NEScreenSharingService 成员列表

成员的完整列表，这些成员属于 NEScreenSharingService,包括所有继承而来的类成员

-	addScreenSharingStatusListener:	NEScreenSharingService
-	removeScreenSharingStatusListener:	NEScreenSharingService
-	startScreenShare:opts:callback:	NEScreenSharingService
-	stopScreenShare:	NEScreenSharingService