code: @SuppressWarnings("UnusedParameters")
      protected String createMustEqualExistingMetaData(
          String parameterName, DatabaseChangeProperty changePropertyAnnotation
      ) {
          if (changePropertyAnnotation == null) {
              return null;
          }
  
          return changePropertyAnnotation.mustEqualExisting();
      }
docs: Create the {@link ChangeParameterMetaData} "mustEqual" value. Uses the value on the DatabaseChangeProperty
  annotation or returns null as a default.