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Unify column option storage and mutation contracts #1187

Job	Run time
Gradle Check (ubuntu-latest)	2m 36s
Gradle Check (macos-latest)	4m 13s
Grammar Choice Conflicts	26s
Gradle Check (windows-latest)	4m 58s
Maven Verify (windows-latest)	5m 27s
Maven Verify (ubuntu-latest)	4m 47s
Maven Verify (macos-latest)	5m 13s
Build & Deploy Sphinx Docs	-1s
Gradle Publish (Maven Central)	-1s
	27m 38s