Optionally exits the synchronizationdomain for the synchronized context before the wait and reacquires the domain afterward.
在等候之前和重新取得领域之后，可选择性地结束同步化内容的同步处理领域。
2
This method also specifies whether the synchronizationdomain for the context (if in a synchronized context) is exited before the wait and reacquired afterward.
此方法还指定是否在等待之前退出上下文的同步域(如果处于同步上下文中的话)然后重新获取该同步域。
3
No one likes writing or maintaining boilerplate GUI to domain model synchronization code.