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

onAdminAdded(final String chatRoomId, final String admin)	com.hyphenate.EMChatRoomChangeListener
onAdminRemoved(final String chatRoomId, final String admin)	com.hyphenate.EMChatRoomChangeListener
onAnnouncementChanged(String chatRoomId, String announcement)	com.hyphenate.EMChatRoomChangeListener
onChatRoomDestroyed(final String roomId, final String roomName)	com.hyphenate.EMChatRoomChangeListener
onMemberExited(final String roomId, final String roomName, final String participant)	com.hyphenate.EMChatRoomChangeListener
onMemberJoined(final String roomId, final String participant)	com.hyphenate.EMChatRoomChangeListener
onMuteListAdded(final String chatRoomId, final List< String > mutes, final long expireTime)	com.hyphenate.EMChatRoomChangeListener
onMuteListRemoved(final String chatRoomId, final List< String > mutes)	com.hyphenate.EMChatRoomChangeListener
onOwnerChanged(final String chatRoomId, final String newOwner, final String oldOwner)	com.hyphenate.EMChatRoomChangeListener
onRemovedFromChatRoom(final int reason, final String roomId, final String roomName, final String participant)	com.hyphenate.EMChatRoomChangeListener