessingUnitIncrement(int value) {
+
+        processingUnitIncrement_ = value;
+        bitField0_ |= 0x00000004;
+        onChanged();
+        return this;
+      }
+
+      /**
+       *
+       *
+       * 
+       * Allowed increments of processing units between “min” and “max”.
+       * 

+       *
+       * int32 processing_unit_increment = 3;
+       *
+       * @return This builder for chaining.
+       */
+      public Builder clearProcessingUnitIncrement() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        processingUnitIncrement_ = 0;
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits)
+    }
+
+    // @@protoc_insertion_point(class_scope:google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits)
+    private static final com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        DEFAULT_INSTANCE;
+
+    static {
+      DEFAULT_INSTANCE =
+          new com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits();
+    }
+
+    public static com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        getDefaultInstance() {
+      return DEFAULT_INSTANCE;
+    }
+
+    private static final com.google.protobuf.Parser PARSER =
+        new com.google.protobuf.AbstractParser() {
+          @java.lang.Override
+          public AllowedProcessingUnits parsePartialFrom(
+              com.google.protobuf.CodedInputStream input,
+              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+              throws com.google.protobuf.InvalidProtocolBufferException {
+            Builder builder = newBuilder();
+            try {
+              builder.mergeFrom(input, extensionRegistry);
+            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+              throw e.setUnfinishedMessage(builder.buildPartial());
+            } catch (com.google.protobuf.UninitializedMessageException e) {
+              throw e.asInvalidProtocolBufferException()
+                  .setUnfinishedMessage(builder.buildPartial());
+            } catch (java.io.IOException e) {
+              throw new com.google.protobuf.InvalidProtocolBufferException(e)
+                  .setUnfinishedMessage(builder.buildPartial());
+            }
+            return builder.buildPartial();
+          }
+        };
+
+    public static com.google.protobuf.Parser parser() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Parser getParserForType() {
+      return PARSER;
+    }
+
+    @java.lang.Override
+    public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        getDefaultInstanceForType() {
+      return DEFAULT_INSTANCE;
+    }
   }
 
+  public static final int NAME_FIELD_NUMBER = 1;
+
+  @SuppressWarnings("serial")
+  private volatile java.lang.Object name_ = "";
+
   /**
    *
    *
    * 
-   * The geographic placement of nodes in this instance configuration and their
-   * replication properties.
+   * A unique identifier for the instance configuration.  Values
+   * are of the form
+   * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
    *
-   * To create user-managed configurations, input
-   * `replicas` must include all replicas in `replicas` of the `base_config`
-   * and include one or more replicas in the `optional_replicas` of the
-   * `base_config`.
+   * User instance configuration must start with `custom-`.
    * 

    *
-   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+   * string name = 1;
+   *
+   * @return The name.
    */
   @java.lang.Override
-  public com.google.spanner.admin.instance.v1.ReplicaInfo getReplicas(int index) {
-    return replicas_.get(index);
+  public java.lang.String getName() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      name_ = s;
+      return s;
+    }
   }
 
   /**
    *
    *
    * 
-   * The geographic placement of nodes in this instance configuration and their
-   * replication properties.
+   * A unique identifier for the instance configuration.  Values
+   * are of the form
+   * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
    *
-   * To create user-managed configurations, input
-   * `replicas` must include all replicas in `replicas` of the `base_config`
-   * and include one or more replicas in the `optional_replicas` of the
-   * `base_config`.
+   * User instance configuration must start with `custom-`.
    * 

    *
-   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+   * string name = 1;
+   *
+   * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder getReplicasOrBuilder(int index) {
-    return replicas_.get(index);
+  public com.google.protobuf.ByteString getNameBytes() {
+    java.lang.Object ref = name_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      name_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
   }
 
-  public static final int OPTIONAL_REPLICAS_FIELD_NUMBER = 6;
+  public static final int DISPLAY_NAME_FIELD_NUMBER = 2;
 
   @SuppressWarnings("serial")
-  private java.util.List optionalReplicas_;
+  private volatile java.lang.Object displayName_ = "";
 
   /**
    *
    *
    * 
-   * Output only. The available optional replicas to choose from for
-   * user-managed configurations. Populated for Google-managed configurations.
+   * The name of this instance configuration as it appears in UIs.
    * 

    *
-   * 
-   * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
+   * string display_name = 2;
+   *
+   * @return The displayName.
    */
   @java.lang.Override
-  public java.util.List
-      getOptionalReplicasList() {
-    return optionalReplicas_;
+  public java.lang.String getDisplayName() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      return (java.lang.String) ref;
+    } else {
+      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      java.lang.String s = bs.toStringUtf8();
+      displayName_ = s;
+      return s;
+    }
+  }
+
+  /**
+   *
+   *
+   * 
+   * The name of this instance configuration as it appears in UIs.
+   * 

+   *
+   * string display_name = 2;
+   *
+   * @return The bytes for displayName.
+   */
+  @java.lang.Override
+  public com.google.protobuf.ByteString getDisplayNameBytes() {
+    java.lang.Object ref = displayName_;
+    if (ref instanceof java.lang.String) {
+      com.google.protobuf.ByteString b =
+          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      displayName_ = b;
+      return b;
+    } else {
+      return (com.google.protobuf.ByteString) ref;
+    }
+  }
+
+  public static final int CONFIG_TYPE_FIELD_NUMBER = 5;
+  private int configType_ = 0;
+
+  /**
+   *
+   *
+   * 
+   * Output only. Whether this instance configuration is a Google-managed or
+   * user-managed configuration.
+   * 

+   *
+   * 
+   * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   *
+   * @return The enum numeric value on the wire for configType.
+   */
+  @java.lang.Override
+  public int getConfigTypeValue() {
+    return configType_;
+  }
+
+  /**
+   *
+   *
+   * 
+   * Output only. Whether this instance configuration is a Google-managed or
+   * user-managed configuration.
+   * 

+   *
+   * 
+   * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   *
+   * @return The configType.
+   */
+  @java.lang.Override
+  public com.google.spanner.admin.instance.v1.InstanceConfig.Type getConfigType() {
+    com.google.spanner.admin.instance.v1.InstanceConfig.Type result =
+        com.google.spanner.admin.instance.v1.InstanceConfig.Type.forNumber(configType_);
+    return result == null
+        ? com.google.spanner.admin.instance.v1.InstanceConfig.Type.UNRECOGNIZED
+        : result;
+  }
+
+  public static final int REPLICAS_FIELD_NUMBER = 3;
+
+  @SuppressWarnings("serial")
+  private java.util.List replicas_;
+
+  /**
+   *
+   *
+   * 
+   * The geographic placement of nodes in this instance configuration and their
+   * replication properties.
+   *
+   * To create user-managed configurations, input
+   * `replicas` must include all replicas in `replicas` of the `base_config`
+   * and include one or more replicas in the `optional_replicas` of the
+   * `base_config`.
+   * 

+   *
+   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+   */
+  @java.lang.Override
+  public java.util.List getReplicasList() {
+    return replicas_;
+  }
+
+  /**
+   *
+   *
+   * 
+   * The geographic placement of nodes in this instance configuration and their
+   * replication properties.
+   *
+   * To create user-managed configurations, input
+   * `replicas` must include all replicas in `replicas` of the `base_config`
+   * and include one or more replicas in the `optional_replicas` of the
+   * `base_config`.
+   * 

+   *
+   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+   */
+  @java.lang.Override
+  public java.util.List
+      getReplicasOrBuilderList() {
+    return replicas_;
+  }
+
+  /**
+   *
+   *
+   * 
+   * The geographic placement of nodes in this instance configuration and their
+   * replication properties.
+   *
+   * To create user-managed configurations, input
+   * `replicas` must include all replicas in `replicas` of the `base_config`
+   * and include one or more replicas in the `optional_replicas` of the
+   * `base_config`.
+   * 

+   *
+   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+   */
+  @java.lang.Override
+  public int getReplicasCount() {
+    return replicas_.size();
+  }
+
+  /**
+   *
+   *
+   * 
+   * The geographic placement of nodes in this instance configuration and their
+   * replication properties.
+   *
+   * To create user-managed configurations, input
+   * `replicas` must include all replicas in `replicas` of the `base_config`
+   * and include one or more replicas in the `optional_replicas` of the
+   * `base_config`.
+   * 

+   *
+   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+   */
+  @java.lang.Override
+  public com.google.spanner.admin.instance.v1.ReplicaInfo getReplicas(int index) {
+    return replicas_.get(index);
+  }
+
+  /**
+   *
+   *
+   * 
+   * The geographic placement of nodes in this instance configuration and their
+   * replication properties.
+   *
+   * To create user-managed configurations, input
+   * `replicas` must include all replicas in `replicas` of the `base_config`
+   * and include one or more replicas in the `optional_replicas` of the
+   * `base_config`.
+   * 

+   *
+   * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+   */
+  @java.lang.Override
+  public com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder getReplicasOrBuilder(int index) {
+    return replicas_.get(index);
+  }
+
+  public static final int OPTIONAL_REPLICAS_FIELD_NUMBER = 6;
+
+  @SuppressWarnings("serial")
+  private java.util.List optionalReplicas_;
+
+  /**
+   *
+   *
+   * 
+   * Output only. The available optional replicas to choose from for
+   * user-managed configurations. Populated for Google-managed configurations.
+   * 

+   *
+   * 
+   * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   */
+  @java.lang.Override
+  public java.util.List
+      getOptionalReplicasList() {
+    return optionalReplicas_;
   }
 
   /**
@@ -1740,83 +2501,225 @@ public int getFreeInstanceAvailabilityValue() {
         : result;
   }
 
-  public static final int QUORUM_TYPE_FIELD_NUMBER = 18;
-  private int quorumType_ = 0;
+  public static final int ALLOWED_PROCESSING_UNITS_FIELD_NUMBER = 13;
+
+  @SuppressWarnings("serial")
+  private java.util.List
+      allowedProcessingUnits_;
 
   /**
    *
    *
    * 
-   * Output only. The `QuorumType` of the instance configuration.
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
    * 

    *
    * 
-   * .google.spanner.admin.instance.v1.InstanceConfig.QuorumType quorum_type = 18 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * 
-   *
-   * @return The enum numeric value on the wire for quorumType.
    */
   @java.lang.Override
-  public int getQuorumTypeValue() {
-    return quorumType_;
+  public java.util.List
+      getAllowedProcessingUnitsList() {
+    return allowedProcessingUnits_;
   }
 
   /**
    *
    *
    * 
-   * Output only. The `QuorumType` of the instance configuration.
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
    * 

    *
    * 
-   * .google.spanner.admin.instance.v1.InstanceConfig.QuorumType quorum_type = 18 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * 
-   *
-   * @return The quorumType.
    */
   @java.lang.Override
-  public com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType getQuorumType() {
-    com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType result =
-        com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType.forNumber(quorumType_);
-    return result == null
-        ? com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType.UNRECOGNIZED
-        : result;
+  public java.util.List<
+          ? extends
+              com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsOrBuilder>
+      getAllowedProcessingUnitsOrBuilderList() {
+    return allowedProcessingUnits_;
   }
 
-  public static final int STORAGE_LIMIT_PER_PROCESSING_UNIT_FIELD_NUMBER = 19;
-  private long storageLimitPerProcessingUnit_ = 0L;
-
   /**
    *
    *
    * 
-   * Output only. The storage limit in bytes per processing unit.
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
    * 

    *
    * 
-   * int64 storage_limit_per_processing_unit = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * 
-   *
-   * @return The storageLimitPerProcessingUnit.
    */
   @java.lang.Override
-  public long getStorageLimitPerProcessingUnit() {
-    return storageLimitPerProcessingUnit_;
+  public int getAllowedProcessingUnitsCount() {
+    return allowedProcessingUnits_.size();
   }
 
-  private byte memoizedIsInitialized = -1;
-
+  /**
+   *
+   *
+   * 
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
+   * 

+   *
+   * 
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   */
   @java.lang.Override
-  public final boolean isInitialized() {
-    byte isInitialized = memoizedIsInitialized;
-    if (isInitialized == 1) return true;
-    if (isInitialized == 0) return false;
-
-    memoizedIsInitialized = 1;
-    return true;
+  public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+      getAllowedProcessingUnits(int index) {
+    return allowedProcessingUnits_.get(index);
   }
 
-  @java.lang.Override
+  /**
+   *
+   *
+   * 
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
+   * 

+   *
+   * 
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   */
+  @java.lang.Override
+  public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsOrBuilder
+      getAllowedProcessingUnitsOrBuilder(int index) {
+    return allowedProcessingUnits_.get(index);
+  }
+
+  public static final int QUORUM_TYPE_FIELD_NUMBER = 18;
+  private int quorumType_ = 0;
+
+  /**
+   *
+   *
+   * 
+   * Output only. The `QuorumType` of the instance configuration.
+   * 

+   *
+   * 
+   * .google.spanner.admin.instance.v1.InstanceConfig.QuorumType quorum_type = 18 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   *
+   * @return The enum numeric value on the wire for quorumType.
+   */
+  @java.lang.Override
+  public int getQuorumTypeValue() {
+    return quorumType_;
+  }
+
+  /**
+   *
+   *
+   * 
+   * Output only. The `QuorumType` of the instance configuration.
+   * 

+   *
+   * 
+   * .google.spanner.admin.instance.v1.InstanceConfig.QuorumType quorum_type = 18 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   *
+   * @return The quorumType.
+   */
+  @java.lang.Override
+  public com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType getQuorumType() {
+    com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType result =
+        com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType.forNumber(quorumType_);
+    return result == null
+        ? com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType.UNRECOGNIZED
+        : result;
+  }
+
+  public static final int STORAGE_LIMIT_PER_PROCESSING_UNIT_FIELD_NUMBER = 19;
+  private long storageLimitPerProcessingUnit_ = 0L;
+
+  /**
+   *
+   *
+   * 
+   * Output only. The storage limit in bytes per processing unit.
+   * 

+   *
+   * 
+   * int64 storage_limit_per_processing_unit = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   *
+   * @return The storageLimitPerProcessingUnit.
+   */
+  @java.lang.Override
+  public long getStorageLimitPerProcessingUnit() {
+    return storageLimitPerProcessingUnit_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
   public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessage.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessage.writeString(output, 1, name_);
@@ -1859,6 +2762,9 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
             .getNumber()) {
       output.writeEnum(12, freeInstanceAvailability_);
     }
+    for (int i = 0; i < allowedProcessingUnits_.size(); i++) {
+      output.writeMessage(13, allowedProcessingUnits_.get(i));
+    }
     if (quorumType_
         != com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType.QUORUM_TYPE_UNSPECIFIED
             .getNumber()) {
@@ -1930,6 +2836,11 @@ public int getSerializedSize() {
             .getNumber()) {
       size += com.google.protobuf.CodedOutputStream.computeEnumSize(12, freeInstanceAvailability_);
     }
+    for (int i = 0; i < allowedProcessingUnits_.size(); i++) {
+      size +=
+          com.google.protobuf.CodedOutputStream.computeMessageSize(
+              13, allowedProcessingUnits_.get(i));
+    }
     if (quorumType_
         != com.google.spanner.admin.instance.v1.InstanceConfig.QuorumType.QUORUM_TYPE_UNSPECIFIED
             .getNumber()) {
@@ -1968,6 +2879,8 @@ public boolean equals(final java.lang.Object obj) {
     if (getReconciling() != other.getReconciling()) return false;
     if (state_ != other.state_) return false;
     if (freeInstanceAvailability_ != other.freeInstanceAvailability_) return false;
+    if (!getAllowedProcessingUnitsList().equals(other.getAllowedProcessingUnitsList()))
+      return false;
     if (quorumType_ != other.quorumType_) return false;
     if (getStorageLimitPerProcessingUnit() != other.getStorageLimitPerProcessingUnit())
       return false;
@@ -2014,6 +2927,10 @@ public int hashCode() {
     hash = (53 * hash) + state_;
     hash = (37 * hash) + FREE_INSTANCE_AVAILABILITY_FIELD_NUMBER;
     hash = (53 * hash) + freeInstanceAvailability_;
+    if (getAllowedProcessingUnitsCount() > 0) {
+      hash = (37 * hash) + ALLOWED_PROCESSING_UNITS_FIELD_NUMBER;
+      hash = (53 * hash) + getAllowedProcessingUnitsList().hashCode();
+    }
     hash = (37 * hash) + QUORUM_TYPE_FIELD_NUMBER;
     hash = (53 * hash) + quorumType_;
     hash = (37 * hash) + STORAGE_LIMIT_PER_PROCESSING_UNIT_FIELD_NUMBER;
@@ -2205,6 +3122,13 @@ public Builder clear() {
       reconciling_ = false;
       state_ = 0;
       freeInstanceAvailability_ = 0;
+      if (allowedProcessingUnitsBuilder_ == null) {
+        allowedProcessingUnits_ = java.util.Collections.emptyList();
+      } else {
+        allowedProcessingUnits_ = null;
+        allowedProcessingUnitsBuilder_.clear();
+      }
+      bitField0_ = (bitField0_ & ~0x00001000);
       quorumType_ = 0;
       storageLimitPerProcessingUnit_ = 0L;
       return this;
@@ -2262,6 +3186,15 @@ private void buildPartialRepeatedFields(
       } else {
         result.optionalReplicas_ = optionalReplicasBuilder_.build();
       }
+      if (allowedProcessingUnitsBuilder_ == null) {
+        if (((bitField0_ & 0x00001000) != 0)) {
+          allowedProcessingUnits_ = java.util.Collections.unmodifiableList(allowedProcessingUnits_);
+          bitField0_ = (bitField0_ & ~0x00001000);
+        }
+        result.allowedProcessingUnits_ = allowedProcessingUnits_;
+      } else {
+        result.allowedProcessingUnits_ = allowedProcessingUnitsBuilder_.build();
+      }
     }
 
     private void buildPartial0(com.google.spanner.admin.instance.v1.InstanceConfig result) {
@@ -2298,10 +3231,10 @@ private void buildPartial0(com.google.spanner.admin.instance.v1.InstanceConfig r
       if (((from_bitField0_ & 0x00000800) != 0)) {
         result.freeInstanceAvailability_ = freeInstanceAvailability_;
       }
-      if (((from_bitField0_ & 0x00001000) != 0)) {
+      if (((from_bitField0_ & 0x00002000) != 0)) {
         result.quorumType_ = quorumType_;
       }
-      if (((from_bitField0_ & 0x00002000) != 0)) {
+      if (((from_bitField0_ & 0x00004000) != 0)) {
         result.storageLimitPerProcessingUnit_ = storageLimitPerProcessingUnit_;
       }
     }
@@ -2417,6 +3350,33 @@ public Builder mergeFrom(com.google.spanner.admin.instance.v1.InstanceConfig oth
       if (other.freeInstanceAvailability_ != 0) {
         setFreeInstanceAvailabilityValue(other.getFreeInstanceAvailabilityValue());
       }
+      if (allowedProcessingUnitsBuilder_ == null) {
+        if (!other.allowedProcessingUnits_.isEmpty()) {
+          if (allowedProcessingUnits_.isEmpty()) {
+            allowedProcessingUnits_ = other.allowedProcessingUnits_;
+            bitField0_ = (bitField0_ & ~0x00001000);
+          } else {
+            ensureAllowedProcessingUnitsIsMutable();
+            allowedProcessingUnits_.addAll(other.allowedProcessingUnits_);
+          }
+          onChanged();
+        }
+      } else {
+        if (!other.allowedProcessingUnits_.isEmpty()) {
+          if (allowedProcessingUnitsBuilder_.isEmpty()) {
+            allowedProcessingUnitsBuilder_.dispose();
+            allowedProcessingUnitsBuilder_ = null;
+            allowedProcessingUnits_ = other.allowedProcessingUnits_;
+            bitField0_ = (bitField0_ & ~0x00001000);
+            allowedProcessingUnitsBuilder_ =
+                com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders
+                    ? internalGetAllowedProcessingUnitsFieldBuilder()
+                    : null;
+          } else {
+            allowedProcessingUnitsBuilder_.addAllMessages(other.allowedProcessingUnits_);
+          }
+        }
+      }
       if (other.quorumType_ != 0) {
         setQuorumTypeValue(other.getQuorumTypeValue());
       }
@@ -2544,16 +3504,31 @@ public Builder mergeFrom(
                 bitField0_ |= 0x00000800;
                 break;
               } // case 96
+            case 106:
+              {
+                com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits m =
+                    input.readMessage(
+                        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+                            .parser(),
+                        extensionRegistry);
+                if (allowedProcessingUnitsBuilder_ == null) {
+                  ensureAllowedProcessingUnitsIsMutable();
+                  allowedProcessingUnits_.add(m);
+                } else {
+                  allowedProcessingUnitsBuilder_.addMessage(m);
+                }
+                break;
+              } // case 106
             case 144:
               {
                 quorumType_ = input.readEnum();
-                bitField0_ |= 0x00001000;
+                bitField0_ |= 0x00002000;
                 break;
               } // case 144
             case 152:
               {
                 storageLimitPerProcessingUnit_ = input.readInt64();
-                bitField0_ |= 0x00002000;
+                bitField0_ |= 0x00004000;
                 break;
               } // case 152
             default:
@@ -2573,161 +3548,445 @@ public Builder mergeFrom(
       return this;
     }
 
-    private int bitField0_;
-
-    private java.lang.Object name_ = "";
-
+    private int bitField0_;
+
+    private java.lang.Object name_ = "";
+
+    /**
+     *
+     *
+     * 
+     * A unique identifier for the instance configuration.  Values
+     * are of the form
+     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
+     *
+     * User instance configuration must start with `custom-`.
+     * 

+     *
+     * string name = 1;
+     *
+     * @return The name.
+     */
+    public java.lang.String getName() {
+      java.lang.Object ref = name_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        name_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * A unique identifier for the instance configuration.  Values
+     * are of the form
+     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
+     *
+     * User instance configuration must start with `custom-`.
+     * 

+     *
+     * string name = 1;
+     *
+     * @return The bytes for name.
+     */
+    public com.google.protobuf.ByteString getNameBytes() {
+      java.lang.Object ref = name_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        name_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * A unique identifier for the instance configuration.  Values
+     * are of the form
+     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
+     *
+     * User instance configuration must start with `custom-`.
+     * 

+     *
+     * string name = 1;
+     *
+     * @param value The name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A unique identifier for the instance configuration.  Values
+     * are of the form
+     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
+     *
+     * User instance configuration must start with `custom-`.
+     * 

+     *
+     * string name = 1;
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearName() {
+      name_ = getDefaultInstance().getName();
+      bitField0_ = (bitField0_ & ~0x00000001);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * A unique identifier for the instance configuration.  Values
+     * are of the form
+     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
+     *
+     * User instance configuration must start with `custom-`.
+     * 

+     *
+     * string name = 1;
+     *
+     * @param value The bytes for name to set.
+     * @return This builder for chaining.
+     */
+    public Builder setNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      name_ = value;
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private java.lang.Object displayName_ = "";
+
+    /**
+     *
+     *
+     * 
+     * The name of this instance configuration as it appears in UIs.
+     * 

+     *
+     * string display_name = 2;
+     *
+     * @return The displayName.
+     */
+    public java.lang.String getDisplayName() {
+      java.lang.Object ref = displayName_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        displayName_ = s;
+        return s;
+      } else {
+        return (java.lang.String) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * The name of this instance configuration as it appears in UIs.
+     * 

+     *
+     * string display_name = 2;
+     *
+     * @return The bytes for displayName.
+     */
+    public com.google.protobuf.ByteString getDisplayNameBytes() {
+      java.lang.Object ref = displayName_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        displayName_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * The name of this instance configuration as it appears in UIs.
+     * 

+     *
+     * string display_name = 2;
+     *
+     * @param value The displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayName(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      displayName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * The name of this instance configuration as it appears in UIs.
+     * 

+     *
+     * string display_name = 2;
+     *
+     * @return This builder for chaining.
+     */
+    public Builder clearDisplayName() {
+      displayName_ = getDefaultInstance().getDisplayName();
+      bitField0_ = (bitField0_ & ~0x00000002);
+      onChanged();
+      return this;
+    }
+
+    /**
+     *
+     *
+     * 
+     * The name of this instance configuration as it appears in UIs.
+     * 

+     *
+     * string display_name = 2;
+     *
+     * @param value The bytes for displayName to set.
+     * @return This builder for chaining.
+     */
+    public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
+      }
+      checkByteStringIsUtf8(value);
+      displayName_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+
+    private int configType_ = 0;
+
+    /**
+     *
+     *
+     * 
+     * Output only. Whether this instance configuration is a Google-managed or
+     * user-managed configuration.
+     * 

+     *
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
+     *
+     * @return The enum numeric value on the wire for configType.
+     */
+    @java.lang.Override
+    public int getConfigTypeValue() {
+      return configType_;
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. Whether this instance configuration is a Google-managed or
+     * user-managed configuration.
+     * 

+     *
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
+     *
+     * @param value The enum numeric value on the wire for configType to set.
+     * @return This builder for chaining.
+     */
+    public Builder setConfigTypeValue(int value) {
+      configType_ = value;
+      bitField0_ |= 0x00000004;
+      onChanged();
+      return this;
+    }
+
     /**
      *
      *
      * 
-     * A unique identifier for the instance configuration.  Values
-     * are of the form
-     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
-     *
-     * User instance configuration must start with `custom-`.
+     * Output only. Whether this instance configuration is a Google-managed or
+     * user-managed configuration.
      * 

      *
-     * string name = 1;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @return The name.
+     * @return The configType.
      */
-    public java.lang.String getName() {
-      java.lang.Object ref = name_;
-      if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        name_ = s;
-        return s;
-      } else {
-        return (java.lang.String) ref;
-      }
+    @java.lang.Override
+    public com.google.spanner.admin.instance.v1.InstanceConfig.Type getConfigType() {
+      com.google.spanner.admin.instance.v1.InstanceConfig.Type result =
+          com.google.spanner.admin.instance.v1.InstanceConfig.Type.forNumber(configType_);
+      return result == null
+          ? com.google.spanner.admin.instance.v1.InstanceConfig.Type.UNRECOGNIZED
+          : result;
     }
 
     /**
      *
      *
      * 
-     * A unique identifier for the instance configuration.  Values
-     * are of the form
-     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
-     *
-     * User instance configuration must start with `custom-`.
+     * Output only. Whether this instance configuration is a Google-managed or
+     * user-managed configuration.
      * 

      *
-     * string name = 1;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @return The bytes for name.
+     * @param value The configType to set.
+     * @return This builder for chaining.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
-      java.lang.Object ref = name_;
-      if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        name_ = b;
-        return b;
-      } else {
-        return (com.google.protobuf.ByteString) ref;
+    public Builder setConfigType(com.google.spanner.admin.instance.v1.InstanceConfig.Type value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
+      bitField0_ |= 0x00000004;
+      configType_ = value.getNumber();
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * 
-     * A unique identifier for the instance configuration.  Values
-     * are of the form
-     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
-     *
-     * User instance configuration must start with `custom-`.
+     * Output only. Whether this instance configuration is a Google-managed or
+     * user-managed configuration.
      * 

      *
-     * string name = 1;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      name_ = value;
-      bitField0_ |= 0x00000001;
+    public Builder clearConfigType() {
+      bitField0_ = (bitField0_ & ~0x00000004);
+      configType_ = 0;
       onChanged();
       return this;
     }
 
+    private java.util.List replicas_ =
+        java.util.Collections.emptyList();
+
+    private void ensureReplicasIsMutable() {
+      if (!((bitField0_ & 0x00000008) != 0)) {
+        replicas_ =
+            new java.util.ArrayList(replicas_);
+        bitField0_ |= 0x00000008;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.spanner.admin.instance.v1.ReplicaInfo,
+            com.google.spanner.admin.instance.v1.ReplicaInfo.Builder,
+            com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder>
+        replicasBuilder_;
+
     /**
      *
      *
      * 
-     * A unique identifier for the instance configuration.  Values
-     * are of the form
-     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
+     * The geographic placement of nodes in this instance configuration and their
+     * replication properties.
      *
-     * User instance configuration must start with `custom-`.
+     * To create user-managed configurations, input
+     * `replicas` must include all replicas in `replicas` of the `base_config`
+     * and include one or more replicas in the `optional_replicas` of the
+     * `base_config`.
      * 

      *
-     * string name = 1;
-     *
-     * @return This builder for chaining.
+     * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
      */
-    public Builder clearName() {
-      name_ = getDefaultInstance().getName();
-      bitField0_ = (bitField0_ & ~0x00000001);
-      onChanged();
-      return this;
+    public java.util.List getReplicasList() {
+      if (replicasBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(replicas_);
+      } else {
+        return replicasBuilder_.getMessageList();
+      }
     }
 
     /**
      *
      *
      * 
-     * A unique identifier for the instance configuration.  Values
-     * are of the form
-     * `projects/<project>/instanceConfigs/[a-z][-a-z0-9]*`.
+     * The geographic placement of nodes in this instance configuration and their
+     * replication properties.
      *
-     * User instance configuration must start with `custom-`.
+     * To create user-managed configurations, input
+     * `replicas` must include all replicas in `replicas` of the `base_config`
+     * and include one or more replicas in the `optional_replicas` of the
+     * `base_config`.
      * 

      *
-     * string name = 1;
-     *
-     * @param value The bytes for name to set.
-     * @return This builder for chaining.
+     * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public int getReplicasCount() {
+      if (replicasBuilder_ == null) {
+        return replicas_.size();
+      } else {
+        return replicasBuilder_.getCount();
       }
-      checkByteStringIsUtf8(value);
-      name_ = value;
-      bitField0_ |= 0x00000001;
-      onChanged();
-      return this;
     }
 
-    private java.lang.Object displayName_ = "";
-
     /**
      *
      *
      * 
-     * The name of this instance configuration as it appears in UIs.
-     * 

+     * The geographic placement of nodes in this instance configuration and their
+     * replication properties.
      *
-     * string display_name = 2;
+     * To create user-managed configurations, input
+     * `replicas` must include all replicas in `replicas` of the `base_config`
+     * and include one or more replicas in the `optional_replicas` of the
+     * `base_config`.
+     *
* - * @return The displayName. + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public java.lang.String getDisplayName() { - java.lang.Object ref = displayName_; - if (!(ref instanceof java.lang.String)) { - com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref; - java.lang.String s = bs.toStringUtf8(); - displayName_ = s; - return s; + public com.google.spanner.admin.instance.v1.ReplicaInfo getReplicas(int index) { + if (replicasBuilder_ == null) { + return replicas_.get(index); } else { - return (java.lang.String) ref; + return replicasBuilder_.getMessage(index); } } @@ -2735,44 +3994,55 @@ public java.lang.String getDisplayName() { * * * 
-     * The name of this instance configuration as it appears in UIs.
-     *
+ * The geographic placement of nodes in this instance configuration and their + * replication properties. * - * string display_name = 2; + * To create user-managed configurations, input + * `replicas` must include all replicas in `replicas` of the `base_config` + * and include one or more replicas in the `optional_replicas` of the + * `base_config`. + * * - * @return The bytes for displayName. + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public com.google.protobuf.ByteString getDisplayNameBytes() { - java.lang.Object ref = displayName_; - if (ref instanceof String) { - com.google.protobuf.ByteString b = - com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref); - displayName_ = b; - return b; + public Builder setReplicas(int index, com.google.spanner.admin.instance.v1.ReplicaInfo value) { + if (replicasBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + ensureReplicasIsMutable(); + replicas_.set(index, value); + onChanged(); } else { - return (com.google.protobuf.ByteString) ref; + replicasBuilder_.setMessage(index, value); } + return this; } /** * * * 
-     * The name of this instance configuration as it appears in UIs.
-     *
+ * The geographic placement of nodes in this instance configuration and their + * replication properties. * - * string display_name = 2; + * To create user-managed configurations, input + * `replicas` must include all replicas in `replicas` of the `base_config` + * and include one or more replicas in the `optional_replicas` of the + * `base_config`. + * * - * @param value The displayName to set. - * @return This builder for chaining. + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public Builder setDisplayName(java.lang.String value) { - if (value == null) { - throw new NullPointerException(); + public Builder setReplicas( + int index, com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) { + if (replicasBuilder_ == null) { + ensureReplicasIsMutable(); + replicas_.set(index, builderForValue.build()); + onChanged(); + } else { + replicasBuilder_.setMessage(index, builderForValue.build()); } - displayName_ = value; - bitField0_ |= 0x00000002; - onChanged(); return this; } @@ -2780,17 +4050,28 @@ public Builder setDisplayName(java.lang.String value) { * * * 
-     * The name of this instance configuration as it appears in UIs.
-     *
+ * The geographic placement of nodes in this instance configuration and their + * replication properties. * - * string display_name = 2; + * To create user-managed configurations, input + * `replicas` must include all replicas in `replicas` of the `base_config` + * and include one or more replicas in the `optional_replicas` of the + * `base_config`. + * * - * @return This builder for chaining. - */ - public Builder clearDisplayName() { - displayName_ = getDefaultInstance().getDisplayName(); - bitField0_ = (bitField0_ & ~0x00000002); - onChanged(); + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; + */ + public Builder addReplicas(com.google.spanner.admin.instance.v1.ReplicaInfo value) { + if (replicasBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + ensureReplicasIsMutable(); + replicas_.add(value); + onChanged(); + } else { + replicasBuilder_.addMessage(value); + } return this; } @@ -2798,65 +4079,82 @@ public Builder clearDisplayName() { * * * 
-     * The name of this instance configuration as it appears in UIs.
-     *
+ * The geographic placement of nodes in this instance configuration and their + * replication properties. * - * string display_name = 2; + * To create user-managed configurations, input + * `replicas` must include all replicas in `replicas` of the `base_config` + * and include one or more replicas in the `optional_replicas` of the + * `base_config`. + * * - * @param value The bytes for displayName to set. - * @return This builder for chaining. + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public Builder setDisplayNameBytes(com.google.protobuf.ByteString value) { - if (value == null) { - throw new NullPointerException(); + public Builder addReplicas(int index, com.google.spanner.admin.instance.v1.ReplicaInfo value) { + if (replicasBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + ensureReplicasIsMutable(); + replicas_.add(index, value); + onChanged(); + } else { + replicasBuilder_.addMessage(index, value); } - checkByteStringIsUtf8(value); - displayName_ = value; - bitField0_ |= 0x00000002; - onChanged(); return this; } - private int configType_ = 0; - /** * * * 
-     * Output only. Whether this instance configuration is a Google-managed or
-     * user-managed configuration.
-     *
+ * The geographic placement of nodes in this instance configuration and their + * replication properties. * - * - * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY]; - * + * To create user-managed configurations, input + * `replicas` must include all replicas in `replicas` of the `base_config` + * and include one or more replicas in the `optional_replicas` of the + * `base_config`. + * * - * @return The enum numeric value on the wire for configType. + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - @java.lang.Override - public int getConfigTypeValue() { - return configType_; + public Builder addReplicas( + com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) { + if (replicasBuilder_ == null) { + ensureReplicasIsMutable(); + replicas_.add(builderForValue.build()); + onChanged(); + } else { + replicasBuilder_.addMessage(builderForValue.build()); + } + return this; } /** * * * 
-     * Output only. Whether this instance configuration is a Google-managed or
-     * user-managed configuration.
-     *
+ * The geographic placement of nodes in this instance configuration and their + * replication properties. * - * - * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY]; - * + * To create user-managed configurations, input + * `replicas` must include all replicas in `replicas` of the `base_config` + * and include one or more replicas in the `optional_replicas` of the + * `base_config`. + * * - * @param value The enum numeric value on the wire for configType to set. - * @return This builder for chaining. + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public Builder setConfigTypeValue(int value) { - configType_ = value; - bitField0_ |= 0x00000004; - onChanged(); + public Builder addReplicas( + int index, com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) { + if (replicasBuilder_ == null) { + ensureReplicasIsMutable(); + replicas_.add(index, builderForValue.build()); + onChanged(); + } else { + replicasBuilder_.addMessage(index, builderForValue.build()); + } return this; } @@ -2864,47 +4162,52 @@ public Builder setConfigTypeValue(int value) { * * * 
-     * Output only. Whether this instance configuration is a Google-managed or
-     * user-managed configuration.
-     *
+ * The geographic placement of nodes in this instance configuration and their + * replication properties. * - * - * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY]; - * + * To create user-managed configurations, input + * `replicas` must include all replicas in `replicas` of the `base_config` + * and include one or more replicas in the `optional_replicas` of the + * `base_config`. + * * - * @return The configType. + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - @java.lang.Override - public com.google.spanner.admin.instance.v1.InstanceConfig.Type getConfigType() { - com.google.spanner.admin.instance.v1.InstanceConfig.Type result = - com.google.spanner.admin.instance.v1.InstanceConfig.Type.forNumber(configType_); - return result == null - ? com.google.spanner.admin.instance.v1.InstanceConfig.Type.UNRECOGNIZED - : result; + public Builder addAllReplicas( + java.lang.Iterable values) { + if (replicasBuilder_ == null) { + ensureReplicasIsMutable(); + com.google.protobuf.AbstractMessageLite.Builder.addAll(values, replicas_); + onChanged(); + } else { + replicasBuilder_.addAllMessages(values); + } + return this; } /** * * * 
-     * Output only. Whether this instance configuration is a Google-managed or
-     * user-managed configuration.
-     *
+ * The geographic placement of nodes in this instance configuration and their + * replication properties. * - * - * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY]; - * + * To create user-managed configurations, input + * `replicas` must include all replicas in `replicas` of the `base_config` + * and include one or more replicas in the `optional_replicas` of the + * `base_config`. + * * - * @param value The configType to set. - * @return This builder for chaining. + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public Builder setConfigType(com.google.spanner.admin.instance.v1.InstanceConfig.Type value) { - if (value == null) { - throw new NullPointerException(); + public Builder clearReplicas() { + if (replicasBuilder_ == null) { + replicas_ = java.util.Collections.emptyList(); + bitField0_ = (bitField0_ & ~0x00000008); + onChanged(); + } else { + replicasBuilder_.clear(); } - bitField0_ |= 0x00000004; - configType_ = value.getNumber(); - onChanged(); return this; } @@ -2912,40 +4215,28 @@ public Builder setConfigType(com.google.spanner.admin.instance.v1.InstanceConfig * * * 
-     * Output only. Whether this instance configuration is a Google-managed or
-     * user-managed configuration.
-     *
+ * The geographic placement of nodes in this instance configuration and their + * replication properties. * - * - * .google.spanner.admin.instance.v1.InstanceConfig.Type config_type = 5 [(.google.api.field_behavior) = OUTPUT_ONLY]; - * + * To create user-managed configurations, input + * `replicas` must include all replicas in `replicas` of the `base_config` + * and include one or more replicas in the `optional_replicas` of the + * `base_config`. + * * - * @return This builder for chaining. + * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public Builder clearConfigType() { - bitField0_ = (bitField0_ & ~0x00000004); - configType_ = 0; - onChanged(); - return this; - } - - private java.util.List replicas_ = - java.util.Collections.emptyList(); - - private void ensureReplicasIsMutable() { - if (!((bitField0_ & 0x00000008) != 0)) { - replicas_ = - new java.util.ArrayList(replicas_); - bitField0_ |= 0x00000008; + public Builder removeReplicas(int index) { + if (replicasBuilder_ == null) { + ensureReplicasIsMutable(); + replicas_.remove(index); + onChanged(); + } else { + replicasBuilder_.remove(index); } + return this; } - private com.google.protobuf.RepeatedFieldBuilder< - com.google.spanner.admin.instance.v1.ReplicaInfo, - com.google.spanner.admin.instance.v1.ReplicaInfo.Builder, - com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder> - replicasBuilder_; - /** * * @@ -2961,12 +4252,8 @@ private void ensureReplicasIsMutable() { * * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public java.util.List getReplicasList() { - if (replicasBuilder_ == null) { - return java.util.Collections.unmodifiableList(replicas_); - } else { - return replicasBuilder_.getMessageList(); - } + public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder getReplicasBuilder(int index) { + return internalGetReplicasFieldBuilder().getBuilder(index); } /** @@ -2984,11 +4271,12 @@ public java.util.List getRepli * * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public int getReplicasCount() { + public com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder getReplicasOrBuilder( + int index) { if (replicasBuilder_ == null) { - return replicas_.size(); + return replicas_.get(index); } else { - return replicasBuilder_.getCount(); + return replicasBuilder_.getMessageOrBuilder(index); } } @@ -3007,11 +4295,12 @@ public int getReplicasCount() { * * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public com.google.spanner.admin.instance.v1.ReplicaInfo getReplicas(int index) { - if (replicasBuilder_ == null) { - return replicas_.get(index); + public java.util.List + getReplicasOrBuilderList() { + if (replicasBuilder_ != null) { + return replicasBuilder_.getMessageOrBuilderList(); } else { - return replicasBuilder_.getMessage(index); + return java.util.Collections.unmodifiableList(replicas_); } } @@ -3030,18 +4319,9 @@ public com.google.spanner.admin.instance.v1.ReplicaInfo getReplicas(int index) { * * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public Builder setReplicas(int index, com.google.spanner.admin.instance.v1.ReplicaInfo value) { - if (replicasBuilder_ == null) { - if (value == null) { - throw new NullPointerException(); - } - ensureReplicasIsMutable(); - replicas_.set(index, value); - onChanged(); - } else { - replicasBuilder_.setMessage(index, value); - } - return this; + public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder addReplicasBuilder() { + return internalGetReplicasFieldBuilder() + .addBuilder(com.google.spanner.admin.instance.v1.ReplicaInfo.getDefaultInstance()); } /** @@ -3058,17 +4338,10 @@ public Builder setReplicas(int index, com.google.spanner.admin.instance.v1.Repli * * * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; - */ - public Builder setReplicas( - int index, com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) { - if (replicasBuilder_ == null) { - ensureReplicasIsMutable(); - replicas_.set(index, builderForValue.build()); - onChanged(); - } else { - replicasBuilder_.setMessage(index, builderForValue.build()); - } - return this; + */ + public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder addReplicasBuilder(int index) { + return internalGetReplicasFieldBuilder() + .addBuilder(index, com.google.spanner.admin.instance.v1.ReplicaInfo.getDefaultInstance()); } /** @@ -3086,99 +4359,130 @@ public Builder setReplicas( * * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; */ - public Builder addReplicas(com.google.spanner.admin.instance.v1.ReplicaInfo value) { + public java.util.List + getReplicasBuilderList() { + return internalGetReplicasFieldBuilder().getBuilderList(); + } + + private com.google.protobuf.RepeatedFieldBuilder< + com.google.spanner.admin.instance.v1.ReplicaInfo, + com.google.spanner.admin.instance.v1.ReplicaInfo.Builder, + com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder> + internalGetReplicasFieldBuilder() { if (replicasBuilder_ == null) { - if (value == null) { - throw new NullPointerException(); - } - ensureReplicasIsMutable(); - replicas_.add(value); - onChanged(); - } else { - replicasBuilder_.addMessage(value); + replicasBuilder_ = + new com.google.protobuf.RepeatedFieldBuilder< + com.google.spanner.admin.instance.v1.ReplicaInfo, + com.google.spanner.admin.instance.v1.ReplicaInfo.Builder, + com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder>( + replicas_, ((bitField0_ & 0x00000008) != 0), getParentForChildren(), isClean()); + replicas_ = null; } - return this; + return replicasBuilder_; } + private java.util.List optionalReplicas_ = + java.util.Collections.emptyList(); + + private void ensureOptionalReplicasIsMutable() { + if (!((bitField0_ & 0x00000010) != 0)) { + optionalReplicas_ = + new java.util.ArrayList( + optionalReplicas_); + bitField0_ |= 0x00000010; + } + } + + private com.google.protobuf.RepeatedFieldBuilder< + com.google.spanner.admin.instance.v1.ReplicaInfo, + com.google.spanner.admin.instance.v1.ReplicaInfo.Builder, + com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder> + optionalReplicasBuilder_; + /** * * * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      *
* - * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; + * + * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY]; + * */ - public Builder addReplicas(int index, com.google.spanner.admin.instance.v1.ReplicaInfo value) { - if (replicasBuilder_ == null) { - if (value == null) { - throw new NullPointerException(); - } - ensureReplicasIsMutable(); - replicas_.add(index, value); - onChanged(); + public java.util.List + getOptionalReplicasList() { + if (optionalReplicasBuilder_ == null) { + return java.util.Collections.unmodifiableList(optionalReplicas_); } else { - replicasBuilder_.addMessage(index, value); + return optionalReplicasBuilder_.getMessageList(); } - return this; } /** * * * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      *
* - * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; + * + * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY]; + * */ - public Builder addReplicas( - com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) { - if (replicasBuilder_ == null) { - ensureReplicasIsMutable(); - replicas_.add(builderForValue.build()); - onChanged(); + public int getOptionalReplicasCount() { + if (optionalReplicasBuilder_ == null) { + return optionalReplicas_.size(); } else { - replicasBuilder_.addMessage(builderForValue.build()); + return optionalReplicasBuilder_.getCount(); } - return this; } /** * * * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
+     *
* - * To create user-managed configurations, input - * `replicas` must include all replicas in `replicas` of the `base_config` - * and include one or more replicas in the `optional_replicas` of the - * `base_config`. + * + * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY]; + * + */ + public com.google.spanner.admin.instance.v1.ReplicaInfo getOptionalReplicas(int index) { + if (optionalReplicasBuilder_ == null) { + return optionalReplicas_.get(index); + } else { + return optionalReplicasBuilder_.getMessage(index); + } + } + + /** + * + * + * 
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      *
* - * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; + * + * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY]; + * */ - public Builder addReplicas( - int index, com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) { - if (replicasBuilder_ == null) { - ensureReplicasIsMutable(); - replicas_.add(index, builderForValue.build()); + public Builder setOptionalReplicas( + int index, com.google.spanner.admin.instance.v1.ReplicaInfo value) { + if (optionalReplicasBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + ensureOptionalReplicasIsMutable(); + optionalReplicas_.set(index, value); onChanged(); } else { - replicasBuilder_.addMessage(index, builderForValue.build()); + optionalReplicasBuilder_.setMessage(index, value); } return this; } @@ -3187,25 +4491,22 @@ public Builder addReplicas( * * * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      *
* - * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; + * + * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY]; + * */ - public Builder addAllReplicas( - java.lang.Iterable values) { - if (replicasBuilder_ == null) { - ensureReplicasIsMutable(); - com.google.protobuf.AbstractMessageLite.Builder.addAll(values, replicas_); + public Builder setOptionalReplicas( + int index, com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) { + if (optionalReplicasBuilder_ == null) { + ensureOptionalReplicasIsMutable(); + optionalReplicas_.set(index, builderForValue.build()); onChanged(); } else { - replicasBuilder_.addAllMessages(values); + optionalReplicasBuilder_.setMessage(index, builderForValue.build()); } return this; } @@ -3214,24 +4515,24 @@ public Builder addAllReplicas( * * * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      *
* - * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; + * + * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY]; + * */ - public Builder clearReplicas() { - if (replicasBuilder_ == null) { - replicas_ = java.util.Collections.emptyList(); - bitField0_ = (bitField0_ & ~0x00000008); + public Builder addOptionalReplicas(com.google.spanner.admin.instance.v1.ReplicaInfo value) { + if (optionalReplicasBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + ensureOptionalReplicasIsMutable(); + optionalReplicas_.add(value); onChanged(); } else { - replicasBuilder_.clear(); + optionalReplicasBuilder_.addMessage(value); } return this; } @@ -3240,24 +4541,25 @@ public Builder clearReplicas() { * * * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      *
* - * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; + * + * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY]; + * */ - public Builder removeReplicas(int index) { - if (replicasBuilder_ == null) { - ensureReplicasIsMutable(); - replicas_.remove(index); + public Builder addOptionalReplicas( + int index, com.google.spanner.admin.instance.v1.ReplicaInfo value) { + if (optionalReplicasBuilder_ == null) { + if (value == null) { + throw new NullPointerException(); + } + ensureOptionalReplicasIsMutable(); + optionalReplicas_.add(index, value); onChanged(); } else { - replicasBuilder_.remove(index); + optionalReplicasBuilder_.addMessage(index, value); } return this; } @@ -3266,164 +4568,137 @@ public Builder removeReplicas(int index) { * * * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      *
* - * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3; + * + * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY]; + * */ - public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder getReplicasBuilder(int index) { - return internalGetReplicasFieldBuilder().getBuilder(index); + public Builder addOptionalReplicas( + com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) { + if (optionalReplicasBuilder_ == null) { + ensureOptionalReplicasIsMutable(); + optionalReplicas_.add(builderForValue.build()); + onChanged(); + } else { + optionalReplicasBuilder_.addMessage(builderForValue.build()); + } + return this; } /** * * - * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * 
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      * 

      *
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+     * 
+     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder getReplicasOrBuilder(
-        int index) {
-      if (replicasBuilder_ == null) {
-        return replicas_.get(index);
+    public Builder addOptionalReplicas(
+        int index, com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) {
+      if (optionalReplicasBuilder_ == null) {
+        ensureOptionalReplicasIsMutable();
+        optionalReplicas_.add(index, builderForValue.build());
+        onChanged();
       } else {
-        return replicasBuilder_.getMessageOrBuilder(index);
+        optionalReplicasBuilder_.addMessage(index, builderForValue.build());
       }
+      return this;
     }
 
     /**
      *
      *
      * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      * 

      *
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+     * 
+     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public java.util.List
-        getReplicasOrBuilderList() {
-      if (replicasBuilder_ != null) {
-        return replicasBuilder_.getMessageOrBuilderList();
+    public Builder addAllOptionalReplicas(
+        java.lang.Iterable values) {
+      if (optionalReplicasBuilder_ == null) {
+        ensureOptionalReplicasIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, optionalReplicas_);
+        onChanged();
       } else {
-        return java.util.Collections.unmodifiableList(replicas_);
+        optionalReplicasBuilder_.addAllMessages(values);
       }
+      return this;
     }
 
     /**
      *
      *
      * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      * 

      *
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+     * 
+     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder addReplicasBuilder() {
-      return internalGetReplicasFieldBuilder()
-          .addBuilder(com.google.spanner.admin.instance.v1.ReplicaInfo.getDefaultInstance());
+    public Builder clearOptionalReplicas() {
+      if (optionalReplicasBuilder_ == null) {
+        optionalReplicas_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000010);
+        onChanged();
+      } else {
+        optionalReplicasBuilder_.clear();
+      }
+      return this;
     }
 
     /**
      *
      *
      * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      * 

      *
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+     * 
+     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder addReplicasBuilder(int index) {
-      return internalGetReplicasFieldBuilder()
-          .addBuilder(index, com.google.spanner.admin.instance.v1.ReplicaInfo.getDefaultInstance());
+    public Builder removeOptionalReplicas(int index) {
+      if (optionalReplicasBuilder_ == null) {
+        ensureOptionalReplicasIsMutable();
+        optionalReplicas_.remove(index);
+        onChanged();
+      } else {
+        optionalReplicasBuilder_.remove(index);
+      }
+      return this;
     }
 
     /**
      *
      *
      * 
-     * The geographic placement of nodes in this instance configuration and their
-     * replication properties.
-     *
-     * To create user-managed configurations, input
-     * `replicas` must include all replicas in `replicas` of the `base_config`
-     * and include one or more replicas in the `optional_replicas` of the
-     * `base_config`.
+     * Output only. The available optional replicas to choose from for
+     * user-managed configurations. Populated for Google-managed configurations.
      * 

      *
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo replicas = 3;
+     * 
+     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public java.util.List
-        getReplicasBuilderList() {
-      return internalGetReplicasFieldBuilder().getBuilderList();
-    }
-
-    private com.google.protobuf.RepeatedFieldBuilder<
-            com.google.spanner.admin.instance.v1.ReplicaInfo,
-            com.google.spanner.admin.instance.v1.ReplicaInfo.Builder,
-            com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder>
-        internalGetReplicasFieldBuilder() {
-      if (replicasBuilder_ == null) {
-        replicasBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilder<
-                com.google.spanner.admin.instance.v1.ReplicaInfo,
-                com.google.spanner.admin.instance.v1.ReplicaInfo.Builder,
-                com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder>(
-                replicas_, ((bitField0_ & 0x00000008) != 0), getParentForChildren(), isClean());
-        replicas_ = null;
-      }
-      return replicasBuilder_;
-    }
-
-    private java.util.List optionalReplicas_ =
-        java.util.Collections.emptyList();
-
-    private void ensureOptionalReplicasIsMutable() {
-      if (!((bitField0_ & 0x00000010) != 0)) {
-        optionalReplicas_ =
-            new java.util.ArrayList(
-                optionalReplicas_);
-        bitField0_ |= 0x00000010;
-      }
+    public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder getOptionalReplicasBuilder(
+        int index) {
+      return internalGetOptionalReplicasFieldBuilder().getBuilder(index);
     }
 
-    private com.google.protobuf.RepeatedFieldBuilder<
-            com.google.spanner.admin.instance.v1.ReplicaInfo,
-            com.google.spanner.admin.instance.v1.ReplicaInfo.Builder,
-            com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder>
-        optionalReplicasBuilder_;
-
     /**
      *
      *
@@ -3436,12 +4711,12 @@ private void ensureOptionalReplicasIsMutable() {
      * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
      */
-    public java.util.List
-        getOptionalReplicasList() {
+    public com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder getOptionalReplicasOrBuilder(
+        int index) {
       if (optionalReplicasBuilder_ == null) {
-        return java.util.Collections.unmodifiableList(optionalReplicas_);
+        return optionalReplicas_.get(index);
       } else {
-        return optionalReplicasBuilder_.getMessageList();
+        return optionalReplicasBuilder_.getMessageOrBuilder(index);
       }
     }
 
@@ -3457,11 +4732,12 @@ private void ensureOptionalReplicasIsMutable() {
      * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
      */
-    public int getOptionalReplicasCount() {
-      if (optionalReplicasBuilder_ == null) {
-        return optionalReplicas_.size();
+    public java.util.List
+        getOptionalReplicasOrBuilderList() {
+      if (optionalReplicasBuilder_ != null) {
+        return optionalReplicasBuilder_.getMessageOrBuilderList();
       } else {
-        return optionalReplicasBuilder_.getCount();
+        return java.util.Collections.unmodifiableList(optionalReplicas_);
       }
     }
 
@@ -3477,12 +4753,9 @@ public int getOptionalReplicasCount() {
      * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
      */
-    public com.google.spanner.admin.instance.v1.ReplicaInfo getOptionalReplicas(int index) {
-      if (optionalReplicasBuilder_ == null) {
-        return optionalReplicas_.get(index);
-      } else {
-        return optionalReplicasBuilder_.getMessage(index);
-      }
+    public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder addOptionalReplicasBuilder() {
+      return internalGetOptionalReplicasFieldBuilder()
+          .addBuilder(com.google.spanner.admin.instance.v1.ReplicaInfo.getDefaultInstance());
     }
 
     /**
@@ -3497,19 +4770,10 @@ public com.google.spanner.admin.instance.v1.ReplicaInfo getOptionalReplicas(int
      * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
      */
-    public Builder setOptionalReplicas(
-        int index, com.google.spanner.admin.instance.v1.ReplicaInfo value) {
-      if (optionalReplicasBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureOptionalReplicasIsMutable();
-        optionalReplicas_.set(index, value);
-        onChanged();
-      } else {
-        optionalReplicasBuilder_.setMessage(index, value);
-      }
-      return this;
+    public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder addOptionalReplicasBuilder(
+        int index) {
+      return internalGetOptionalReplicasFieldBuilder()
+          .addBuilder(index, com.google.spanner.admin.instance.v1.ReplicaInfo.getDefaultInstance());
     }
 
     /**
@@ -3524,68 +4788,107 @@ public Builder setOptionalReplicas(
      * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
      */
-    public Builder setOptionalReplicas(
-        int index, com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) {
+    public java.util.List
+        getOptionalReplicasBuilderList() {
+      return internalGetOptionalReplicasFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.spanner.admin.instance.v1.ReplicaInfo,
+            com.google.spanner.admin.instance.v1.ReplicaInfo.Builder,
+            com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder>
+        internalGetOptionalReplicasFieldBuilder() {
       if (optionalReplicasBuilder_ == null) {
-        ensureOptionalReplicasIsMutable();
-        optionalReplicas_.set(index, builderForValue.build());
-        onChanged();
+        optionalReplicasBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.spanner.admin.instance.v1.ReplicaInfo,
+                com.google.spanner.admin.instance.v1.ReplicaInfo.Builder,
+                com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder>(
+                optionalReplicas_,
+                ((bitField0_ & 0x00000010) != 0),
+                getParentForChildren(),
+                isClean());
+        optionalReplicas_ = null;
+      }
+      return optionalReplicasBuilder_;
+    }
+
+    private java.lang.Object baseConfig_ = "";
+
+    /**
+     *
+     *
+     * 
+     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
+     * based on which this configuration is created. Only set for user-managed
+     * configurations. `base_config` must refer to a configuration of type
+     * `GOOGLE_MANAGED` in the same project as this configuration.
+     * 

+     *
+     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     *
+     * @return The baseConfig.
+     */
+    public java.lang.String getBaseConfig() {
+      java.lang.Object ref = baseConfig_;
+      if (!(ref instanceof java.lang.String)) {
+        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        baseConfig_ = s;
+        return s;
       } else {
-        optionalReplicasBuilder_.setMessage(index, builderForValue.build());
+        return (java.lang.String) ref;
       }
-      return this;
     }
 
     /**
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
+     * based on which this configuration is created. Only set for user-managed
+     * configurations. `base_config` must refer to a configuration of type
+     * `GOOGLE_MANAGED` in the same project as this configuration.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     *
+     * @return The bytes for baseConfig.
      */
-    public Builder addOptionalReplicas(com.google.spanner.admin.instance.v1.ReplicaInfo value) {
-      if (optionalReplicasBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureOptionalReplicasIsMutable();
-        optionalReplicas_.add(value);
-        onChanged();
+    public com.google.protobuf.ByteString getBaseConfigBytes() {
+      java.lang.Object ref = baseConfig_;
+      if (ref instanceof String) {
+        com.google.protobuf.ByteString b =
+            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        baseConfig_ = b;
+        return b;
       } else {
-        optionalReplicasBuilder_.addMessage(value);
+        return (com.google.protobuf.ByteString) ref;
       }
-      return this;
     }
 
     /**
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
+     * based on which this configuration is created. Only set for user-managed
+     * configurations. `base_config` must refer to a configuration of type
+     * `GOOGLE_MANAGED` in the same project as this configuration.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     *
+     * @param value The baseConfig to set.
+     * @return This builder for chaining.
      */
-    public Builder addOptionalReplicas(
-        int index, com.google.spanner.admin.instance.v1.ReplicaInfo value) {
-      if (optionalReplicasBuilder_ == null) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
-        ensureOptionalReplicasIsMutable();
-        optionalReplicas_.add(index, value);
-        onChanged();
-      } else {
-        optionalReplicasBuilder_.addMessage(index, value);
+    public Builder setBaseConfig(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
+      baseConfig_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
       return this;
     }
 
@@ -3593,23 +4896,20 @@ public Builder addOptionalReplicas(
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
+     * based on which this configuration is created. Only set for user-managed
+     * configurations. `base_config` must refer to a configuration of type
+     * `GOOGLE_MANAGED` in the same project as this configuration.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     *
+     * @return This builder for chaining.
      */
-    public Builder addOptionalReplicas(
-        com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) {
-      if (optionalReplicasBuilder_ == null) {
-        ensureOptionalReplicasIsMutable();
-        optionalReplicas_.add(builderForValue.build());
-        onChanged();
-      } else {
-        optionalReplicasBuilder_.addMessage(builderForValue.build());
-      }
+    public Builder clearBaseConfig() {
+      baseConfig_ = getDefaultInstance().getBaseConfig();
+      bitField0_ = (bitField0_ & ~0x00000020);
+      onChanged();
       return this;
     }
 
@@ -3617,249 +4917,369 @@ public Builder addOptionalReplicas(
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
+     * based on which this configuration is created. Only set for user-managed
+     * configurations. `base_config` must refer to a configuration of type
+     * `GOOGLE_MANAGED` in the same project as this configuration.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     *
+     * @param value The bytes for baseConfig to set.
+     * @return This builder for chaining.
      */
-    public Builder addOptionalReplicas(
-        int index, com.google.spanner.admin.instance.v1.ReplicaInfo.Builder builderForValue) {
-      if (optionalReplicasBuilder_ == null) {
-        ensureOptionalReplicasIsMutable();
-        optionalReplicas_.add(index, builderForValue.build());
-        onChanged();
-      } else {
-        optionalReplicasBuilder_.addMessage(index, builderForValue.build());
+    public Builder setBaseConfigBytes(com.google.protobuf.ByteString value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
+      checkByteStringIsUtf8(value);
+      baseConfig_ = value;
+      bitField0_ |= 0x00000020;
+      onChanged();
       return this;
     }
 
+    private com.google.protobuf.MapField labels_;
+
+    private com.google.protobuf.MapField internalGetLabels() {
+      if (labels_ == null) {
+        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+      }
+      return labels_;
+    }
+
+    private com.google.protobuf.MapField
+        internalGetMutableLabels() {
+      if (labels_ == null) {
+        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
+      }
+      if (!labels_.isMutable()) {
+        labels_ = labels_.copy();
+      }
+      bitField0_ |= 0x00000040;
+      onChanged();
+      return labels_;
+    }
+
+    public int getLabelsCount() {
+      return internalGetLabels().getMap().size();
+    }
+
     /**
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
+     * resources into groups that reflect a customer's organizational needs and
+     * deployment strategies. Cloud Labels can be used to filter collections of
+     * resources. They can be used to control how resource metrics are aggregated.
+     * And they can be used as arguments to policy management rules (e.g. route,
+     * firewall, load balancing, etc.).
+     *
+     * * Label keys must be between 1 and 63 characters long and must conform to
+     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
+     * * Label values must be between 0 and 63 characters long and must conform
+     * to the regular expression `[a-z0-9_-]{0,63}`.
+     * * No more than 64 labels can be associated with a given resource.
+     *
+     * See https://goo.gl/xmQnxf for more information on and examples of labels.
+     *
+     * If you plan to use labels in your own code, please note that additional
+     * characters may be allowed in the future. Therefore, you are advised to use
+     * an internal label representation, such as JSON, which doesn't rely upon
+     * specific characters being disallowed.  For example, representing labels
+     * as the string:  name + "_" + value  would prove problematic if we were to
+     * allow "_" in a future release.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * map<string, string> labels = 8;
      */
-    public Builder addAllOptionalReplicas(
-        java.lang.Iterable values) {
-      if (optionalReplicasBuilder_ == null) {
-        ensureOptionalReplicasIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, optionalReplicas_);
-        onChanged();
-      } else {
-        optionalReplicasBuilder_.addAllMessages(values);
+    @java.lang.Override
+    public boolean containsLabels(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
-      return this;
+      return internalGetLabels().getMap().containsKey(key);
+    }
+
+    /** Use {@link #getLabelsMap()} instead. */
+    @java.lang.Override
+    @java.lang.Deprecated
+    public java.util.Map getLabels() {
+      return getLabelsMap();
     }
 
     /**
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
+     * resources into groups that reflect a customer's organizational needs and
+     * deployment strategies. Cloud Labels can be used to filter collections of
+     * resources. They can be used to control how resource metrics are aggregated.
+     * And they can be used as arguments to policy management rules (e.g. route,
+     * firewall, load balancing, etc.).
+     *
+     * * Label keys must be between 1 and 63 characters long and must conform to
+     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
+     * * Label values must be between 0 and 63 characters long and must conform
+     * to the regular expression `[a-z0-9_-]{0,63}`.
+     * * No more than 64 labels can be associated with a given resource.
+     *
+     * See https://goo.gl/xmQnxf for more information on and examples of labels.
+     *
+     * If you plan to use labels in your own code, please note that additional
+     * characters may be allowed in the future. Therefore, you are advised to use
+     * an internal label representation, such as JSON, which doesn't rely upon
+     * specific characters being disallowed.  For example, representing labels
+     * as the string:  name + "_" + value  would prove problematic if we were to
+     * allow "_" in a future release.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * map<string, string> labels = 8;
      */
-    public Builder clearOptionalReplicas() {
-      if (optionalReplicasBuilder_ == null) {
-        optionalReplicas_ = java.util.Collections.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000010);
-        onChanged();
-      } else {
-        optionalReplicasBuilder_.clear();
-      }
-      return this;
+    @java.lang.Override
+    public java.util.Map getLabelsMap() {
+      return internalGetLabels().getMap();
     }
 
     /**
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
+     * resources into groups that reflect a customer's organizational needs and
+     * deployment strategies. Cloud Labels can be used to filter collections of
+     * resources. They can be used to control how resource metrics are aggregated.
+     * And they can be used as arguments to policy management rules (e.g. route,
+     * firewall, load balancing, etc.).
+     *
+     * * Label keys must be between 1 and 63 characters long and must conform to
+     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
+     * * Label values must be between 0 and 63 characters long and must conform
+     * to the regular expression `[a-z0-9_-]{0,63}`.
+     * * No more than 64 labels can be associated with a given resource.
+     *
+     * See https://goo.gl/xmQnxf for more information on and examples of labels.
+     *
+     * If you plan to use labels in your own code, please note that additional
+     * characters may be allowed in the future. Therefore, you are advised to use
+     * an internal label representation, such as JSON, which doesn't rely upon
+     * specific characters being disallowed.  For example, representing labels
+     * as the string:  name + "_" + value  would prove problematic if we were to
+     * allow "_" in a future release.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * map<string, string> labels = 8;
      */
-    public Builder removeOptionalReplicas(int index) {
-      if (optionalReplicasBuilder_ == null) {
-        ensureOptionalReplicasIsMutable();
-        optionalReplicas_.remove(index);
-        onChanged();
-      } else {
-        optionalReplicasBuilder_.remove(index);
+    @java.lang.Override
+    public /* nullable */ java.lang.String getLabelsOrDefault(
+        java.lang.String key,
+        /* nullable */
+        java.lang.String defaultValue) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
-      return this;
+      java.util.Map map = internalGetLabels().getMap();
+      return map.containsKey(key) ? map.get(key) : defaultValue;
     }
 
     /**
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
-     * 

+     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
+     * resources into groups that reflect a customer's organizational needs and
+     * deployment strategies. Cloud Labels can be used to filter collections of
+     * resources. They can be used to control how resource metrics are aggregated.
+     * And they can be used as arguments to policy management rules (e.g. route,
+     * firewall, load balancing, etc.).
      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     */
-    public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder getOptionalReplicasBuilder(
-        int index) {
-      return internalGetOptionalReplicasFieldBuilder().getBuilder(index);
-    }
-
-    /**
+     * * Label keys must be between 1 and 63 characters long and must conform to
+     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
+     * * Label values must be between 0 and 63 characters long and must conform
+     * to the regular expression `[a-z0-9_-]{0,63}`.
+     * * No more than 64 labels can be associated with a given resource.
      *
+     * See https://goo.gl/xmQnxf for more information on and examples of labels.
      *
-     * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * If you plan to use labels in your own code, please note that additional
+     * characters may be allowed in the future. Therefore, you are advised to use
+     * an internal label representation, such as JSON, which doesn't rely upon
+     * specific characters being disallowed.  For example, representing labels
+     * as the string:  name + "_" + value  would prove problematic if we were to
+     * allow "_" in a future release.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * map<string, string> labels = 8;
      */
-    public com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder getOptionalReplicasOrBuilder(
-        int index) {
-      if (optionalReplicasBuilder_ == null) {
-        return optionalReplicas_.get(index);
-      } else {
-        return optionalReplicasBuilder_.getMessageOrBuilder(index);
+    @java.lang.Override
+    public java.lang.String getLabelsOrThrow(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      java.util.Map map = internalGetLabels().getMap();
+      if (!map.containsKey(key)) {
+        throw new java.lang.IllegalArgumentException();
       }
+      return map.get(key);
+    }
+
+    public Builder clearLabels() {
+      bitField0_ = (bitField0_ & ~0x00000040);
+      internalGetMutableLabels().getMutableMap().clear();
+      return this;
     }
 
     /**
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
+     * resources into groups that reflect a customer's organizational needs and
+     * deployment strategies. Cloud Labels can be used to filter collections of
+     * resources. They can be used to control how resource metrics are aggregated.
+     * And they can be used as arguments to policy management rules (e.g. route,
+     * firewall, load balancing, etc.).
+     *
+     * * Label keys must be between 1 and 63 characters long and must conform to
+     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
+     * * Label values must be between 0 and 63 characters long and must conform
+     * to the regular expression `[a-z0-9_-]{0,63}`.
+     * * No more than 64 labels can be associated with a given resource.
+     *
+     * See https://goo.gl/xmQnxf for more information on and examples of labels.
+     *
+     * If you plan to use labels in your own code, please note that additional
+     * characters may be allowed in the future. Therefore, you are advised to use
+     * an internal label representation, such as JSON, which doesn't rely upon
+     * specific characters being disallowed.  For example, representing labels
+     * as the string:  name + "_" + value  would prove problematic if we were to
+     * allow "_" in a future release.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * map<string, string> labels = 8;
      */
-    public java.util.List
-        getOptionalReplicasOrBuilderList() {
-      if (optionalReplicasBuilder_ != null) {
-        return optionalReplicasBuilder_.getMessageOrBuilderList();
-      } else {
-        return java.util.Collections.unmodifiableList(optionalReplicas_);
+    public Builder removeLabels(java.lang.String key) {
+      if (key == null) {
+        throw new NullPointerException("map key");
       }
+      internalGetMutableLabels().getMutableMap().remove(key);
+      return this;
+    }
+
+    /** Use alternate mutation accessors instead. */
+    @java.lang.Deprecated
+    public java.util.Map getMutableLabels() {
+      bitField0_ |= 0x00000040;
+      return internalGetMutableLabels().getMutableMap();
     }
 
     /**
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
-     * 

+     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
+     * resources into groups that reflect a customer's organizational needs and
+     * deployment strategies. Cloud Labels can be used to filter collections of
+     * resources. They can be used to control how resource metrics are aggregated.
+     * And they can be used as arguments to policy management rules (e.g. route,
+     * firewall, load balancing, etc.).
      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     */
-    public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder addOptionalReplicasBuilder() {
-      return internalGetOptionalReplicasFieldBuilder()
-          .addBuilder(com.google.spanner.admin.instance.v1.ReplicaInfo.getDefaultInstance());
-    }
-
-    /**
+     * * Label keys must be between 1 and 63 characters long and must conform to
+     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
+     * * Label values must be between 0 and 63 characters long and must conform
+     * to the regular expression `[a-z0-9_-]{0,63}`.
+     * * No more than 64 labels can be associated with a given resource.
      *
+     * See https://goo.gl/xmQnxf for more information on and examples of labels.
      *
-     * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * If you plan to use labels in your own code, please note that additional
+     * characters may be allowed in the future. Therefore, you are advised to use
+     * an internal label representation, such as JSON, which doesn't rely upon
+     * specific characters being disallowed.  For example, representing labels
+     * as the string:  name + "_" + value  would prove problematic if we were to
+     * allow "_" in a future release.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * map<string, string> labels = 8;
      */
-    public com.google.spanner.admin.instance.v1.ReplicaInfo.Builder addOptionalReplicasBuilder(
-        int index) {
-      return internalGetOptionalReplicasFieldBuilder()
-          .addBuilder(index, com.google.spanner.admin.instance.v1.ReplicaInfo.getDefaultInstance());
+    public Builder putLabels(java.lang.String key, java.lang.String value) {
+      if (key == null) {
+        throw new NullPointerException("map key");
+      }
+      if (value == null) {
+        throw new NullPointerException("map value");
+      }
+      internalGetMutableLabels().getMutableMap().put(key, value);
+      bitField0_ |= 0x00000040;
+      return this;
     }
 
     /**
      *
      *
      * 
-     * Output only. The available optional replicas to choose from for
-     * user-managed configurations. Populated for Google-managed configurations.
+     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
+     * resources into groups that reflect a customer's organizational needs and
+     * deployment strategies. Cloud Labels can be used to filter collections of
+     * resources. They can be used to control how resource metrics are aggregated.
+     * And they can be used as arguments to policy management rules (e.g. route,
+     * firewall, load balancing, etc.).
+     *
+     * * Label keys must be between 1 and 63 characters long and must conform to
+     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
+     * * Label values must be between 0 and 63 characters long and must conform
+     * to the regular expression `[a-z0-9_-]{0,63}`.
+     * * No more than 64 labels can be associated with a given resource.
+     *
+     * See https://goo.gl/xmQnxf for more information on and examples of labels.
+     *
+     * If you plan to use labels in your own code, please note that additional
+     * characters may be allowed in the future. Therefore, you are advised to use
+     * an internal label representation, such as JSON, which doesn't rely upon
+     * specific characters being disallowed.  For example, representing labels
+     * as the string:  name + "_" + value  would prove problematic if we were to
+     * allow "_" in a future release.
      * 

      *
-     * 
-     * repeated .google.spanner.admin.instance.v1.ReplicaInfo optional_replicas = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * map<string, string> labels = 8;
      */
-    public java.util.List
-        getOptionalReplicasBuilderList() {
-      return internalGetOptionalReplicasFieldBuilder().getBuilderList();
-    }
-
-    private com.google.protobuf.RepeatedFieldBuilder<
-            com.google.spanner.admin.instance.v1.ReplicaInfo,
-            com.google.spanner.admin.instance.v1.ReplicaInfo.Builder,
-            com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder>
-        internalGetOptionalReplicasFieldBuilder() {
-      if (optionalReplicasBuilder_ == null) {
-        optionalReplicasBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilder<
-                com.google.spanner.admin.instance.v1.ReplicaInfo,
-                com.google.spanner.admin.instance.v1.ReplicaInfo.Builder,
-                com.google.spanner.admin.instance.v1.ReplicaInfoOrBuilder>(
-                optionalReplicas_,
-                ((bitField0_ & 0x00000010) != 0),
-                getParentForChildren(),
-                isClean());
-        optionalReplicas_ = null;
-      }
-      return optionalReplicasBuilder_;
+    public Builder putAllLabels(java.util.Map values) {
+      internalGetMutableLabels().getMutableMap().putAll(values);
+      bitField0_ |= 0x00000040;
+      return this;
     }
 
-    private java.lang.Object baseConfig_ = "";
+    private java.lang.Object etag_ = "";
 
     /**
      *
      *
      * 
-     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
-     * based on which this configuration is created. Only set for user-managed
-     * configurations. `base_config` must refer to a configuration of type
-     * `GOOGLE_MANAGED` in the same project as this configuration.
+     * etag is used for optimistic concurrency control as a way
+     * to help prevent simultaneous updates of a instance configuration from
+     * overwriting each other. It is strongly suggested that systems make use of
+     * the etag in the read-modify-write cycle to perform instance configuration
+     * updates in order to avoid race conditions: An etag is returned in the
+     * response which contains instance configurations, and systems are expected
+     * to put that etag in the request to update instance configuration to ensure
+     * that their change is applied to the same version of the instance
+     * configuration. If no etag is provided in the call to update the instance
+     * configuration, then the existing instance configuration is overwritten
+     * blindly.
      * 

      *
-     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     * string etag = 9;
      *
-     * @return The baseConfig.
+     * @return The etag.
      */
-    public java.lang.String getBaseConfig() {
-      java.lang.Object ref = baseConfig_;
+    public java.lang.String getEtag() {
+      java.lang.Object ref = etag_;
       if (!(ref instanceof java.lang.String)) {
         com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
-        baseConfig_ = s;
+        etag_ = s;
         return s;
       } else {
         return (java.lang.String) ref;
@@ -3870,22 +5290,29 @@ public java.lang.String getBaseConfig() {
      *
      *
      * 
-     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
-     * based on which this configuration is created. Only set for user-managed
-     * configurations. `base_config` must refer to a configuration of type
-     * `GOOGLE_MANAGED` in the same project as this configuration.
+     * etag is used for optimistic concurrency control as a way
+     * to help prevent simultaneous updates of a instance configuration from
+     * overwriting each other. It is strongly suggested that systems make use of
+     * the etag in the read-modify-write cycle to perform instance configuration
+     * updates in order to avoid race conditions: An etag is returned in the
+     * response which contains instance configurations, and systems are expected
+     * to put that etag in the request to update instance configuration to ensure
+     * that their change is applied to the same version of the instance
+     * configuration. If no etag is provided in the call to update the instance
+     * configuration, then the existing instance configuration is overwritten
+     * blindly.
      * 

      *
-     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     * string etag = 9;
      *
-     * @return The bytes for baseConfig.
+     * @return The bytes for etag.
      */
-    public com.google.protobuf.ByteString getBaseConfigBytes() {
-      java.lang.Object ref = baseConfig_;
+    public com.google.protobuf.ByteString getEtagBytes() {
+      java.lang.Object ref = etag_;
       if (ref instanceof String) {
         com.google.protobuf.ByteString b =
             com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        baseConfig_ = b;
+        etag_ = b;
         return b;
       } else {
         return (com.google.protobuf.ByteString) ref;
@@ -3896,23 +5323,30 @@ public com.google.protobuf.ByteString getBaseConfigBytes() {
      *
      *
      * 
-     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
-     * based on which this configuration is created. Only set for user-managed
-     * configurations. `base_config` must refer to a configuration of type
-     * `GOOGLE_MANAGED` in the same project as this configuration.
+     * etag is used for optimistic concurrency control as a way
+     * to help prevent simultaneous updates of a instance configuration from
+     * overwriting each other. It is strongly suggested that systems make use of
+     * the etag in the read-modify-write cycle to perform instance configuration
+     * updates in order to avoid race conditions: An etag is returned in the
+     * response which contains instance configurations, and systems are expected
+     * to put that etag in the request to update instance configuration to ensure
+     * that their change is applied to the same version of the instance
+     * configuration. If no etag is provided in the call to update the instance
+     * configuration, then the existing instance configuration is overwritten
+     * blindly.
      * 

      *
-     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     * string etag = 9;
      *
-     * @param value The baseConfig to set.
+     * @param value The etag to set.
      * @return This builder for chaining.
      */
-    public Builder setBaseConfig(java.lang.String value) {
+    public Builder setEtag(java.lang.String value) {
       if (value == null) {
         throw new NullPointerException();
       }
-      baseConfig_ = value;
-      bitField0_ |= 0x00000020;
+      etag_ = value;
+      bitField0_ |= 0x00000080;
       onChanged();
       return this;
     }
@@ -3921,19 +5355,26 @@ public Builder setBaseConfig(java.lang.String value) {
      *
      *
      * 
-     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
-     * based on which this configuration is created. Only set for user-managed
-     * configurations. `base_config` must refer to a configuration of type
-     * `GOOGLE_MANAGED` in the same project as this configuration.
+     * etag is used for optimistic concurrency control as a way
+     * to help prevent simultaneous updates of a instance configuration from
+     * overwriting each other. It is strongly suggested that systems make use of
+     * the etag in the read-modify-write cycle to perform instance configuration
+     * updates in order to avoid race conditions: An etag is returned in the
+     * response which contains instance configurations, and systems are expected
+     * to put that etag in the request to update instance configuration to ensure
+     * that their change is applied to the same version of the instance
+     * configuration. If no etag is provided in the call to update the instance
+     * configuration, then the existing instance configuration is overwritten
+     * blindly.
      * 

      *
-     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     * string etag = 9;
      *
      * @return This builder for chaining.
      */
-    public Builder clearBaseConfig() {
-      baseConfig_ = getDefaultInstance().getBaseConfig();
-      bitField0_ = (bitField0_ & ~0x00000020);
+    public Builder clearEtag() {
+      etag_ = getDefaultInstance().getEtag();
+      bitField0_ = (bitField0_ & ~0x00000080);
       onChanged();
       return this;
     }
@@ -3942,217 +5383,158 @@ public Builder clearBaseConfig() {
      *
      *
      * 
-     * Base configuration name, e.g. projects/<project_name>/instanceConfigs/nam3,
-     * based on which this configuration is created. Only set for user-managed
-     * configurations. `base_config` must refer to a configuration of type
-     * `GOOGLE_MANAGED` in the same project as this configuration.
+     * etag is used for optimistic concurrency control as a way
+     * to help prevent simultaneous updates of a instance configuration from
+     * overwriting each other. It is strongly suggested that systems make use of
+     * the etag in the read-modify-write cycle to perform instance configuration
+     * updates in order to avoid race conditions: An etag is returned in the
+     * response which contains instance configurations, and systems are expected
+     * to put that etag in the request to update instance configuration to ensure
+     * that their change is applied to the same version of the instance
+     * configuration. If no etag is provided in the call to update the instance
+     * configuration, then the existing instance configuration is overwritten
+     * blindly.
      * 

      *
-     * string base_config = 7 [(.google.api.resource_reference) = { ... }
+     * string etag = 9;
      *
-     * @param value The bytes for baseConfig to set.
+     * @param value The bytes for etag to set.
      * @return This builder for chaining.
      */
-    public Builder setBaseConfigBytes(com.google.protobuf.ByteString value) {
+    public Builder setEtagBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
         throw new NullPointerException();
       }
       checkByteStringIsUtf8(value);
-      baseConfig_ = value;
-      bitField0_ |= 0x00000020;
+      etag_ = value;
+      bitField0_ |= 0x00000080;
       onChanged();
       return this;
     }
 
-    private com.google.protobuf.MapField labels_;
-
-    private com.google.protobuf.MapField internalGetLabels() {
-      if (labels_ == null) {
-        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
-      }
-      return labels_;
-    }
+    private com.google.protobuf.LazyStringArrayList leaderOptions_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
 
-    private com.google.protobuf.MapField
-        internalGetMutableLabels() {
-      if (labels_ == null) {
-        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
-      }
-      if (!labels_.isMutable()) {
-        labels_ = labels_.copy();
+    private void ensureLeaderOptionsIsMutable() {
+      if (!leaderOptions_.isModifiable()) {
+        leaderOptions_ = new com.google.protobuf.LazyStringArrayList(leaderOptions_);
       }
-      bitField0_ |= 0x00000040;
-      onChanged();
-      return labels_;
-    }
-
-    public int getLabelsCount() {
-      return internalGetLabels().getMap().size();
+      bitField0_ |= 0x00000100;
     }
 
     /**
      *
      *
      * 
-     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
-     * resources into groups that reflect a customer's organizational needs and
-     * deployment strategies. Cloud Labels can be used to filter collections of
-     * resources. They can be used to control how resource metrics are aggregated.
-     * And they can be used as arguments to policy management rules (e.g. route,
-     * firewall, load balancing, etc.).
-     *
-     * * Label keys must be between 1 and 63 characters long and must conform to
-     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
-     * * Label values must be between 0 and 63 characters long and must conform
-     * to the regular expression `[a-z0-9_-]{0,63}`.
-     * * No more than 64 labels can be associated with a given resource.
-     *
-     * See https://goo.gl/xmQnxf for more information on and examples of labels.
-     *
-     * If you plan to use labels in your own code, please note that additional
-     * characters may be allowed in the future. Therefore, you are advised to use
-     * an internal label representation, such as JSON, which doesn't rely upon
-     * specific characters being disallowed.  For example, representing labels
-     * as the string:  name + "_" + value  would prove problematic if we were to
-     * allow "_" in a future release.
+     * Allowed values of the "default_leader" schema option for databases in
+     * instances that use this instance configuration.
      * 

      *
-     * map<string, string> labels = 8;
+     * repeated string leader_options = 4;
+     *
+     * @return A list containing the leaderOptions.
      */
-    @java.lang.Override
-    public boolean containsLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      return internalGetLabels().getMap().containsKey(key);
-    }
-
-    /** Use {@link #getLabelsMap()} instead. */
-    @java.lang.Override
-    @java.lang.Deprecated
-    public java.util.Map getLabels() {
-      return getLabelsMap();
+    public com.google.protobuf.ProtocolStringList getLeaderOptionsList() {
+      leaderOptions_.makeImmutable();
+      return leaderOptions_;
     }
 
     /**
      *
      *
      * 
-     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
-     * resources into groups that reflect a customer's organizational needs and
-     * deployment strategies. Cloud Labels can be used to filter collections of
-     * resources. They can be used to control how resource metrics are aggregated.
-     * And they can be used as arguments to policy management rules (e.g. route,
-     * firewall, load balancing, etc.).
+     * Allowed values of the "default_leader" schema option for databases in
+     * instances that use this instance configuration.
+     * 

      *
-     * * Label keys must be between 1 and 63 characters long and must conform to
-     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
-     * * Label values must be between 0 and 63 characters long and must conform
-     * to the regular expression `[a-z0-9_-]{0,63}`.
-     * * No more than 64 labels can be associated with a given resource.
+     * repeated string leader_options = 4;
      *
-     * See https://goo.gl/xmQnxf for more information on and examples of labels.
+     * @return The count of leaderOptions.
+     */
+    public int getLeaderOptionsCount() {
+      return leaderOptions_.size();
+    }
+
+    /**
      *
-     * If you plan to use labels in your own code, please note that additional
-     * characters may be allowed in the future. Therefore, you are advised to use
-     * an internal label representation, such as JSON, which doesn't rely upon
-     * specific characters being disallowed.  For example, representing labels
-     * as the string:  name + "_" + value  would prove problematic if we were to
-     * allow "_" in a future release.
+     *
+     * 
+     * Allowed values of the "default_leader" schema option for databases in
+     * instances that use this instance configuration.
      * 

      *
-     * map<string, string> labels = 8;
+     * repeated string leader_options = 4;
+     *
+     * @param index The index of the element to return.
+     * @return The leaderOptions at the given index.
      */
-    @java.lang.Override
-    public java.util.Map getLabelsMap() {
-      return internalGetLabels().getMap();
+    public java.lang.String getLeaderOptions(int index) {
+      return leaderOptions_.get(index);
     }
 
     /**
      *
      *
      * 
-     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
-     * resources into groups that reflect a customer's organizational needs and
-     * deployment strategies. Cloud Labels can be used to filter collections of
-     * resources. They can be used to control how resource metrics are aggregated.
-     * And they can be used as arguments to policy management rules (e.g. route,
-     * firewall, load balancing, etc.).
+     * Allowed values of the "default_leader" schema option for databases in
+     * instances that use this instance configuration.
+     * 

      *
-     * * Label keys must be between 1 and 63 characters long and must conform to
-     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
-     * * Label values must be between 0 and 63 characters long and must conform
-     * to the regular expression `[a-z0-9_-]{0,63}`.
-     * * No more than 64 labels can be associated with a given resource.
+     * repeated string leader_options = 4;
      *
-     * See https://goo.gl/xmQnxf for more information on and examples of labels.
+     * @param index The index of the value to return.
+     * @return The bytes of the leaderOptions at the given index.
+     */
+    public com.google.protobuf.ByteString getLeaderOptionsBytes(int index) {
+      return leaderOptions_.getByteString(index);
+    }
+
+    /**
      *
-     * If you plan to use labels in your own code, please note that additional
-     * characters may be allowed in the future. Therefore, you are advised to use
-     * an internal label representation, such as JSON, which doesn't rely upon
-     * specific characters being disallowed.  For example, representing labels
-     * as the string:  name + "_" + value  would prove problematic if we were to
-     * allow "_" in a future release.
+     *
+     * 
+     * Allowed values of the "default_leader" schema option for databases in
+     * instances that use this instance configuration.
      * 

      *
-     * map<string, string> labels = 8;
+     * repeated string leader_options = 4;
+     *
+     * @param index The index to set the value at.
+     * @param value The leaderOptions to set.
+     * @return This builder for chaining.
      */
-    @java.lang.Override
-    public /* nullable */ java.lang.String getLabelsOrDefault(
-        java.lang.String key,
-        /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
+    public Builder setLeaderOptions(int index, java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
-      java.util.Map map = internalGetLabels().getMap();
-      return map.containsKey(key) ? map.get(key) : defaultValue;
+      ensureLeaderOptionsIsMutable();
+      leaderOptions_.set(index, value);
+      bitField0_ |= 0x00000100;
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * 
-     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
-     * resources into groups that reflect a customer's organizational needs and
-     * deployment strategies. Cloud Labels can be used to filter collections of
-     * resources. They can be used to control how resource metrics are aggregated.
-     * And they can be used as arguments to policy management rules (e.g. route,
-     * firewall, load balancing, etc.).
-     *
-     * * Label keys must be between 1 and 63 characters long and must conform to
-     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
-     * * Label values must be between 0 and 63 characters long and must conform
-     * to the regular expression `[a-z0-9_-]{0,63}`.
-     * * No more than 64 labels can be associated with a given resource.
-     *
-     * See https://goo.gl/xmQnxf for more information on and examples of labels.
-     *
-     * If you plan to use labels in your own code, please note that additional
-     * characters may be allowed in the future. Therefore, you are advised to use
-     * an internal label representation, such as JSON, which doesn't rely upon
-     * specific characters being disallowed.  For example, representing labels
-     * as the string:  name + "_" + value  would prove problematic if we were to
-     * allow "_" in a future release.
+     * Allowed values of the "default_leader" schema option for databases in
+     * instances that use this instance configuration.
      * 

      *
-     * map<string, string> labels = 8;
+     * repeated string leader_options = 4;
+     *
+     * @param value The leaderOptions to add.
+     * @return This builder for chaining.
      */
-    @java.lang.Override
-    public java.lang.String getLabelsOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetLabels().getMap();
-      if (!map.containsKey(key)) {
-        throw new java.lang.IllegalArgumentException();
+    public Builder addLeaderOptions(java.lang.String value) {
+      if (value == null) {
+        throw new NullPointerException();
       }
-      return map.get(key);
-    }
-
-    public Builder clearLabels() {
-      bitField0_ = (bitField0_ & ~0x00000040);
-      internalGetMutableLabels().getMutableMap().clear();
+      ensureLeaderOptionsIsMutable();
+      leaderOptions_.add(value);
+      bitField0_ |= 0x00000100;
+      onChanged();
       return this;
     }
 
@@ -4160,218 +5542,169 @@ public Builder clearLabels() {
      *
      *
      * 
-     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
-     * resources into groups that reflect a customer's organizational needs and
-     * deployment strategies. Cloud Labels can be used to filter collections of
-     * resources. They can be used to control how resource metrics are aggregated.
-     * And they can be used as arguments to policy management rules (e.g. route,
-     * firewall, load balancing, etc.).
-     *
-     * * Label keys must be between 1 and 63 characters long and must conform to
-     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
-     * * Label values must be between 0 and 63 characters long and must conform
-     * to the regular expression `[a-z0-9_-]{0,63}`.
-     * * No more than 64 labels can be associated with a given resource.
-     *
-     * See https://goo.gl/xmQnxf for more information on and examples of labels.
-     *
-     * If you plan to use labels in your own code, please note that additional
-     * characters may be allowed in the future. Therefore, you are advised to use
-     * an internal label representation, such as JSON, which doesn't rely upon
-     * specific characters being disallowed.  For example, representing labels
-     * as the string:  name + "_" + value  would prove problematic if we were to
-     * allow "_" in a future release.
+     * Allowed values of the "default_leader" schema option for databases in
+     * instances that use this instance configuration.
      * 

      *
-     * map<string, string> labels = 8;
+     * repeated string leader_options = 4;
+     *
+     * @param values The leaderOptions to add.
+     * @return This builder for chaining.
      */
-    public Builder removeLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      internalGetMutableLabels().getMutableMap().remove(key);
+    public Builder addAllLeaderOptions(java.lang.Iterable values) {
+      ensureLeaderOptionsIsMutable();
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, leaderOptions_);
+      bitField0_ |= 0x00000100;
+      onChanged();
       return this;
     }
 
-    /** Use alternate mutation accessors instead. */
-    @java.lang.Deprecated
-    public java.util.Map getMutableLabels() {
-      bitField0_ |= 0x00000040;
-      return internalGetMutableLabels().getMutableMap();
-    }
-
     /**
      *
      *
      * 
-     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
-     * resources into groups that reflect a customer's organizational needs and
-     * deployment strategies. Cloud Labels can be used to filter collections of
-     * resources. They can be used to control how resource metrics are aggregated.
-     * And they can be used as arguments to policy management rules (e.g. route,
-     * firewall, load balancing, etc.).
+     * Allowed values of the "default_leader" schema option for databases in
+     * instances that use this instance configuration.
+     * 

      *
-     * * Label keys must be between 1 and 63 characters long and must conform to
-     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
-     * * Label values must be between 0 and 63 characters long and must conform
-     * to the regular expression `[a-z0-9_-]{0,63}`.
-     * * No more than 64 labels can be associated with a given resource.
+     * repeated string leader_options = 4;
      *
-     * See https://goo.gl/xmQnxf for more information on and examples of labels.
+     * @return This builder for chaining.
+     */
+    public Builder clearLeaderOptions() {
+      leaderOptions_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000100);
+      ;
+      onChanged();
+      return this;
+    }
+
+    /**
      *
-     * If you plan to use labels in your own code, please note that additional
-     * characters may be allowed in the future. Therefore, you are advised to use
-     * an internal label representation, such as JSON, which doesn't rely upon
-     * specific characters being disallowed.  For example, representing labels
-     * as the string:  name + "_" + value  would prove problematic if we were to
-     * allow "_" in a future release.
+     *
+     * 
+     * Allowed values of the "default_leader" schema option for databases in
+     * instances that use this instance configuration.
      * 

      *
-     * map<string, string> labels = 8;
+     * repeated string leader_options = 4;
+     *
+     * @param value The bytes of the leaderOptions to add.
+     * @return This builder for chaining.
      */
-    public Builder putLabels(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
+    public Builder addLeaderOptionsBytes(com.google.protobuf.ByteString value) {
       if (value == null) {
-        throw new NullPointerException("map value");
+        throw new NullPointerException();
       }
-      internalGetMutableLabels().getMutableMap().put(key, value);
-      bitField0_ |= 0x00000040;
+      checkByteStringIsUtf8(value);
+      ensureLeaderOptionsIsMutable();
+      leaderOptions_.add(value);
+      bitField0_ |= 0x00000100;
+      onChanged();
       return this;
     }
 
+    private boolean reconciling_;
+
     /**
      *
      *
      * 
-     * Cloud Labels are a flexible and lightweight mechanism for organizing cloud
-     * resources into groups that reflect a customer's organizational needs and
-     * deployment strategies. Cloud Labels can be used to filter collections of
-     * resources. They can be used to control how resource metrics are aggregated.
-     * And they can be used as arguments to policy management rules (e.g. route,
-     * firewall, load balancing, etc.).
+     * Output only. If true, the instance configuration is being created or
+     * updated. If false, there are no ongoing operations for the instance
+     * configuration.
+     * 

      *
-     * * Label keys must be between 1 and 63 characters long and must conform to
-     * the following regular expression: `[a-z][a-z0-9_-]{0,62}`.
-     * * Label values must be between 0 and 63 characters long and must conform
-     * to the regular expression `[a-z0-9_-]{0,63}`.
-     * * No more than 64 labels can be associated with a given resource.
+     * bool reconciling = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
      *
-     * See https://goo.gl/xmQnxf for more information on and examples of labels.
+     * @return The reconciling.
+     */
+    @java.lang.Override
+    public boolean getReconciling() {
+      return reconciling_;
+    }
+
+    /**
      *
-     * If you plan to use labels in your own code, please note that additional
-     * characters may be allowed in the future. Therefore, you are advised to use
-     * an internal label representation, such as JSON, which doesn't rely upon
-     * specific characters being disallowed.  For example, representing labels
-     * as the string:  name + "_" + value  would prove problematic if we were to
-     * allow "_" in a future release.
+     *
+     * 
+     * Output only. If true, the instance configuration is being created or
+     * updated. If false, there are no ongoing operations for the instance
+     * configuration.
      * 

      *
-     * map<string, string> labels = 8;
+     * bool reconciling = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     *
+     * @param value The reconciling to set.
+     * @return This builder for chaining.
      */
-    public Builder putAllLabels(java.util.Map values) {
-      internalGetMutableLabels().getMutableMap().putAll(values);
-      bitField0_ |= 0x00000040;
+    public Builder setReconciling(boolean value) {
+
+      reconciling_ = value;
+      bitField0_ |= 0x00000200;
+      onChanged();
       return this;
     }
 
-    private java.lang.Object etag_ = "";
-
     /**
      *
      *
      * 
-     * etag is used for optimistic concurrency control as a way
-     * to help prevent simultaneous updates of a instance configuration from
-     * overwriting each other. It is strongly suggested that systems make use of
-     * the etag in the read-modify-write cycle to perform instance configuration
-     * updates in order to avoid race conditions: An etag is returned in the
-     * response which contains instance configurations, and systems are expected
-     * to put that etag in the request to update instance configuration to ensure
-     * that their change is applied to the same version of the instance
-     * configuration. If no etag is provided in the call to update the instance
-     * configuration, then the existing instance configuration is overwritten
-     * blindly.
+     * Output only. If true, the instance configuration is being created or
+     * updated. If false, there are no ongoing operations for the instance
+     * configuration.
      * 

      *
-     * string etag = 9;
+     * bool reconciling = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
      *
-     * @return The etag.
+     * @return This builder for chaining.
      */
-    public java.lang.String getEtag() {
-      java.lang.Object ref = etag_;
-      if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
-        java.lang.String s = bs.toStringUtf8();
-        etag_ = s;
-        return s;
-      } else {
-        return (java.lang.String) ref;
-      }
+    public Builder clearReconciling() {
+      bitField0_ = (bitField0_ & ~0x00000200);
+      reconciling_ = false;
+      onChanged();
+      return this;
     }
 
+    private int state_ = 0;
+
     /**
      *
      *
      * 
-     * etag is used for optimistic concurrency control as a way
-     * to help prevent simultaneous updates of a instance configuration from
-     * overwriting each other. It is strongly suggested that systems make use of
-     * the etag in the read-modify-write cycle to perform instance configuration
-     * updates in order to avoid race conditions: An etag is returned in the
-     * response which contains instance configurations, and systems are expected
-     * to put that etag in the request to update instance configuration to ensure
-     * that their change is applied to the same version of the instance
-     * configuration. If no etag is provided in the call to update the instance
-     * configuration, then the existing instance configuration is overwritten
-     * blindly.
+     * Output only. The current instance configuration state. Applicable only for
+     * `USER_MANAGED` configurations.
      * 

      *
-     * string etag = 9;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @return The bytes for etag.
+     * @return The enum numeric value on the wire for state.
      */
-    public com.google.protobuf.ByteString getEtagBytes() {
-      java.lang.Object ref = etag_;
-      if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
-        etag_ = b;
-        return b;
-      } else {
-        return (com.google.protobuf.ByteString) ref;
-      }
+    @java.lang.Override
+    public int getStateValue() {
+      return state_;
     }
 
     /**
      *
      *
      * 
-     * etag is used for optimistic concurrency control as a way
-     * to help prevent simultaneous updates of a instance configuration from
-     * overwriting each other. It is strongly suggested that systems make use of
-     * the etag in the read-modify-write cycle to perform instance configuration
-     * updates in order to avoid race conditions: An etag is returned in the
-     * response which contains instance configurations, and systems are expected
-     * to put that etag in the request to update instance configuration to ensure
-     * that their change is applied to the same version of the instance
-     * configuration. If no etag is provided in the call to update the instance
-     * configuration, then the existing instance configuration is overwritten
-     * blindly.
+     * Output only. The current instance configuration state. Applicable only for
+     * `USER_MANAGED` configurations.
      * 

      *
-     * string etag = 9;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @param value The etag to set.
+     * @param value The enum numeric value on the wire for state to set.
      * @return This builder for chaining.
      */
-    public Builder setEtag(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      etag_ = value;
-      bitField0_ |= 0x00000080;
+    public Builder setStateValue(int value) {
+      state_ = value;
+      bitField0_ |= 0x00000400;
       onChanged();
       return this;
     }
@@ -4380,161 +5713,162 @@ public Builder setEtag(java.lang.String value) {
      *
      *
      * 
-     * etag is used for optimistic concurrency control as a way
-     * to help prevent simultaneous updates of a instance configuration from
-     * overwriting each other. It is strongly suggested that systems make use of
-     * the etag in the read-modify-write cycle to perform instance configuration
-     * updates in order to avoid race conditions: An etag is returned in the
-     * response which contains instance configurations, and systems are expected
-     * to put that etag in the request to update instance configuration to ensure
-     * that their change is applied to the same version of the instance
-     * configuration. If no etag is provided in the call to update the instance
-     * configuration, then the existing instance configuration is overwritten
-     * blindly.
+     * Output only. The current instance configuration state. Applicable only for
+     * `USER_MANAGED` configurations.
      * 

      *
-     * string etag = 9;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @return This builder for chaining.
+     * @return The state.
      */
-    public Builder clearEtag() {
-      etag_ = getDefaultInstance().getEtag();
-      bitField0_ = (bitField0_ & ~0x00000080);
-      onChanged();
-      return this;
+    @java.lang.Override
+    public com.google.spanner.admin.instance.v1.InstanceConfig.State getState() {
+      com.google.spanner.admin.instance.v1.InstanceConfig.State result =
+          com.google.spanner.admin.instance.v1.InstanceConfig.State.forNumber(state_);
+      return result == null
+          ? com.google.spanner.admin.instance.v1.InstanceConfig.State.UNRECOGNIZED
+          : result;
     }
 
     /**
      *
      *
      * 
-     * etag is used for optimistic concurrency control as a way
-     * to help prevent simultaneous updates of a instance configuration from
-     * overwriting each other. It is strongly suggested that systems make use of
-     * the etag in the read-modify-write cycle to perform instance configuration
-     * updates in order to avoid race conditions: An etag is returned in the
-     * response which contains instance configurations, and systems are expected
-     * to put that etag in the request to update instance configuration to ensure
-     * that their change is applied to the same version of the instance
-     * configuration. If no etag is provided in the call to update the instance
-     * configuration, then the existing instance configuration is overwritten
-     * blindly.
+     * Output only. The current instance configuration state. Applicable only for
+     * `USER_MANAGED` configurations.
      * 

      *
-     * string etag = 9;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @param value The bytes for etag to set.
+     * @param value The state to set.
      * @return This builder for chaining.
      */
-    public Builder setEtagBytes(com.google.protobuf.ByteString value) {
+    public Builder setState(com.google.spanner.admin.instance.v1.InstanceConfig.State value) {
       if (value == null) {
         throw new NullPointerException();
       }
-      checkByteStringIsUtf8(value);
-      etag_ = value;
-      bitField0_ |= 0x00000080;
+      bitField0_ |= 0x00000400;
+      state_ = value.getNumber();
       onChanged();
       return this;
     }
 
-    private com.google.protobuf.LazyStringArrayList leaderOptions_ =
-        com.google.protobuf.LazyStringArrayList.emptyList();
-
-    private void ensureLeaderOptionsIsMutable() {
-      if (!leaderOptions_.isModifiable()) {
-        leaderOptions_ = new com.google.protobuf.LazyStringArrayList(leaderOptions_);
-      }
-      bitField0_ |= 0x00000100;
-    }
-
     /**
      *
      *
      * 
-     * Allowed values of the "default_leader" schema option for databases in
-     * instances that use this instance configuration.
+     * Output only. The current instance configuration state. Applicable only for
+     * `USER_MANAGED` configurations.
      * 

      *
-     * repeated string leader_options = 4;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @return A list containing the leaderOptions.
+     * @return This builder for chaining.
      */
-    public com.google.protobuf.ProtocolStringList getLeaderOptionsList() {
-      leaderOptions_.makeImmutable();
-      return leaderOptions_;
+    public Builder clearState() {
+      bitField0_ = (bitField0_ & ~0x00000400);
+      state_ = 0;
+      onChanged();
+      return this;
     }
 
+    private int freeInstanceAvailability_ = 0;
+
     /**
      *
      *
      * 
-     * Allowed values of the "default_leader" schema option for databases in
-     * instances that use this instance configuration.
+     * Output only. Describes whether free instances are available to be created
+     * in this instance configuration.
      * 

      *
-     * repeated string leader_options = 4;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @return The count of leaderOptions.
+     * @return The enum numeric value on the wire for freeInstanceAvailability.
      */
-    public int getLeaderOptionsCount() {
-      return leaderOptions_.size();
+    @java.lang.Override
+    public int getFreeInstanceAvailabilityValue() {
+      return freeInstanceAvailability_;
     }
 
     /**
      *
      *
      * 
-     * Allowed values of the "default_leader" schema option for databases in
-     * instances that use this instance configuration.
+     * Output only. Describes whether free instances are available to be created
+     * in this instance configuration.
      * 

      *
-     * repeated string leader_options = 4;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @param index The index of the element to return.
-     * @return The leaderOptions at the given index.
+     * @param value The enum numeric value on the wire for freeInstanceAvailability to set.
+     * @return This builder for chaining.
      */
-    public java.lang.String getLeaderOptions(int index) {
-      return leaderOptions_.get(index);
+    public Builder setFreeInstanceAvailabilityValue(int value) {
+      freeInstanceAvailability_ = value;
+      bitField0_ |= 0x00000800;
+      onChanged();
+      return this;
     }
 
     /**
      *
      *
      * 
-     * Allowed values of the "default_leader" schema option for databases in
-     * instances that use this instance configuration.
+     * Output only. Describes whether free instances are available to be created
+     * in this instance configuration.
      * 

      *
-     * repeated string leader_options = 4;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @param index The index of the value to return.
-     * @return The bytes of the leaderOptions at the given index.
+     * @return The freeInstanceAvailability.
      */
-    public com.google.protobuf.ByteString getLeaderOptionsBytes(int index) {
-      return leaderOptions_.getByteString(index);
+    @java.lang.Override
+    public com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability
+        getFreeInstanceAvailability() {
+      com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability result =
+          com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability.forNumber(
+              freeInstanceAvailability_);
+      return result == null
+          ? com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability
+              .UNRECOGNIZED
+          : result;
     }
 
     /**
      *
      *
      * 
-     * Allowed values of the "default_leader" schema option for databases in
-     * instances that use this instance configuration.
+     * Output only. Describes whether free instances are available to be created
+     * in this instance configuration.
      * 

      *
-     * repeated string leader_options = 4;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @param index The index to set the value at.
-     * @param value The leaderOptions to set.
+     * @param value The freeInstanceAvailability to set.
      * @return This builder for chaining.
      */
-    public Builder setLeaderOptions(int index, java.lang.String value) {
+    public Builder setFreeInstanceAvailability(
+        com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability value) {
       if (value == null) {
         throw new NullPointerException();
       }
-      ensureLeaderOptionsIsMutable();
-      leaderOptions_.set(index, value);
-      bitField0_ |= 0x00000100;
+      bitField0_ |= 0x00000800;
+      freeInstanceAvailability_ = value.getNumber();
       onChanged();
       return this;
     }
@@ -4543,64 +5877,167 @@ public Builder setLeaderOptions(int index, java.lang.String value) {
      *
      *
      * 
-     * Allowed values of the "default_leader" schema option for databases in
-     * instances that use this instance configuration.
+     * Output only. Describes whether free instances are available to be created
+     * in this instance configuration.
      * 

      *
-     * repeated string leader_options = 4;
+     * 
+     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      *
-     * @param value The leaderOptions to add.
      * @return This builder for chaining.
      */
-    public Builder addLeaderOptions(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      ensureLeaderOptionsIsMutable();
-      leaderOptions_.add(value);
-      bitField0_ |= 0x00000100;
+    public Builder clearFreeInstanceAvailability() {
+      bitField0_ = (bitField0_ & ~0x00000800);
+      freeInstanceAvailability_ = 0;
       onChanged();
       return this;
     }
 
+    private java.util.List<
+            com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits>
+        allowedProcessingUnits_ = java.util.Collections.emptyList();
+
+    private void ensureAllowedProcessingUnitsIsMutable() {
+      if (!((bitField0_ & 0x00001000) != 0)) {
+        allowedProcessingUnits_ =
+            new java.util.ArrayList<
+                com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits>(
+                allowedProcessingUnits_);
+        bitField0_ |= 0x00001000;
+      }
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits,
+            com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder,
+            com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsOrBuilder>
+        allowedProcessingUnitsBuilder_;
+
+    /**
+     *
+     *
+     * 
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
+     * 

+     *
+     * 
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
+     */
+    public java.util.List<
+            com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits>
+        getAllowedProcessingUnitsList() {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        return java.util.Collections.unmodifiableList(allowedProcessingUnits_);
+      } else {
+        return allowedProcessingUnitsBuilder_.getMessageList();
+      }
+    }
+
+    /**
+     *
+     *
+     * 
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
+     * 

+     *
+     * 
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
+     */
+    public int getAllowedProcessingUnitsCount() {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        return allowedProcessingUnits_.size();
+      } else {
+        return allowedProcessingUnitsBuilder_.getCount();
+      }
+    }
+
     /**
      *
      *
      * 
-     * Allowed values of the "default_leader" schema option for databases in
-     * instances that use this instance configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
-     * repeated string leader_options = 4;
-     *
-     * @param values The leaderOptions to add.
-     * @return This builder for chaining.
+     * 
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public Builder addAllLeaderOptions(java.lang.Iterable values) {
-      ensureLeaderOptionsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, leaderOptions_);
-      bitField0_ |= 0x00000100;
-      onChanged();
-      return this;
+    public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+        getAllowedProcessingUnits(int index) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        return allowedProcessingUnits_.get(index);
+      } else {
+        return allowedProcessingUnitsBuilder_.getMessage(index);
+      }
     }
 
     /**
      *
      *
      * 
-     * Allowed values of the "default_leader" schema option for databases in
-     * instances that use this instance configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
-     * repeated string leader_options = 4;
-     *
-     * @return This builder for chaining.
+     * 
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public Builder clearLeaderOptions() {
-      leaderOptions_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000100);
-      ;
-      onChanged();
+    public Builder setAllowedProcessingUnits(
+        int index,
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits value) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAllowedProcessingUnitsIsMutable();
+        allowedProcessingUnits_.set(index, value);
+        onChanged();
+      } else {
+        allowedProcessingUnitsBuilder_.setMessage(index, value);
+      }
       return this;
     }
 
@@ -4608,66 +6045,107 @@ public Builder clearLeaderOptions() {
      *
      *
      * 
-     * Allowed values of the "default_leader" schema option for databases in
-     * instances that use this instance configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
-     * repeated string leader_options = 4;
-     *
-     * @param value The bytes of the leaderOptions to add.
-     * @return This builder for chaining.
+     * 
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public Builder addLeaderOptionsBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder setAllowedProcessingUnits(
+        int index,
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder
+            builderForValue) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        ensureAllowedProcessingUnitsIsMutable();
+        allowedProcessingUnits_.set(index, builderForValue.build());
+        onChanged();
+      } else {
+        allowedProcessingUnitsBuilder_.setMessage(index, builderForValue.build());
       }
-      checkByteStringIsUtf8(value);
-      ensureLeaderOptionsIsMutable();
-      leaderOptions_.add(value);
-      bitField0_ |= 0x00000100;
-      onChanged();
       return this;
     }
 
-    private boolean reconciling_;
-
     /**
      *
      *
      * 
-     * Output only. If true, the instance configuration is being created or
-     * updated. If false, there are no ongoing operations for the instance
-     * configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
-     * bool reconciling = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     *
-     * @return The reconciling.
+     * 
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    @java.lang.Override
-    public boolean getReconciling() {
-      return reconciling_;
+    public Builder addAllowedProcessingUnits(
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits value) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAllowedProcessingUnitsIsMutable();
+        allowedProcessingUnits_.add(value);
+        onChanged();
+      } else {
+        allowedProcessingUnitsBuilder_.addMessage(value);
+      }
+      return this;
     }
 
     /**
      *
      *
      * 
-     * Output only. If true, the instance configuration is being created or
-     * updated. If false, there are no ongoing operations for the instance
-     * configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
-     * bool reconciling = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     *
-     * @param value The reconciling to set.
-     * @return This builder for chaining.
+     * 
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public Builder setReconciling(boolean value) {
-
-      reconciling_ = value;
-      bitField0_ |= 0x00000200;
-      onChanged();
+    public Builder addAllowedProcessingUnits(
+        int index,
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits value) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        ensureAllowedProcessingUnitsIsMutable();
+        allowedProcessingUnits_.add(index, value);
+        onChanged();
+      } else {
+        allowedProcessingUnitsBuilder_.addMessage(index, value);
+      }
       return this;
     }
 
@@ -4675,62 +6153,104 @@ public Builder setReconciling(boolean value) {
      *
      *
      * 
-     * Output only. If true, the instance configuration is being created or
-     * updated. If false, there are no ongoing operations for the instance
-     * configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
-     * bool reconciling = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     *
-     * @return This builder for chaining.
+     * 
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * 
      */
-    public Builder clearReconciling() {
-      bitField0_ = (bitField0_ & ~0x00000200);
-      reconciling_ = false;
-      onChanged();
+    public Builder addAllowedProcessingUnits(
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder
+            builderForValue) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        ensureAllowedProcessingUnitsIsMutable();
+        allowedProcessingUnits_.add(builderForValue.build());
+        onChanged();
+      } else {
+        allowedProcessingUnitsBuilder_.addMessage(builderForValue.build());
+      }
       return this;
     }
 
-    private int state_ = 0;
-
     /**
      *
      *
      * 
-     * Output only. The current instance configuration state. Applicable only for
-     * `USER_MANAGED` configurations.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @return The enum numeric value on the wire for state.
      */
-    @java.lang.Override
-    public int getStateValue() {
-      return state_;
+    public Builder addAllowedProcessingUnits(
+        int index,
+        com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder
+            builderForValue) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        ensureAllowedProcessingUnitsIsMutable();
+        allowedProcessingUnits_.add(index, builderForValue.build());
+        onChanged();
+      } else {
+        allowedProcessingUnitsBuilder_.addMessage(index, builderForValue.build());
+      }
+      return this;
     }
 
     /**
      *
      *
      * 
-     * Output only. The current instance configuration state. Applicable only for
-     * `USER_MANAGED` configurations.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @param value The enum numeric value on the wire for state to set.
-     * @return This builder for chaining.
      */
-    public Builder setStateValue(int value) {
-      state_ = value;
-      bitField0_ |= 0x00000400;
-      onChanged();
+    public Builder addAllAllowedProcessingUnits(
+        java.lang.Iterable<
+                ? extends
+                    com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits>
+            values) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        ensureAllowedProcessingUnitsIsMutable();
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, allowedProcessingUnits_);
+        onChanged();
+      } else {
+        allowedProcessingUnitsBuilder_.addAllMessages(values);
+      }
       return this;
     }
 
@@ -4738,47 +6258,63 @@ public Builder setStateValue(int value) {
      *
      *
      * 
-     * Output only. The current instance configuration state. Applicable only for
-     * `USER_MANAGED` configurations.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @return The state.
      */
-    @java.lang.Override
-    public com.google.spanner.admin.instance.v1.InstanceConfig.State getState() {
-      com.google.spanner.admin.instance.v1.InstanceConfig.State result =
-          com.google.spanner.admin.instance.v1.InstanceConfig.State.forNumber(state_);
-      return result == null
-          ? com.google.spanner.admin.instance.v1.InstanceConfig.State.UNRECOGNIZED
-          : result;
+    public Builder clearAllowedProcessingUnits() {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        allowedProcessingUnits_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00001000);
+        onChanged();
+      } else {
+        allowedProcessingUnitsBuilder_.clear();
+      }
+      return this;
     }
 
     /**
      *
      *
      * 
-     * Output only. The current instance configuration state. Applicable only for
-     * `USER_MANAGED` configurations.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @param value The state to set.
-     * @return This builder for chaining.
      */
-    public Builder setState(com.google.spanner.admin.instance.v1.InstanceConfig.State value) {
-      if (value == null) {
-        throw new NullPointerException();
+    public Builder removeAllowedProcessingUnits(int index) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        ensureAllowedProcessingUnitsIsMutable();
+        allowedProcessingUnits_.remove(index);
+        onChanged();
+      } else {
+        allowedProcessingUnitsBuilder_.remove(index);
       }
-      bitField0_ |= 0x00000400;
-      state_ = value.getNumber();
-      onChanged();
       return this;
     }
 
@@ -4786,137 +6322,195 @@ public Builder setState(com.google.spanner.admin.instance.v1.InstanceConfig.Stat
      *
      *
      * 
-     * Output only. The current instance configuration state. Applicable only for
-     * `USER_MANAGED` configurations.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.State state = 11 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @return This builder for chaining.
      */
-    public Builder clearState() {
-      bitField0_ = (bitField0_ & ~0x00000400);
-      state_ = 0;
-      onChanged();
-      return this;
+    public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder
+        getAllowedProcessingUnitsBuilder(int index) {
+      return internalGetAllowedProcessingUnitsFieldBuilder().getBuilder(index);
     }
 
-    private int freeInstanceAvailability_ = 0;
-
     /**
      *
      *
      * 
-     * Output only. Describes whether free instances are available to be created
-     * in this instance configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @return The enum numeric value on the wire for freeInstanceAvailability.
      */
-    @java.lang.Override
-    public int getFreeInstanceAvailabilityValue() {
-      return freeInstanceAvailability_;
+    public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsOrBuilder
+        getAllowedProcessingUnitsOrBuilder(int index) {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        return allowedProcessingUnits_.get(index);
+      } else {
+        return allowedProcessingUnitsBuilder_.getMessageOrBuilder(index);
+      }
     }
 
     /**
      *
      *
      * 
-     * Output only. Describes whether free instances are available to be created
-     * in this instance configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @param value The enum numeric value on the wire for freeInstanceAvailability to set.
-     * @return This builder for chaining.
      */
-    public Builder setFreeInstanceAvailabilityValue(int value) {
-      freeInstanceAvailability_ = value;
-      bitField0_ |= 0x00000800;
-      onChanged();
-      return this;
+    public java.util.List<
+            ? extends
+                com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsOrBuilder>
+        getAllowedProcessingUnitsOrBuilderList() {
+      if (allowedProcessingUnitsBuilder_ != null) {
+        return allowedProcessingUnitsBuilder_.getMessageOrBuilderList();
+      } else {
+        return java.util.Collections.unmodifiableList(allowedProcessingUnits_);
+      }
     }
 
     /**
      *
      *
      * 
-     * Output only. Describes whether free instances are available to be created
-     * in this instance configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @return The freeInstanceAvailability.
      */
-    @java.lang.Override
-    public com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability
-        getFreeInstanceAvailability() {
-      com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability result =
-          com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability.forNumber(
-              freeInstanceAvailability_);
-      return result == null
-          ? com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability
-              .UNRECOGNIZED
-          : result;
+    public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder
+        addAllowedProcessingUnitsBuilder() {
+      return internalGetAllowedProcessingUnitsFieldBuilder()
+          .addBuilder(
+              com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+                  .getDefaultInstance());
     }
 
     /**
      *
      *
      * 
-     * Output only. Describes whether free instances are available to be created
-     * in this instance configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @param value The freeInstanceAvailability to set.
-     * @return This builder for chaining.
      */
-    public Builder setFreeInstanceAvailability(
-        com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      bitField0_ |= 0x00000800;
-      freeInstanceAvailability_ = value.getNumber();
-      onChanged();
-      return this;
+    public com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder
+        addAllowedProcessingUnitsBuilder(int index) {
+      return internalGetAllowedProcessingUnitsFieldBuilder()
+          .addBuilder(
+              index,
+              com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+                  .getDefaultInstance());
     }
 
     /**
      *
      *
      * 
-     * Output only. Describes whether free instances are available to be created
-     * in this instance configuration.
+     * Output only. Defines the ranges of allowed processing units supported by
+     * this instance configuration. If multiple ranges are specified, an instance
+     * using this configuration may use a valid increment in any of the given
+     * ranges. For example, an allowed_processing_units specification of
+     * `[{min_processing_units:100, max_processing_units:900,
+     * processing_unit_increment:100}, {min_processing_units:1000,
+     * processing_unit_increment:1000}]` specifies that the instance configuration
+     * supports instances with quantities of processing units in multiples of 100
+     * processing units (100, 200, 300 and so on) up to and including 900
+     * processing units and quantities that are at least 1000 processing units and
+     * multiples of 1000 processing units (1000, 2000, 3000 and so on).
      * 

      *
      * 
-     * .google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability free_instance_availability = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];
+     * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * 
-     *
-     * @return This builder for chaining.
      */
-    public Builder clearFreeInstanceAvailability() {
-      bitField0_ = (bitField0_ & ~0x00000800);
-      freeInstanceAvailability_ = 0;
-      onChanged();
-      return this;
+    public java.util.List<
+            com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder>
+        getAllowedProcessingUnitsBuilderList() {
+      return internalGetAllowedProcessingUnitsFieldBuilder().getBuilderList();
+    }
+
+    private com.google.protobuf.RepeatedFieldBuilder<
+            com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits,
+            com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder,
+            com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsOrBuilder>
+        internalGetAllowedProcessingUnitsFieldBuilder() {
+      if (allowedProcessingUnitsBuilder_ == null) {
+        allowedProcessingUnitsBuilder_ =
+            new com.google.protobuf.RepeatedFieldBuilder<
+                com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits,
+                com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits.Builder,
+                com.google.spanner.admin.instance.v1.InstanceConfig
+                    .AllowedProcessingUnitsOrBuilder>(
+                allowedProcessingUnits_,
+                ((bitField0_ & 0x00001000) != 0),
+                getParentForChildren(),
+                isClean());
+        allowedProcessingUnits_ = null;
+      }
+      return allowedProcessingUnitsBuilder_;
     }
 
     private int quorumType_ = 0;
@@ -4955,7 +6549,7 @@ public int getQuorumTypeValue() {
      */
     public Builder setQuorumTypeValue(int value) {
       quorumType_ = value;
-      bitField0_ |= 0x00001000;
+      bitField0_ |= 0x00002000;
       onChanged();
       return this;
     }
@@ -5001,7 +6595,7 @@ public Builder setQuorumType(
       if (value == null) {
         throw new NullPointerException();
       }
-      bitField0_ |= 0x00001000;
+      bitField0_ |= 0x00002000;
       quorumType_ = value.getNumber();
       onChanged();
       return this;
@@ -5021,7 +6615,7 @@ public Builder setQuorumType(
      * @return This builder for chaining.
      */
     public Builder clearQuorumType() {
-      bitField0_ = (bitField0_ & ~0x00001000);
+      bitField0_ = (bitField0_ & ~0x00002000);
       quorumType_ = 0;
       onChanged();
       return this;
@@ -5064,7 +6658,7 @@ public long getStorageLimitPerProcessingUnit() {
     public Builder setStorageLimitPerProcessingUnit(long value) {
 
       storageLimitPerProcessingUnit_ = value;
-      bitField0_ |= 0x00002000;
+      bitField0_ |= 0x00004000;
       onChanged();
       return this;
     }
@@ -5083,7 +6677,7 @@ public Builder setStorageLimitPerProcessingUnit(long value) {
      * @return This builder for chaining.
      */
     public Builder clearStorageLimitPerProcessingUnit() {
-      bitField0_ = (bitField0_ & ~0x00002000);
+      bitField0_ = (bitField0_ & ~0x00004000);
       storageLimitPerProcessingUnit_ = 0L;
       onChanged();
       return this;
diff --git a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfigOrBuilder.java b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfigOrBuilder.java
index d51e21862f29..6cf166986f64 100644
--- a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfigOrBuilder.java
+++ b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstanceConfigOrBuilder.java
@@ -654,6 +654,127 @@ java.lang.String getLabelsOrDefault(
   com.google.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailability
       getFreeInstanceAvailability();
 
+  /**
+   *
+   *
+   * 
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
+   * 

+   *
+   * 
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   */
+  java.util.List
+      getAllowedProcessingUnitsList();
+
+  /**
+   *
+   *
+   * 
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
+   * 

+   *
+   * 
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   */
+  com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits
+      getAllowedProcessingUnits(int index);
+
+  /**
+   *
+   *
+   * 
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
+   * 

+   *
+   * 
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   */
+  int getAllowedProcessingUnitsCount();
+
+  /**
+   *
+   *
+   * 
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
+   * 

+   *
+   * 
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   */
+  java.util.List<
+          ? extends
+              com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsOrBuilder>
+      getAllowedProcessingUnitsOrBuilderList();
+
+  /**
+   *
+   *
+   * 
+   * Output only. Defines the ranges of allowed processing units supported by
+   * this instance configuration. If multiple ranges are specified, an instance
+   * using this configuration may use a valid increment in any of the given
+   * ranges. For example, an allowed_processing_units specification of
+   * `[{min_processing_units:100, max_processing_units:900,
+   * processing_unit_increment:100}, {min_processing_units:1000,
+   * processing_unit_increment:1000}]` specifies that the instance configuration
+   * supports instances with quantities of processing units in multiples of 100
+   * processing units (100, 200, 300 and so on) up to and including 900
+   * processing units and quantities that are at least 1000 processing units and
+   * multiples of 1000 processing units (1000, 2000, 3000 and so on).
+   * 

+   *
+   * 
+   * repeated .google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnits allowed_processing_units = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * 
+   */
+  com.google.spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsOrBuilder
+      getAllowedProcessingUnitsOrBuilder(int index);
+
   /**
    *
    *
diff --git a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstancePartition.java b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstancePartition.java
index 36cc24cfff99..30bd4cc2b39f 100644
--- a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstancePartition.java
+++ b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstancePartition.java
@@ -909,7 +909,7 @@ public com.google.protobuf.ByteString getReferencingDatabasesBytes(int index) {
    * 
    *
    * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
    * @return A list containing the referencingBackups.
    */
   @java.lang.Deprecated
@@ -933,7 +933,7 @@ public com.google.protobuf.ProtocolStringList getReferencingBackupsList() {
    * 
    *
    * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
    * @return The count of referencingBackups.
    */
   @java.lang.Deprecated
@@ -957,7 +957,7 @@ public int getReferencingBackupsCount() {
    * 
    *
    * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
    * @param index The index of the element to return.
    * @return The referencingBackups at the given index.
    */
@@ -982,7 +982,7 @@ public java.lang.String getReferencingBackups(int index) {
    * 
    *
    * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
    * @param index The index of the value to return.
    * @return The bytes of the referencingBackups at the given index.
    */
@@ -3373,7 +3373,7 @@ private void ensureReferencingBackupsIsMutable() {
      * 
      *
      * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
      * @return A list containing the referencingBackups.
      */
     @java.lang.Deprecated
@@ -3398,7 +3398,7 @@ public com.google.protobuf.ProtocolStringList getReferencingBackupsList() {
      * 
      *
      * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
      * @return The count of referencingBackups.
      */
     @java.lang.Deprecated
@@ -3422,7 +3422,7 @@ public int getReferencingBackupsCount() {
      * 
      *
      * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
      * @param index The index of the element to return.
      * @return The referencingBackups at the given index.
      */
@@ -3447,7 +3447,7 @@ public java.lang.String getReferencingBackups(int index) {
      * 
      *
      * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
      * @param index The index of the value to return.
      * @return The bytes of the referencingBackups at the given index.
      */
@@ -3472,7 +3472,7 @@ public com.google.protobuf.ByteString getReferencingBackupsBytes(int index) {
      * 
      *
      * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
      * @param index The index to set the value at.
      * @param value The referencingBackups to set.
      * @return This builder for chaining.
@@ -3505,7 +3505,7 @@ public Builder setReferencingBackups(int index, java.lang.String value) {
      * 
      *
      * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
      * @param value The referencingBackups to add.
      * @return This builder for chaining.
      */
@@ -3537,7 +3537,7 @@ public Builder addReferencingBackups(java.lang.String value) {
      * 
      *
      * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
      * @param values The referencingBackups to add.
      * @return This builder for chaining.
      */
@@ -3566,7 +3566,7 @@ public Builder addAllReferencingBackups(java.lang.Iterable val
      * 
      *
      * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
      * @return This builder for chaining.
      */
     @java.lang.Deprecated
@@ -3594,7 +3594,7 @@ public Builder clearReferencingBackups() {
      * 
      *
      * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+     *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
      * @param value The bytes of the referencingBackups to add.
      * @return This builder for chaining.
      */
diff --git a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstancePartitionOrBuilder.java b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstancePartitionOrBuilder.java
index 19d279f5cc2f..752c6c749229 100644
--- a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstancePartitionOrBuilder.java
+++ b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/InstancePartitionOrBuilder.java
@@ -453,7 +453,7 @@ public interface InstancePartitionOrBuilder
    * 
    *
    * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
    * @return A list containing the referencingBackups.
    */
   @java.lang.Deprecated
@@ -475,7 +475,7 @@ public interface InstancePartitionOrBuilder
    * 
    *
    * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
    * @return The count of referencingBackups.
    */
   @java.lang.Deprecated
@@ -497,7 +497,7 @@ public interface InstancePartitionOrBuilder
    * 
    *
    * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
    * @param index The index of the element to return.
    * @return The referencingBackups at the given index.
    */
@@ -520,7 +520,7 @@ public interface InstancePartitionOrBuilder
    * 
    *
    * @deprecated google.spanner.admin.instance.v1.InstancePartition.referencing_backups is
-   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1855
+   *     deprecated. See google/spanner/admin/instance/v1/spanner_instance_admin.proto;l=1884
    * @param index The index of the value to return.
    * @return The bytes of the referencingBackups at the given index.
    */
diff --git a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/SpannerInstanceAdminProto.java b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/SpannerInstanceAdminProto.java
index 98e308eacb48..36b54654e06a 100644
--- a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/SpannerInstanceAdminProto.java
+++ b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/java/com/google/spanner/admin/instance/v1/SpannerInstanceAdminProto.java
@@ -48,6 +48,10 @@ public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry r
       internal_static_google_spanner_admin_instance_v1_InstanceConfig_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
       internal_static_google_spanner_admin_instance_v1_InstanceConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+      internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_descriptor;
+  static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
+      internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_fieldAccessorTable;
   static final com.google.protobuf.Descriptors.Descriptor
       internal_static_google_spanner_admin_instance_v1_InstanceConfig_LabelsEntry_descriptor;
   static final com.google.protobuf.GeneratedMessage.FieldAccessorTable
@@ -244,7 +248,7 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\020TYPE_UNSPECIFIED\020\000\022\016\n\n"
           + "READ_WRITE\020\001\022\r\n"
           + "\tREAD_ONLY\020\002\022\013\n"
-          + "\007WITNESS\020\003\"\307\n\n"
+          + "\007WITNESS\020\003\"\261\014\n"
           + "\016InstanceConfig\022\014\n"
           + "\004name\030\001 \001(\t\022\024\n"
           + "\014display_name\030\002 \001(\t\022P\n"
@@ -264,10 +268,17 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\005state\030\013 \001(\01626.google.spanner.admi"
           + "n.instance.v1.InstanceConfig.StateB\004\342A\001\003\022s\n"
           + "\032free_instance_availability\030\014 \001(\0162I.g"
-          + "oogle.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailabilityB\004\342A\001\003\022V\n"
-          + "\013quorum_type\030\022 \001(\0162;.google.spanner.admi"
-          + "n.instance.v1.InstanceConfig.QuorumTypeB\004\342A\001\003\022/\n"
-          + "!storage_limit_per_processing_unit\030\023 \001(\003B\004\342A\001\003\032-\n"
+          + "oogle.spanner.admin.instance.v1.InstanceConfig.FreeInstanceAvailabilityB\004\342A\001\003\022o\n"
+          + "\030allowed_processing_units\030\r"
+          + " \003(\0132G.google"
+          + ".spanner.admin.instance.v1.InstanceConfig.AllowedProcessingUnitsB\004\342A\001\003\022V\n"
+          + "\013quorum_type\030\022 \001(\0162;.google.spanner.admin.insta"
+          + "nce.v1.InstanceConfig.QuorumTypeB\004\342A\001\003\022/\n"
+          + "!storage_limit_per_processing_unit\030\023 \001(\003B\004\342A\001\003\032w\n"
+          + "\026AllowedProcessingUnits\022\034\n"
+          + "\024min_processing_units\030\001 \001(\005\022\034\n"
+          + "\024max_processing_units\030\002 \001(\005\022!\n"
+          + "\031processing_unit_increment\030\003 \001(\005\032-\n"
           + "\013LabelsEntry\022\013\n"
           + "\003key\030\001 \001(\t\022\r\n"
           + "\005value\030\002 \001(\t:\0028\001\"B\n"
@@ -290,22 +301,22 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006REGION\020\001\022\017\n"
           + "\013DUAL_REGION\020\002\022\020\n"
           + "\014MULTI_REGION\020\003:\201\001\352A~\n"
-          + "%spanner.googleapis.com/InstanceConfig\0224projects/{project}"
-          + "/instanceConfigs/{instance_config}*\017instanceConfigs2\016instanceConfig\"\263\001\n"
+          + "%spanner.googleapis.com/InstanceConfig\0224projects/{project}/insta"
+          + "nceConfigs/{instance_config}*\017instanceConfigs2\016instanceConfig\"\263\001\n"
           + "\026ReplicaComputeCapacity\022S\n"
-          + "\021replica_selection\030\001 \001("
-          + "\01322.google.spanner.admin.instance.v1.ReplicaSelectionB\004\342A\001\002\022\024\n\n"
+          + "\021replica_selection\030\001 \001(\01322.go"
+          + "ogle.spanner.admin.instance.v1.ReplicaSelectionB\004\342A\001\002\022\024\n\n"
           + "node_count\030\002 \001(\005H\000\022\032\n"
           + "\020processing_units\030\003 \001(\005H\000B\022\n"
           + "\020compute_capacity\"\221\n\n"
           + "\021AutoscalingConfig\022g\n"
-          + "\022autoscaling_limits\030\001 \001(\0132E.google.spanner.adm"
-          + "in.instance.v1.AutoscalingConfig.AutoscalingLimitsB\004\342A\001\002\022i\n"
-          + "\023autoscaling_targets\030\002 \001(\0132F.google.spanner.admin.instance.v1"
-          + ".AutoscalingConfig.AutoscalingTargetsB\004\342A\001\002\022}\n"
-          + "\036asymmetric_autoscaling_options\030\003 "
-          + "\003(\0132O.google.spanner.admin.instance.v1.A"
-          + "utoscalingConfig.AsymmetricAutoscalingOptionB\004\342A\001\001\032\227\001\n"
+          + "\022autoscaling_limits\030\001 \001(\0132E.google.spanner.admin.ins"
+          + "tance.v1.AutoscalingConfig.AutoscalingLimitsB\004\342A\001\002\022i\n"
+          + "\023autoscaling_targets\030\002 \001(\0132"
+          + "F.google.spanner.admin.instance.v1.AutoscalingConfig.AutoscalingTargetsB\004\342A\001\002\022}\n"
+          + "\036asymmetric_autoscaling_options\030\003 \003(\0132O."
+          + "google.spanner.admin.instance.v1.Autosca"
+          + "lingConfig.AsymmetricAutoscalingOptionB\004\342A\001\001\032\227\001\n"
           + "\021AutoscalingLimits\022\023\n"
           + "\tmin_nodes\030\001 \001(\005H\000\022\036\n"
           + "\024min_processing_units\030\002 \001(\005H\000\022\023\n"
@@ -318,13 +329,14 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\035total_cpu_utilization_percent\030\004 \001(\005B\004\342A\001\001\022)\n"
           + "\033storage_utilization_percent\030\002 \001(\005B\004\342A\001\002\032\352\004\n"
           + "\033AsymmetricAutoscalingOption\022S\n"
-          + "\021replica_selection\030\001 \001(\01322.google.spa"
-          + "nner.admin.instance.v1.ReplicaSelectionB\004\342A\001\002\022\203\001\n"
-          + "\toverrides\030\002 \001(\0132j.google.spanner.admin.instance.v1.AutoscalingConfig.A"
-          + "symmetricAutoscalingOption.AutoscalingConfigOverridesB\004\342A\001\001\032\357\002\n"
+          + "\021replica_selection\030\001 \001(\01322.google.spanner.a"
+          + "dmin.instance.v1.ReplicaSelectionB\004\342A\001\002\022\203\001\n"
+          + "\toverrides\030\002 \001(\0132j.google.spanner.adm"
+          + "in.instance.v1.AutoscalingConfig.Asymmet"
+          + "ricAutoscalingOption.AutoscalingConfigOverridesB\004\342A\001\001\032\357\002\n"
           + "\032AutoscalingConfigOverrides\022g\n"
-          + "\022autoscaling_limits\030\001 \001(\0132E"
-          + ".google.spanner.admin.instance.v1.AutoscalingConfig.AutoscalingLimitsB\004\342A\001\001\022F\n"
+          + "\022autoscaling_limits\030\001 \001(\0132E.googl"
+          + "e.spanner.admin.instance.v1.AutoscalingConfig.AutoscalingLimitsB\004\342A\001\001\022F\n"
           + "8autoscaling_target_high_priority_cpu_utilization_percent\030\002"
           + " \001(\005B\004\342A\001\001\022>\n"
           + "0autoscaling_target_total_cpu_utilization_percent\030\004"
@@ -338,14 +350,14 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\014display_name\030\003 \001(\tB\004\342A\001\002\022\022\n\n"
           + "node_count\030\005 \001(\005\022\030\n"
           + "\020processing_units\030\t \001(\005\022`\n"
-          + "\030replica_compute_capacity\030\023 \003(\01328.goo"
-          + "gle.spanner.admin.instance.v1.ReplicaComputeCapacityB\004\342A\001\003\022U\n"
-          + "\022autoscaling_config\030\021"
-          + " \001(\01323.google.spanner.admin.instance.v1.AutoscalingConfigB\004\342A\001\001\022E\n"
-          + "\005state\030\006 \001(\016"
-          + "20.google.spanner.admin.instance.v1.Instance.StateB\004\342A\001\003\022F\n"
-          + "\006labels\030\007 \003(\01326.googl"
-          + "e.spanner.admin.instance.v1.Instance.LabelsEntry\022N\n\r"
+          + "\030replica_compute_capacity\030\023 \003(\01328.google.sp"
+          + "anner.admin.instance.v1.ReplicaComputeCapacityB\004\342A\001\003\022U\n"
+          + "\022autoscaling_config\030\021 \001(\013"
+          + "23.google.spanner.admin.instance.v1.AutoscalingConfigB\004\342A\001\001\022E\n"
+          + "\005state\030\006 \001(\01620.goo"
+          + "gle.spanner.admin.instance.v1.Instance.StateB\004\342A\001\003\022F\n"
+          + "\006labels\030\007 \003(\01326.google.span"
+          + "ner.admin.instance.v1.Instance.LabelsEntry\022N\n\r"
           + "instance_type\030\n"
           + " \001(\01627.google.spanner.admin.instance.v1.Instance.InstanceType\022\025\n\r"
           + "endpoint_uris\030\010 \003(\t\0225\n"
@@ -355,10 +367,10 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + " \001(\0132\032.google.protobuf.TimestampB\004\342A\001\003\022V\n"
           + "\026free_instance_metadata\030\r"
           + " \001(\01326.google.spanner.admin.instance.v1.FreeInstanceMetadata\022I\n"
-          + "\007edition\030\024"
-          + " \001(\01622.google.spanner.admin.instance.v1.Instance.EditionB\004\342A\001\001\022p\n"
-          + "\034default_backup_schedule_type\030\027 \001(\0162D.google.spanner."
-          + "admin.instance.v1.Instance.DefaultBackupScheduleTypeB\004\342A\001\001\032-\n"
+          + "\007edition\030\024 \001(\016"
+          + "22.google.spanner.admin.instance.v1.Instance.EditionB\004\342A\001\001\022p\n"
+          + "\034default_backup_schedule_type\030\027 \001(\0162D.google.spanner.admin."
+          + "instance.v1.Instance.DefaultBackupScheduleTypeB\004\342A\001\001\032-\n"
           + "\013LabelsEntry\022\013\n"
           + "\003key\030\001 \001(\t\022\r\n"
           + "\005value\030\002 \001(\t:\0028\001\"7\n"
@@ -401,8 +413,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + " \001(\01320.google.spanner.admin.instance.v1.InstanceConfigB\004\342A\001\002\022\025\n\r"
           + "validate_only\030\004 \001(\010\"\274\001\n"
           + "\033UpdateInstanceConfigRequest\022O\n"
-          + "\017instance_config\030\001 \001(\01320.googl"
-          + "e.spanner.admin.instance.v1.InstanceConfigB\004\342A\001\002\0225\n"
+          + "\017instance_config\030\001 \001(\01320.google.span"
+          + "ner.admin.instance.v1.InstanceConfigB\004\342A\001\002\0225\n"
           + "\013update_mask\030\002"
           + " \001(\0132\032.google.protobuf.FieldMaskB\004\342A\001\002\022\025\n\r"
           + "validate_only\030\003 \001(\010\"\200\001\n"
@@ -428,8 +440,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006parent\030\001 \001(\tB4\342A\001\002\372A-\n"
           + "+cloudresourcemanager.googleapis.com/Project\022\031\n"
           + "\013instance_id\030\002 \001(\tB\004\342A\001\002\022B\n"
-          + "\010instance\030\003"
-          + " \001(\0132*.google.spanner.admin.instance.v1.InstanceB\004\342A\001\002\"\312\001\n"
+          + "\010instance\030\003 \001(\0132"
+          + "*.google.spanner.admin.instance.v1.InstanceB\004\342A\001\002\"\312\001\n"
           + "\024ListInstancesRequest\022D\n"
           + "\006parent\030\001 \001(\tB4\342A\001\002\372A-\n"
           + "+cloudresourcemanager.googleapis.com/Project\022\021\n"
@@ -442,8 +454,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\017next_page_token\030\002 \001(\t\022\023\n"
           + "\013unreachable\030\003 \003(\t\"\221\001\n"
           + "\025UpdateInstanceRequest\022B\n"
-          + "\010instance\030\001 \001(\0132"
-          + "*.google.spanner.admin.instance.v1.InstanceB\004\342A\001\002\0224\n\n"
+          + "\010instance\030\001 \001(\0132*.goog"
+          + "le.spanner.admin.instance.v1.InstanceB\004\342A\001\002\0224\n\n"
           + "field_mask\030\002 \001(\0132\032.google.protobuf.FieldMaskB\004\342A\001\002\"O\n"
           + "\025DeleteInstanceRequest\0226\n"
           + "\004name\030\001 \001(\tB(\342A\001\002\372A!\n"
@@ -467,8 +479,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + " \001(\0132\032.google.protobuf.TimestampB\004\342A\001\003\0226\n"
           + "\014upgrade_time\030\002"
           + " \001(\0132\032.google.protobuf.TimestampB\004\342A\001\003\022^\n"
-          + "\017expire_behavior\030\003 \001(\0162E.google.s"
-          + "panner.admin.instance.v1.FreeInstanceMetadata.ExpireBehavior\"i\n"
+          + "\017expire_behavior\030\003 \001(\0162E.google.spanner"
+          + ".admin.instance.v1.FreeInstanceMetadata.ExpireBehavior\"i\n"
           + "\016ExpireBehavior\022\037\n"
           + "\033EXPIRE_BEHAVIOR_UNSPECIFIED\020\000\022\027\n"
           + "\023FREE_TO_PROVISIONED\020\001\022\035\n"
@@ -482,22 +494,21 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\034UpdateInstanceConfigMetadata\022I\n"
           + "\017instance_config\030\001"
           + " \001(\01320.google.spanner.admin.instance.v1.InstanceConfig\022E\n"
-          + "\010progress\030\002 \001("
-          + "\01323.google.spanner.admin.instance.v1.OperationProgress\022/\n"
+          + "\010progress\030\002 \001(\01323.go"
+          + "ogle.spanner.admin.instance.v1.OperationProgress\022/\n"
           + "\013cancel_time\030\003 \001(\0132\032.google.protobuf.Timestamp\"\230\006\n"
           + "\021InstancePartition\022\022\n"
           + "\004name\030\001 \001(\tB\004\342A\001\002\022>\n"
           + "\006config\030\002 \001(\tB.\342A\001\002\372A\'\n"
           + "%spanner.googleapis.com/InstanceConfig\022\032\n"
-          + "\014display_name\030\003 \001(\tB\004\342A\001\002\022\024\n"
-          + "\n"
+          + "\014display_name\030\003 \001(\tB\004\342A\001\002\022\024\n\n"
           + "node_count\030\005 \001(\005H\000\022\032\n"
           + "\020processing_units\030\006 \001(\005H\000\022U\n"
           + "\022autoscaling_config\030\r"
-          + " \001(\01323.go"
-          + "ogle.spanner.admin.instance.v1.AutoscalingConfigB\004\342A\001\001\022N\n"
-          + "\005state\030\007 \001(\01629.google.s"
-          + "panner.admin.instance.v1.InstancePartition.StateB\004\342A\001\003\0225\n"
+          + " \001(\01323.google.s"
+          + "panner.admin.instance.v1.AutoscalingConfigB\004\342A\001\001\022N\n"
+          + "\005state\030\007 \001(\01629.google.spanner"
+          + ".admin.instance.v1.InstancePartition.StateB\004\342A\001\003\0225\n"
           + "\013create_time\030\010"
           + " \001(\0132\032.google.protobuf.TimestampB\004\342A\001\003\0225\n"
           + "\013update_time\030\t"
@@ -510,13 +521,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\021STATE_UNSPECIFIED\020\000\022\014\n"
           + "\010CREATING\020\001\022\t\n"
           + "\005READY\020\002:\246\001\352A\242\001\n"
-          + "(spanner.googleapis.com/InstancePartition\022Oprojects/{project}/instances/{instance}/"
-          + "instancePartitions/{instance_partition}*"
-          + "\022instancePartitions2\021instancePartitionB\022\n"
+          + "(spanner.googleapis.com/InstancePartition\022Oprojec"
+          + "ts/{project}/instances/{instance}/instan"
+          + "cePartitions/{instance_partition}*\022instancePartitions2\021instancePartitionB\022\n"
           + "\020compute_capacity\"\201\002\n"
           + "\037CreateInstancePartitionMetadata\022O\n"
-          + "\022instance_partition\030\001 \001"
-          + "(\01323.google.spanner.admin.instance.v1.InstancePartition\022.\n\n"
+          + "\022instance_partition\030\001 \001(\01323.g"
+          + "oogle.spanner.admin.instance.v1.InstancePartition\022.\n\n"
           + "start_time\030\002 \001(\0132\032.google.protobuf.Timestamp\022/\n"
           + "\013cancel_time\030\003 \001(\0132\032.google.protobuf.Timestamp\022,\n"
           + "\010end_time\030\004 \001(\0132\032.google.protobuf.Timestamp\"\326\001\n"
@@ -524,8 +535,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\006parent\030\001 \001(\tB(\342A\001\002\372A!\n"
           + "\037spanner.googleapis.com/Instance\022#\n"
           + "\025instance_partition_id\030\002 \001(\tB\004\342A\001\002\022U\n"
-          + "\022instance_partition\030\003 \001(\01323.g"
-          + "oogle.spanner.admin.instance.v1.InstancePartitionB\004\342A\001\002\"o\n"
+          + "\022instance_partition\030\003 \001(\01323.google."
+          + "spanner.admin.instance.v1.InstancePartitionB\004\342A\001\002\"o\n"
           + "\036DeleteInstancePartitionRequest\022?\n"
           + "\004name\030\001 \001(\tB1\342A\001\002\372A*\n"
           + "(spanner.googleapis.com/InstancePartition\022\014\n"
@@ -534,14 +545,13 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\004name\030\001 \001(\tB1\342A\001\002\372A*\n"
           + "(spanner.googleapis.com/InstancePartition\"\255\001\n"
           + "\036UpdateInstancePartitionRequest\022U\n"
-          + "\022instance_partition\030\001"
-          + " \001(\01323.google.spanner.admin.instance.v1.InstancePartitionB\004\342A\001\002\0224\n\n"
+          + "\022instance_partition\030\001 \001("
+          + "\01323.google.spanner.admin.instance.v1.InstancePartitionB\004\342A\001\002\0224\n\n"
           + "field_mask\030\002"
           + " \001(\0132\032.google.protobuf.FieldMaskB\004\342A\001\002\"\201\002\n"
           + "\037UpdateInstancePartitionMetadata\022O\n"
           + "\022instance_partition\030\001"
-          + " \001(\01323.google.spanner.admin.instance.v1.InstancePartition\022.\n"
-          + "\n"
+          + " \001(\01323.google.spanner.admin.instance.v1.InstancePartition\022.\n\n"
           + "start_time\030\002 \001(\0132\032.google.protobuf.Timestamp\022/\n"
           + "\013cancel_time\030\003 \001(\0132\032.google.protobuf.Timestamp\022,\n"
           + "\010end_time\030\004 \001(\0132\032.google.protobuf.Timestamp\"\307\001\n"
@@ -553,8 +563,8 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\033instance_partition_deadline\030\004"
           + " \001(\0132\032.google.protobuf.TimestampB\004\342A\001\001\"\240\001\n"
           + "\036ListInstancePartitionsResponse\022P\n"
-          + "\023instance_partitions\030\001"
-          + " \003(\01323.google.spanner.admin.instance.v1.InstancePartition\022\027\n"
+          + "\023instance_partitions\030\001 \003(\013"
+          + "23.google.spanner.admin.instance.v1.InstancePartition\022\027\n"
           + "\017next_page_token\030\002 \001(\t\022\023\n"
           + "\013unreachable\030\003 \003(\t\"\362\001\n"
           + "&ListInstancePartitionOperationsRequest\0228\n"
@@ -577,115 +587,116 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
           + "\024MoveInstanceResponse\"\245\001\n"
           + "\024MoveInstanceMetadata\022\025\n\r"
           + "target_config\030\001 \001(\t\022E\n"
-          + "\010progress\030\002 \001(\01323.googl"
-          + "e.spanner.admin.instance.v1.OperationProgress\022/\n"
+          + "\010progress\030\002 \001(\01323.google.span"
+          + "ner.admin.instance.v1.OperationProgress\022/\n"
           + "\013cancel_time\030\003 \001(\0132\032.google.protobuf.Timestamp2\332\'\n\r"
           + "InstanceAdmin\022\314\001\n"
-          + "\023ListInstanceConfigs\022<.google.spanner.admin."
-          + "instance.v1.ListInstanceConfigsRequest\032=.google.spanner.admin.instance.v1.ListIn"
-          + "stanceConfigsResponse\"8\332A\006parent\202\323\344\223\002)\022\'"
-          + "/v1/{parent=projects/*}/instanceConfigs\022\271\001\n"
-          + "\021GetInstanceConfig\022:.google.spanner.admin.instance.v1.GetInstanceConfigReques"
-          + "t\0320.google.spanner.admin.instance.v1.Ins"
-          + "tanceConfig\"6\332A\004name\202\323\344\223\002)\022\'/v1/{name=projects/*/instanceConfigs/*}\022\310\002\n"
-          + "\024CreateInstanceConfig\022=.google.spanner.admin.inst"
-          + "ance.v1.CreateInstanceConfigRequest\032\035.google.longrunning.Operation\"\321\001\312Ap\n"
-          + "/google.spanner.admin.instance.v1.InstanceConfi"
-          + "g\022=google.spanner.admin.instance.v1.CreateInstanceConfigMetadata\332A)parent,instan"
-          + "ce_config,instance_config_id\202\323\344\223\002,\"\'/v1/"
-          + "{parent=projects/*}/instanceConfigs:\001*\022\312\002\n"
-          + "\024UpdateInstanceConfig\022=.google.spanner.admin.instance.v1.UpdateInstanceConfigR"
-          + "equest\032\035.google.longrunning.Operation\"\323\001\312Ap\n"
-          + "/google.spanner.admin.instance.v1.InstanceConfig\022=google.spanner.admin.insta"
-          + "nce.v1.UpdateInstanceConfigMetadata\332A\033in"
-          + "stance_config,update_mask\202\323\344\223\002<27/v1/{in"
-          + "stance_config.name=projects/*/instanceConfigs/*}:\001*\022\245\001\n"
-          + "\024DeleteInstanceConfig\022=.google.spanner.admin.instance.v1.DeleteIn"
-          + "stanceConfigRequest\032\026.google.protobuf.Em"
-          + "pty\"6\332A\004name\202\323\344\223\002)*\'/v1/{name=projects/*/instanceConfigs/*}\022\360\001\n"
-          + "\034ListInstanceConfigOperations\022E.google.spanner.admin.inst"
-          + "ance.v1.ListInstanceConfigOperationsRequest\032F.google.spanner.admin.instance.v1.L"
-          + "istInstanceConfigOperationsResponse\"A\332A\006"
-          + "parent\202\323\344\223\0022\0220/v1/{parent=projects/*}/instanceConfigOperations\022\264\001\n\r"
-          + "ListInstances\0226.google.spanner.admin.instance.v1.List"
-          + "InstancesRequest\0327.google.spanner.admin."
-          + "instance.v1.ListInstancesResponse\"2\332A\006pa"
-          + "rent\202\323\344\223\002#\022!/v1/{parent=projects/*}/instances\022\344\001\n"
-          + "\026ListInstancePartitions\022?.google.spanner.admin.instance.v1.ListInstance"
-          + "PartitionsRequest\032@.google.spanner.admin.instance.v1.ListInstancePartitionsRespo"
-          + "nse\"G\332A\006parent\202\323\344\223\0028\0226/v1/{parent=projects/*/instances/*}/instancePartitions\022\241\001\n"
-          + "\013GetInstance\0224.google.spanner.admin.inst"
-          + "ance.v1.GetInstanceRequest\032*.google.span"
-          + "ner.admin.instance.v1.Instance\"0\332A\004name\202"
-          + "\323\344\223\002#\022!/v1/{name=projects/*/instances/*}\022\234\002\n"
-          + "\016CreateInstance\0227.google.spanner.adm"
-          + "in.instance.v1.CreateInstanceRequest\032\035.google.longrunning.Operation\"\261\001\312Ad\n"
-          + ")google.spanner.admin.instance.v1.Instance\0227go"
-          + "ogle.spanner.admin.instance.v1.CreateInstanceMetadata\332A\033parent,instance_id,insta"
-          + "nce\202\323\344\223\002&\"!/v1/{parent=projects/*}/instances:\001*\022\235\002\n"
-          + "\016UpdateInstance\0227.google.spanner.admin.instance.v1.UpdateInstanceRequ"
-          + "est\032\035.google.longrunning.Operation\"\262\001\312Ad\n"
-          + ")google.spanner.admin.instance.v1.Instance\0227google.spanner.admin.instance.v1.Up"
-          + "dateInstanceMetadata\332A\023instance,field_ma"
-          + "sk\202\323\344\223\002/2*/v1/{instance.name=projects/*/instances/*}:\001*\022\223\001\n"
-          + "\016DeleteInstance\0227.google.spanner.admin.instance.v1.DeleteInst"
-          + "anceRequest\032\026.google.protobuf.Empty\"0\332A\004"
-          + "name\202\323\344\223\002#*!/v1/{name=projects/*/instances/*}\022\232\001\n"
-          + "\014SetIamPolicy\022\".google.iam.v1.SetIamPolicyRequest\032\025.google.iam.v1.Polic"
-          + "y\"O\332A\017resource,policy\202\323\344\223\0027\"2/v1/{resour"
-          + "ce=projects/*/instances/*}:setIamPolicy:\001*\022\223\001\n"
-          + "\014GetIamPolicy\022\".google.iam.v1.GetI"
-          + "amPolicyRequest\032\025.google.iam.v1.Policy\"H"
-          + "\332A\010resource\202\323\344\223\0027\"2/v1/{resource=projects/*/instances/*}:getIamPolicy:\001*\022\305\001\n"
-          + "\022TestIamPermissions\022(.google.iam.v1.TestIamP"
-          + "ermissionsRequest\032).google.iam.v1.TestIa"
-          + "mPermissionsResponse\"Z\332A\024resource,permis"
-          + "sions\202\323\344\223\002=\"8/v1/{resource=projects/*/instances/*}:testIamPermissions:\001*\022\321\001\n"
-          + "\024GetInstancePartition\022=.google.spanner.admin"
-          + ".instance.v1.GetInstancePartitionRequest\0323.google.spanner.admin.instance.v1.Inst"
-          + "ancePartition\"E\332A\004name\202\323\344\223\0028\0226/v1/{name="
-          + "projects/*/instances/*/instancePartitions/*}\022\351\002\n"
-          + "\027CreateInstancePartition\022@.google.spanner.admin.instance.v1.CreateInstan"
-          + "cePartitionRequest\032\035.google.longrunning.Operation\"\354\001\312Av\n"
-          + "2google.spanner.admin.instance.v1.InstancePartition\022@google.span"
-          + "ner.admin.instance.v1.CreateInstancePartitionMetadata\332A/parent,instance_partitio"
-          + "n,instance_partition_id\202\323\344\223\002;\"6/v1/{pare"
-          + "nt=projects/*/instances/*}/instancePartitions:\001*\022\272\001\n"
-          + "\027DeleteInstancePartition\022@.google.spanner.admin.instance.v1.DeleteIn"
-          + "stancePartitionRequest\032\026.google.protobuf"
-          + ".Empty\"E\332A\004name\202\323\344\223\0028*6/v1/{name=project"
-          + "s/*/instances/*/instancePartitions/*}\022\352\002\n"
-          + "\027UpdateInstancePartition\022@.google.spanner.admin.instance.v1.UpdateInstanceParti"
-          + "tionRequest\032\035.google.longrunning.Operation\"\355\001\312Av\n"
-          + "2google.spanner.admin.instance.v1.InstancePartition\022@google.spanner.adm"
-          + "in.instance.v1.UpdateInstancePartitionMe"
-          + "tadata\332A\035instance_partition,field_mask\202\323"
-          + "\344\223\002N2I/v1/{instance_partition.name=proje"
-          + "cts/*/instances/*/instancePartitions/*}:\001*\022\210\002\n"
-          + "\037ListInstancePartitionOperations\022H",
-      ".google.spanner.admin.instance.v1.ListIn"
-          + "stancePartitionOperationsRequest\032I.googl"
+          + "\023ListInstanceConfigs\022<.google.spanner.admin.instan"
+          + "ce.v1.ListInstanceConfigsRequest\032=.google.spanner.admin.instance.v1.ListInstance"
+          + "ConfigsResponse\"8\332A\006parent\202\323\344\223\002)\022\'/v1/{parent=projects/*}/instanceConfigs\022\271\001\n"
+          + "\021GetInstanceConfig\022:.google.spanner.admin.i"
+          + "nstance.v1.GetInstanceConfigRequest\0320.google.spanner.admin.instance.v1.InstanceC"
+          + "onfig\"6\332A\004name\202\323\344\223\002)\022\'/v1/{name=projects/*/instanceConfigs/*}\022\310\002\n"
+          + "\024CreateInstanceConfig\022=.google.spanner.admin.instance.v"
+          + "1.CreateInstanceConfigRequest\032\035.google.longrunning.Operation\"\321\001\312Ap\n"
+          + "/google.spanner.admin.instance.v1.InstanceConfig\022=goo"
+          + "gle.spanner.admin.instance.v1.CreateInstanceConfigMetadata\332A)parent,instance_con"
+          + "fig,instance_config_id\202\323\344\223\002,\"\'/v1/{parent=projects/*}/instanceConfigs:\001*\022\312\002\n"
+          + "\024UpdateInstanceConfig\022=.google.spanner.admin"
+          + ".instance.v1.UpdateInstanceConfigRequest\032\035.google.longrunning.Operation\"\323\001\312Ap\n"
+          + "/google.spanner.admin.instance.v1.InstanceConfig\022=google.spanner.admin.instance.v1"
+          + ".UpdateInstanceConfigMetadata\332A\033instance"
+          + "_config,update_mask\202\323\344\223\002<27/v1/{instance"
+          + "_config.name=projects/*/instanceConfigs/*}:\001*\022\245\001\n"
+          + "\024DeleteInstanceConfig\022=.google.spanner.admin.instance.v1.DeleteInstance"
+          + "ConfigRequest\032\026.google.protobuf.Empty\"6\332"
+          + "A\004name\202\323\344\223\002)*\'/v1/{name=projects/*/instanceConfigs/*}\022\360\001\n"
+          + "\034ListInstanceConfigOperations\022E.google.spanner.admin.instance.v"
+          + "1.ListInstanceConfigOperationsRequest\032F.google.spanner.admin.instance.v1.ListIns"
+          + "tanceConfigOperationsResponse\"A\332A\006parent"
+          + "\202\323\344\223\0022\0220/v1/{parent=projects/*}/instanceConfigOperations\022\264\001\n\r"
+          + "ListInstances\0226.google.spanner.admin.instance.v1.ListInstan"
+          + "cesRequest\0327.google.spanner.admin.instan"
+          + "ce.v1.ListInstancesResponse\"2\332A\006parent\202\323"
+          + "\344\223\002#\022!/v1/{parent=projects/*}/instances\022\344\001\n"
+          + "\026ListInstancePartitions\022?.google.spanner.admin.instance.v1.ListInstancePartit"
+          + "ionsRequest\032@.google.spanner.admin.insta"
+          + "nce.v1.ListInstancePartitionsResponse\"G\332"
+          + "A\006parent\202\323\344\223\0028\0226/v1/{parent=projects/*/instances/*}/instancePartitions\022\241\001\n"
+          + "\013GetInstance\0224.google.spanner.admin.instance.v"
+          + "1.GetInstanceRequest\032*.google.spanner.ad"
+          + "min.instance.v1.Instance\"0\332A\004name\202\323\344\223\002#\022!/v1/{name=projects/*/instances/*}\022\234\002\n"
+          + "\016CreateInstance\0227.google.spanner.admin.ins"
+          + "tance.v1.CreateInstanceRequest\032\035.google.longrunning.Operation\"\261\001\312Ad\n"
+          + ")google.spanner.admin.instance.v1.Instance\0227google.s"
+          + "panner.admin.instance.v1.CreateInstanceM"
+          + "etadata\332A\033parent,instance_id,instance\202\323\344"
+          + "\223\002&\"!/v1/{parent=projects/*}/instances:\001*\022\235\002\n"
+          + "\016UpdateInstance\0227.google.spanner.ad"
+          + "min.instance.v1.UpdateInstanceRequest\032\035.google.longrunning.Operation\"\262\001\312Ad\n"
+          + ")google.spanner.admin.instance.v1.Instance\0227g"
+          + "oogle.spanner.admin.instance.v1.UpdateIn"
+          + "stanceMetadata\332A\023instance,field_mask\202\323\344\223"
+          + "\002/2*/v1/{instance.name=projects/*/instances/*}:\001*\022\223\001\n"
+          + "\016DeleteInstance\0227.google.spanner.admin.instance.v1.DeleteInstanceRe"
+          + "quest\032\026.google.protobuf.Empty\"0\332A\004name\202\323"
+          + "\344\223\002#*!/v1/{name=projects/*/instances/*}\022\232\001\n"
+          + "\014SetIamPolicy\022\".google.iam.v1.SetIamP"
+          + "olicyRequest\032\025.google.iam.v1.Policy\"O\332A\017"
+          + "resource,policy\202\323\344\223\0027\"2/v1/{resource=projects/*/instances/*}:setIamPolicy:\001*\022\223\001\n"
+          + "\014GetIamPolicy\022\".google.iam.v1.GetIamPoli"
+          + "cyRequest\032\025.google.iam.v1.Policy\"H\332A\010res"
+          + "ource\202\323\344\223\0027\"2/v1/{resource=projects/*/instances/*}:getIamPolicy:\001*\022\305\001\n"
+          + "\022TestIamPermissions\022(.google.iam.v1.TestIamPermiss"
+          + "ionsRequest\032).google.iam.v1.TestIamPermi"
+          + "ssionsResponse\"Z\332A\024resource,permissions\202"
+          + "\323\344\223\002=\"8/v1/{resource=projects/*/instances/*}:testIamPermissions:\001*\022\321\001\n"
+          + "\024GetInstancePartition\022=.google.spanner.admin.insta"
+          + "nce.v1.GetInstancePartitionRequest\0323.google.spanner.admin.instance.v1.InstancePa"
+          + "rtition\"E\332A\004name\202\323\344\223\0028\0226/v1/{name=projec"
+          + "ts/*/instances/*/instancePartitions/*}\022\351\002\n"
+          + "\027CreateInstancePartition\022@.google.spanner.admin.instance.v1.CreateInstancePart"
+          + "itionRequest\032\035.google.longrunning.Operation\"\354\001\312Av\n"
+          + "2google.spanner.admin.instance.v1.InstancePartition\022@google.spanner.ad"
+          + "min.instance.v1.CreateInstancePartitionMetadata\332A/parent,instance_partition,inst"
+          + "ance_partition_id\202\323\344\223\002;\"6/v1/{parent=pro"
+          + "jects/*/instances/*}/instancePartitions:\001*\022\272\001\n"
+          + "\027DeleteInstancePartition\022@.google.spanner.admin.instance.v1.DeleteInstance"
+          + "PartitionRequest\032\026.google.protobuf.Empty"
+          + "\"E\332A\004name\202\323\344\223\0028*6/v1/{name=projects/*/instances/*/instancePartitions/*}\022\352\002\n"
+          + "\027UpdateInstancePartition\022@.google.spanner.adm"
+          + "in.instance.v1.UpdateInstancePartitionRe"
+          + "quest\032\035.google.longrunning.Operation\"\355\001\312Av\n"
+          + "2google.spanner.admin.instance.v1.Ins",
+      "tancePartition\022@google.spanner.admin.ins"
+          + "tance.v1.UpdateInstancePartitionMetadata"
+          + "\332A\035instance_partition,field_mask\202\323\344\223\002N2I"
+          + "/v1/{instance_partition.name=projects/*/"
+          + "instances/*/instancePartitions/*}:\001*\022\210\002\n"
+          + "\037ListInstancePartitionOperations\022H.googl"
           + "e.spanner.admin.instance.v1.ListInstance"
-          + "PartitionOperationsResponse\"P\332A\006parent\202\323"
-          + "\344\223\002A\022?/v1/{parent=projects/*/instances/*"
-          + "}/instancePartitionOperations\022\211\002\n\014MoveIn"
-          + "stance\0225.google.spanner.admin.instance.v"
-          + "1.MoveInstanceRequest\032\035.google.longrunni"
-          + "ng.Operation\"\242\001\312An\n5google.spanner.admin"
-          + ".instance.v1.MoveInstanceResponse\0225googl"
-          + "e.spanner.admin.instance.v1.MoveInstance"
-          + "Metadata\202\323\344\223\002+\"&/v1/{name=projects/*/ins"
-          + "tances/*}:move:\001*\032x\312A\026spanner.googleapis"
-          + ".com\322A\\https://www.googleapis.com/auth/c"
-          + "loud-platform,https://www.googleapis.com"
-          + "/auth/spanner.adminB\213\002\n$com.google.spann"
-          + "er.admin.instance.v1B\031SpannerInstanceAdm"
-          + "inProtoP\001ZFcloud.google.com/go/spanner/a"
-          + "dmin/instance/apiv1/instancepb;instancep"
-          + "b\252\002&Google.Cloud.Spanner.Admin.Instance."
-          + "V1\312\002&Google\\Cloud\\Spanner\\Admin\\Instance"
-          + "\\V1\352\002+Google::Cloud::Spanner::Admin::Ins"
-          + "tance::V1b\006proto3"
+          + "PartitionOperationsRequest\032I.google.span"
+          + "ner.admin.instance.v1.ListInstancePartit"
+          + "ionOperationsResponse\"P\332A\006parent\202\323\344\223\002A\022?"
+          + "/v1/{parent=projects/*/instances/*}/inst"
+          + "ancePartitionOperations\022\211\002\n\014MoveInstance"
+          + "\0225.google.spanner.admin.instance.v1.Move"
+          + "InstanceRequest\032\035.google.longrunning.Ope"
+          + "ration\"\242\001\312An\n5google.spanner.admin.insta"
+          + "nce.v1.MoveInstanceResponse\0225google.span"
+          + "ner.admin.instance.v1.MoveInstanceMetada"
+          + "ta\202\323\344\223\002+\"&/v1/{name=projects/*/instances"
+          + "/*}:move:\001*\032x\312A\026spanner.googleapis.com\322A"
+          + "\\https://www.googleapis.com/auth/cloud-p"
+          + "latform,https://www.googleapis.com/auth/"
+          + "spanner.adminB\213\002\n$com.google.spanner.adm"
+          + "in.instance.v1B\031SpannerInstanceAdminProt"
+          + "oP\001ZFcloud.google.com/go/spanner/admin/i"
+          + "nstance/apiv1/instancepb;instancepb\252\002&Go"
+          + "ogle.Cloud.Spanner.Admin.Instance.V1\312\002&G"
+          + "oogle\\Cloud\\Spanner\\Admin\\Instance\\V1\352\002+"
+          + "Google::Cloud::Spanner::Admin::Instance:"
+          + ":V1b\006proto3"
     };
     descriptor =
         com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
@@ -729,11 +740,20 @@ public static com.google.protobuf.Descriptors.FileDescriptor getDescriptor() {
               "Reconciling",
               "State",
               "FreeInstanceAvailability",
+              "AllowedProcessingUnits",
               "QuorumType",
               "StorageLimitPerProcessingUnit",
             });
-    internal_static_google_spanner_admin_instance_v1_InstanceConfig_LabelsEntry_descriptor =
+    internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_descriptor =
         internal_static_google_spanner_admin_instance_v1_InstanceConfig_descriptor.getNestedType(0);
+    internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_fieldAccessorTable =
+        new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
+            internal_static_google_spanner_admin_instance_v1_InstanceConfig_AllowedProcessingUnits_descriptor,
+            new java.lang.String[] {
+              "MinProcessingUnits", "MaxProcessingUnits", "ProcessingUnitIncrement",
+            });
+    internal_static_google_spanner_admin_instance_v1_InstanceConfig_LabelsEntry_descriptor =
+        internal_static_google_spanner_admin_instance_v1_InstanceConfig_descriptor.getNestedType(1);
     internal_static_google_spanner_admin_instance_v1_InstanceConfig_LabelsEntry_fieldAccessorTable =
         new com.google.protobuf.GeneratedMessage.FieldAccessorTable(
             internal_static_google_spanner_admin_instance_v1_InstanceConfig_LabelsEntry_descriptor,
diff --git a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/proto/google/spanner/admin/instance/v1/spanner_instance_admin.proto b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/proto/google/spanner/admin/instance/v1/spanner_instance_admin.proto
index d16ab2ca5835..1d57e2b0dc3c 100644
--- a/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/proto/google/spanner/admin/instance/v1/spanner_instance_admin.proto
+++ b/java-spanner/proto-google-cloud-spanner-admin-instance-v1/src/main/proto/google/spanner/admin/instance/v1/spanner_instance_admin.proto
@@ -748,6 +748,21 @@ message InstanceConfig {
     QUOTA_EXCEEDED = 4;
   }
 
+  // Defines a range of processing units supported by an instance configuration.
+  message AllowedProcessingUnits {
+    // The minimum value of processing units applicable to this interval,
+    // inclusive.
+    int32 min_processing_units = 1;
+
+    // The maximum value of processing units applicable to this interval,
+    // inclusive. If unset, there is no predefined limit to the supported
+    // number of processing units, although project quota limits still apply.
+    int32 max_processing_units = 2;
+
+    // Allowed increments of processing units between “min” and “max”.
+    int32 processing_unit_increment = 3;
+  }
+
   // Indicates the quorum type of this instance configuration.
   enum QuorumType {
     // Quorum type not specified.
@@ -861,6 +876,20 @@ message InstanceConfig {
   FreeInstanceAvailability free_instance_availability = 12
       [(google.api.field_behavior) = OUTPUT_ONLY];
 
+  // Output only. Defines the ranges of allowed processing units supported by
+  // this instance configuration. If multiple ranges are specified, an instance
+  // using this configuration may use a valid increment in any of the given
+  // ranges. For example, an allowed_processing_units specification of
+  // `[{min_processing_units:100, max_processing_units:900,
+  // processing_unit_increment:100}, {min_processing_units:1000,
+  // processing_unit_increment:1000}]` specifies that the instance configuration
+  // supports instances with quantities of processing units in multiples of 100
+  // processing units (100, 200, 300 and so on) up to and including 900
+  // processing units and quantities that are at least 1000 processing units and
+  // multiples of 1000 processing units (1000, 2000, 3000 and so on).
+  repeated AllowedProcessingUnits allowed_processing_units = 13
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
   // Output only. The `QuorumType` of the instance configuration.
   QuorumType quorum_type = 18 [(google.api.field_behavior) = OUTPUT_ONLY];
 
diff --git a/librarian.yaml b/librarian.yaml
index 0102e1667e6d..a454fb8324d4 100644
--- a/librarian.yaml
+++ b/librarian.yaml
@@ -16,8 +16,8 @@ version: v0.49.0
 repo: googleapis/google-cloud-java
 sources:
   googleapis:
-    commit: e7513c828b8db536fa12fc5493d541f323aedf90
-    sha256: 2ef69787d1b7c2a60fdc8dae745435d115b95e45cc3262c050f4eccfd1889c27
+    commit: c48d13e0bfc44dba984d8accc002c05c9048b9e8
+    sha256: c9410510f44ed7488c60efbfac10a1d849c8555a35dec51d07f3168823c57ece
   showcase:
     commit: 5158967e8a41c751b15776142d190428ddb7e99f
     sha256: a31271ff2cdeb7cce91e93a4d58a66dcaaac574c51cc14bd74577ab1eafd3ccd