@Override
	public Collection<ColumnConstraint<?>> getColumnConstraints() {

		//@formatter:off
		return new ArrayList<>(Arrays.asList(
			new IsAsciiColumnConstraint(), 
			new IsNotAsciiColumnConstraint(), 
			new HasEncodingErrorColumnConstraint(), 
			new HasTranslationValueColumnConstraint(), 
			new DoesNotHaveTranslationValueColumnConstraint() 
		));
		//@formatter:on
	}
Provides column constraints for {@link StringDataInstance}s
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/strings/ViewStringsColumnConstraintProvider.java