/**
 The number of chatroom members has changed

 @param chatroomID chatroom ID
 @param membersNumber chatroom member number
 */
- (void)chatroom:(NSString *)chatroomID didMembersNumberUpdated:(NSInteger)membersNumber
{
}
/**
  You are removed from the current chatroom 

 @param kickOutUserId user ID
 */
- (void)chatroomUserKicked:(NSString *)kickOutUserId
{
}
/**
 Notification of the chatroom close 
 */
- (void)chatroomDidColsed
{
}
/**
 Receive a chatroom message

 @param message message
 */
- (void)chatroomMessagesDidReceive:(NSString *)message fromID:(NSString *)fromID
{
}
/**
 Receive a chatroom private message
 
 @param message message
 */
- (void)chatroomPrivateMessagesDidReceive:(NSString *)message fromID:(NSString *)fromID
{
}
/**
Chatroom error
 
 @param errString error information
 */
-(void)chatRoomErr:(NSString *)errString
{
}
/**
 Insufficient of chat balance
 */
-(void) chatroomSendMsgNoFee
{
}

/**
 You are banned in the chatroom
 @param remainTimeSec remaining banned seconds 
 */
-(void) chatroomSendMsgBanned:(int) remainTimeSec
{
}

/**
Create a chatroom
 @param chatroomName chatroom name
 @param type chatroom type
 @param completion callback
 */
- (void)createChatroom:(NSString *)chatroomName type:(XHChatroomType)type completion:(void(^)(NSString *chatRoomID,NSError *error))completion;

/**
 delete the chatroom
 @param chatroomID chatroom ID
 @param completion callback
 */
- (void)deleteChatroom:(NSString *)chatroomID completion:(void(^)(NSError *error))completion;

/**
 join the chatroom
 @param chatroomID chatroom ID
 @param completion callback
 */
- (void)joinChatroom:(NSString *)chatroomID completion:(void(^)(NSError *error))completion;

/**
 exit the chatroom
 @param chatroomID chatroom ID
 @param completion callback
 */
- (void)exitChatroom:(NSString *)chatroomID completion:(void(^)(NSError *error))completion;

/**
 mute somebody in the chatroom
 @param member the member who is  being muted
 @param seconds mute time
 @param chatroomId chatroom ID
 @param completion callback
 */
- (void)muteMember:(NSString*)member
        muteSeconds:(NSInteger)seconds
       fromChatroom:(NSString *)chatroomId
         completion:(void(^)(NSError *error))completion;

/**
unmute somebody in the chatroom
 @param member the member who is  being unmuted
 @param chatroomId chatroom ID
 @param completion callback
 */
- (void)unMuteMember:(NSString *)member
         fromChatroom:(NSString *)chatroomId
           completion:(void(^)(NSError *error))completion;
/**
  kick out users in the chatroom
 @param member the member who is  being kicked out
 @param chatroomId chatroom ID
 @param completion callback
 */
- (void)removeMember:(NSString *)member
         fromChatroom:(NSString *)chatroomId
           completion:(void(^)(NSError *error))completion;

/**
 Send a message
 @param message message
 @param completion callback
 */
- (void)sendMessage:(NSString *)message completion:(void(^)(NSError *error))completion;

/**
 Send a private message
 @param message message
 @param toID receiver id
 @param completion callback
 */
- (void)sendMessage:(NSString *)message toID:(NSString *)toID  completion:(void(^)(NSError *error))completion;