publicinterfacePerson{StringgetName();voidsetName(Stringname);ListgetFriends();}publicinterfacePersonFriend{StringgetName();}我正在尝试为Person实现一个只能查看的编辑器:publicclassPersonViewEditorextendsCompositeimplementsEditor{privatestaticPersonViewEditorUiBinderuiBinder=GWT.create(PersonViewEditorUiBinder.clas