text: //
  //  MobileRTCWaitingRoomService.h
  //  MobileRTC
  //
  //  Created by Zoom Video Communications on 2019/3/6.
  //  Copyright © 2019 Zoom Video Communications, Inc. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  /*!
   @class MobileRTCWaitingRoomServiceDelegate
   @brief Meeting host enabled the waiting room feature, then the delegate will receive this notification  #only for custom UI#.
   */
  @protocol MobileRTCWaitingRoomServiceDelegate <NSObject>
  @optional
  
  /*!
   @class MobileRTCWaitingRoomServiceDelegate
   @brief Meeting host enabled the waiting room feature, then the delegate will receive this notification  #only for custom UI#.
           onWaitingRoomUserJoin: will notify the host someone entery the waiting room.
           onWaitingRoomUserLeft: will notify the host someone left from waiting room.
   */
  - (void)onWaitingRoomUserJoin:(NSUInteger)userId;
  - (void)onWaitingRoomUserLeft:(NSUInteger)userId;
  @end
  
  @interface MobileRTCWaitingRoomService : NSObject
  
  /*!
   @brief Waiting Room service delegate.
   */
  @property (nullable, assign, nonatomic) id<MobileRTCWaitingRoomServiceDelegate> delegate;
  
  /*!
   @brief Is this meeting support Waiting Room feature.
   @return Yes if support waiting room.
   */
  -(BOOL)isSupportWaitingRoom;
  
  /*!
   @brief Is this meeting enabled Waiting Room feature.
   @return Yes if enabled.
   */
  -(BOOL)isWaitingRoomOnEntryFlagOn;
  
  /*!
   @brief enable or disable waiting room feature of this meeting.
   @return the result of this operation.
   */
  - (MobileRTCMeetError)enableWaitingRoomOnEntry:(BOOL)bEnable;
  
  /*!
   @brief get the waiting room user id list.
   @return waiting room user list.
   */
  - (nullable NSArray <NSNumber *> *)waitingRoomList;
  
  /*!
   @brief get the user detail information in waiting room.
   @return waiting room user information.
   */
  - (nullable MobileRTCMeetingUserInfo*)waitingRoomUserInfoByID:(NSUInteger)userId;
  
  /*!
   @brief admit the user go to meeting fram waiting room.
   @return the result of this operation.
   @warning Only meeting host/co-host can run the function.
   */
  - (BOOL)admitToMeeting:(NSUInteger)userId;
  
  /*!
   @brief put the user to waiting room from meeting.
   @return the result of this operation.
   @warning Only meeting host/co-host can run the function.
   */
  - (BOOL)putInWaitingRoom:(NSUInteger)userId;
  
  @end
  