docs: private Set<String> getChangeHandlerScopes(CmsXmlContentDefinition definition) {
  
          List<I_CmsXmlContentEditorChangeHandler> changeHandlers = definition.getContentHandler().getEditorChangeHandlers();
          Set<String> scopes = new HashSet<String>();
          for (I_CmsXmlContentEditorChangeHandler handler : changeHandlers) {
              String scope = handler.getScope();
              scopes.addAll(evaluateScope(scope, definition));
          }
          return scopes;
      }