这里列出了所有文档化的类成员，并附带类所属的文件:

- r -

• reaction : EMMessageReaction , EMMessageReactionOperation
• reactionList : EMChatMessage
• reactions : EMMessageReactionChange
• readAckId : EMGroupMessageAck
• readCount : EMGroupMessageAck
• recallBy : EMRecallMessageInfo
• recallMessage : EMRecallMessageInfo
• recallMessageId : EMRecallMessageInfo
• recallMessageWithMessageId:completion: : <IEMChatManager>
• recallMessageWithMessageId:ext:completion: : <IEMChatManager>
• receiverList : EMChatMessage
• regardImportMessagesAsRead : EMOptions
• registerForRemoteNotificationsWithCertName:deviceToken:completion: : EMClient
• registerForRemoteNotificationsWithDeviceToken:completion: : EMClient
• registerPushKitToken:completion: : EMClient
• registerWithUsername:password: : EMClient
• registerWithUsername:password:completion: : EMClient
• remark : EMContact , EMMessageSenderInfo
• remindType : EMSilentModeParam , EMSilentModeResult
• remotePath : EMFileMessageBody
• removeAdmin:fromChatroom:completion: : <IEMChatroomManager>
• removeAdmin:fromChatroom:error: : <IEMChatroomManager>
• removeAdmin:fromGroup:completion: : <IEMGroupManager>
• removeAdmin:fromGroup:error: : <IEMGroupManager>
• removeChatroomAttribute:key:completionBlock: : <IEMChatroomManager>
• removeChatroomAttributeForced:key:completionBlock: : <IEMChatroomManager>
• removeChatroomAttributes:attributes:completionBlock: : <IEMChatroomManager>
• removeChatroomAttributesForced:attributes:completionBlock: : <IEMChatroomManager>
• removeConversationMark:mark:completion: : <IEMChatManager>
• removeDelegate: : EMClient , <IEMChatManager> , <IEMChatroomManager> , <IEMContactManager> , <IEMGroupManager> , <IEMPresenceManager> , <IEMThreadManager> , <IEMUserInfoManager>
• removeGroupSharedFileWithId:sharedFileId:completion: : <IEMGroupManager>
• removeGroupSharedFileWithId:sharedFileId:error: : <IEMGroupManager>
• removeLogDelegate: : EMClient
• removeMemberFromChatThread:threadId:completion: : <IEMThreadManager>
• removeMembers:fromChatroom:completion: : <IEMChatroomManager>
• removeMembers:fromChatroom:error: : <IEMChatroomManager>
• removeMembers:fromGroup:completion: : <IEMGroupManager>
• removeMessagesFromServerMessageIds:completion: : EMConversation
• removeMessagesFromServerWithConversation:messageIds:completion: : <IEMChatManager>
• removeMessagesFromServerWithConversation:timeStamp:completion: : <IEMChatManager>
• removeMessagesFromServerWithTimeStamp:completion: : EMConversation
• removeMessagesStart:to: : EMConversation
• removeMultiDevicesDelegate: : EMClient
• removeOccupants:fromGroup:error: : <IEMGroupManager>
• removeReaction:fromMessage:completion: : <IEMChatManager>
• removeUserFromBlackList: : <IEMContactManager>
• removeUserFromBlackList:completion: : <IEMContactManager>
• removeWhiteListMembers:fromChatroom:completion: : <IEMChatroomManager>
• removeWhiteListMembers:fromChatroom:error: : <IEMChatroomManager>
• removeWhiteListMembers:fromGroup:completion: : <IEMGroupManager>
• removeWhiteListMembers:fromGroup:error: : <IEMGroupManager>
• renewToken: : EMClient
• renewToken:completion: : EMClient
• reportMessageWithId:tag:reason:completion: : <IEMChatManager>
• requestToJoinPublicGroup:message:completion: : <IEMGroupManager>
• resendMessage:progress:completion: : <IEMChatManager>
• resource : EMDeviceConfig
• restServer : EMOptions(PrivateDeploy) , EMOptions
• role : EMGroupMemberInfo
• roomManager : EMClient