code: void initEditorChangeHandlers(Collection<String> changeScopes) {
  
          if (m_editorChangeHandler != null) {
              m_editorChangeHandler.clear();
          }
          m_editorChangeHandler = new EditorChangeHandler(getEntity(), changeScopes);
      }
docs: Initializes the editor change handler.<p>
  
  @param changeScopes the scopes to watch for changes