这里列出了所有类成员，并附带类的详细说明:

- u -

• uid : v2::V2NIMSignallingMember
• uid_ : nim::SignalingAcceptParam, nim::SignalingCallParam, nim::SignalingJoinAndAcceptParam, nim::SignalingJoinParam, nim::SignalingMemberInfo, NIMSignalingAcceptParam, NIMSignalingCallParam, NIMSignalingJoinAndAcceptParam, NIMSignalingJoinParam, NIMSignalingMemberInfo
• UInt : nim_cpp_wrapper_util::Json::Value
• UInt64 : nim_cpp_wrapper_util::Json::Value
• uint_ : nim_cpp_wrapper_util::Json::Value::ValueHolder
• UnbanMember() : nim::Server
• unindent() : nim_cpp_wrapper_util::Json::BuiltStyledStreamWriter, nim_cpp_wrapper_util::Json::StyledStreamWriter, nim_cpp_wrapper_util::Json::StyledWriter
• uninit() : v2::internal::V2NIMChatroomSdkExport, v2::V2NIMChatroomClient, v2::V2NIMClient
• uninitialized_move_n() : phmap::priv::btree_node< Params >
• uninitImpl() : v2::V2NIMClient
• unique_id : nim::CollectInfo
• uniqueId : v2::V2NIMAddCollectionParams, v2::V2NIMCollection, v2::V2NIMCustomUserStatusPublishResult, v2::V2NIMUserStatus
• UniqueLock : phmap::LockableImpl< Mtx_ >, phmap::LockableImpl< phmap::NullMutex >
• UniqueLocks : phmap::LockableImpl< Mtx_ >, phmap::LockableImpl< phmap::NullMutex >
• UnLoadSdkDll() : nim::SDKInstance
• unlock() : nstd::_spinlock, phmap::LockableBaseImpl< MutexType >::ReadLock, phmap::LockableBaseImpl< MutexType >::WriteLock, phmap::NullMutex
• unlock_shared() : phmap::NullMutex
• UnPinMessage() : nim::TalkEx::PinMsg
• unpinMessage() : v2::V2NIMMessageService
• UnPinMessageCallback : nim::TalkEx::PinMsg
• UnPinMessageNotifyCallback : nim::TalkEx::PinMsg
• UnpublishVideo() : nim::VChat
• unread_count : NIMQChatServerUnreadInfo, NIMQChatUnreadInfo
• unread_count_ : nim::SessionData, nim::SessionDataList
• unread_count_map_ : nim::SessionDataList
• unread_info : nim::QChatMarkMessageReadResp, NIMQChatMarkMessageReadResp
• unread_info_count : NIMQChatChannelQueryUnreadInfoResp
• unread_infos : nim::QChatChannelQueryUnreadInfoResp, nim::QChatChannelSubscribeResp, nim::QChatChannelUnreadResp, nim::QChatServerSubscribeAllChannelResp, nim::QChatServerUnreadResp, NIMQChatChannelQueryUnreadInfoResp, NIMQChatChannelSubscribeResp, NIMQChatChannelUnreadResp, NIMQChatServerSubscribeAllChannelResp, NIMQChatServerUnreadResp
• unread_infos_count : NIMQChatChannelSubscribeResp, NIMQChatChannelUnreadResp, NIMQChatServerSubscribeAllChannelResp, NIMQChatServerUnreadResp
• unreadAccountList : v2::V2NIMTeamMessageReadReceiptDetail
• unreadCount : v2::V2NIMConversation, v2::V2NIMTeamMessageReadReceipt
• unreadEnabled : v2::V2NIMMessageConfig, v2::V2NIMNotificationConfig, v2::V2NIMSignallingConfig, v2::V2NIMSignallingEvent
• UnregAllCb() : nim::TalkEx::PinMsg, nim::TalkEx::QuickComment
• UnregChatroomCb() : nim_chatroom::ChatRoom
• UnregClientCb() : nim::Client
• UnregDataSyncCb() : nim::DataSync
• UnregFriendCb() : nim::Friend
• Unregister() : phmap::priv::HashtablezSampler
• unRegisterCustomAttachmentParser() : v2::V2NIMChatroomService, v2::V2NIMMessageService
• UnregMsglogCb() : nim::MsgLog
• UnregMsgologCb() : nim::MsgLog
• UnregNosCb() : nim::NOS
• UnregRobotCb() : nim::Robot
• UnregSessionCb() : nim::Session
• UnregSessionOnLineServiceCb() : nim::SessionOnLineService
• UnregSuperTeamCb() : nim::SuperTeam
• UnregSysmsgCb() : nim::SystemMsg
• UnregTalkCb() : nim::Talk
• UnregTeamCb() : nim::Team
• UnregUserCb() : nim::User
• UnsafeanyCast : nstd::any
• UnSubscribe() : nim::SubscribeEvent
• UnSubscribeEventCallback : nim::SubscribeEvent
• unsubscribeUnreadCountByFilter() : v2::V2NIMConversationService
• unsubscribeUserStatus() : v2::V2NIMSubscriptionService
• UnsubscribeVideo() : nim::VChat
• unused_flag : NIMQChatCleanupParam
• Update() : nim::Friend, nim::FriendProfile, nim::Message, nim::SuperTeamInfo, nim::SystemNotification, nim::TeamInfo, nim::UserNameCard
• update_accid : nim::QChatApplyInfoData, NIMQChatApplyInfoData
• update_content : nim::QChatMessage, NIMQChatMessage
• update_count : NIMQChatBatchUpdateServerRolePrioritiesParam
• update_info : nim::QChatDeleteMessageParam, nim::QChatMsgUpdatedResp, nim::QChatRevokeMessageParam, nim::QChatSystemNotificationUpdatedResp, nim::QChatUpdateMessageParam, nim::QChatUpdateSystemNotificationParam, NIMQChatDeleteMessageParam, NIMQChatMsgUpdatedResp, NIMQChatRevokeMessageParam, NIMQChatSystemNotificationUpdatedResp, NIMQChatUpdateMessageParam, NIMQChatUpdateSystemNotificationParam
• update_ope_info : nim::QChatMessage, NIMQChatMessage
• update_postscript : nim::QChatApplyInfoData, nim::QChatBeInvitedInfoData, nim::QChatInviteUserInfo, nim::QChatJoinByInviteCodeInfoData, NIMQChatApplyInfoData, NIMQChatBeInvitedInfoData, NIMQChatInviteUserInfo, NIMQChatJoinByInviteCodeInfoData
• update_priority_info : NIMQChatBatchUpdateServerRolePrioritiesParam
• update_time : nim::CollectInfo, nim::PinMessageInfo, nim::QChatChannelCategoryInfo, nim::QChatChannelCategoryMemberRoleInfo, nim::QChatChannelInfo, nim::QChatInviteApplyRecord, nim::QChatInviteUserInfo, nim::QChatMemberBanInfo, nim::QChatMemberInfo, nim::QChatMemberRoleInfo, nim::QChatRoleInfoBase, nim::QChatServerInfo, NIMQChatChannelCategoryInfo, NIMQChatChannelCategoryMemberRoleInfo, NIMQChatChannelInfo, NIMQChatInviteApplyRecord, NIMQChatInviteUserInfo, NIMQChatMemberBanInfo, NIMQChatMemberInfo, NIMQChatMemberRoleInfo, NIMQChatRoleInfo, NIMQChatServerInfo
• update_time_ : nim::SessionOnLineServiceHelper::SessionInfo, nim::StickTopSessionInfo
• update_timestamp : nim::QChatMessage, nim::QChatSystemNotification, NIMQChatMessage, NIMQChatSystemNotification
• update_timetag_ : nim::BlackMuteListInfo, nim::FriendProfile, nim::UserNameCard, nim_chatroom::ChatRoomMemberInfo
• updateAppKey() : v2::V2NIMChatroomClient, v2::V2NIMClient
• UpdateCategoryInfo() : nim::Channel
• UpdateChannel() : nim::Channel
• UpdateChannelCategory() : nim::ChannelCategory
• UpdateChannelCategoryMemberRole() : nim::Role
• UpdateChannelCategoryRole() : nim::Role
• UpdateChannelCategoryWhiteBlackMembers() : nim::ChannelCategory
• UpdateChannelCategoryWhiteBlackRole() : nim::ChannelCategory
• UpdateChannelRole() : nim::Role
• updateChatroomInfo() : v2::V2NIMChatroomService
• updateChatroomLocationInfo() : v2::V2NIMChatroomService
• updateChatroomTags() : v2::V2NIMChatroomService
• UpdateCollectCallback : nim::TalkEx::Collect
• UpdateCollectExt() : nim::TalkEx::Collect
• updateCollectionExtension() : v2::V2NIMMessageService
• updateConversation() : v2::V2NIMConversationService
• updateConversationGroup() : v2::V2NIMConversationGroupService
• updateConversationLocalExtension() : v2::V2NIMConversationService
• updated_infos : nim::QChatSystemNotificationDataMyMemberInfoUpdated, NIMQChatSystemNotificationDataMyMemberInfoUpdated
• updated_infos_count : NIMQChatSystemNotificationDataMyMemberInfoUpdated
• updatedTeamInfo : v2::V2NIMMessageTeamNotificationAttachment
• updateExtensionMode : v2::V2NIMCreateTeamParams, v2::V2NIMTeam, v2::V2NIMUpdateTeamInfoParams
• UpdateHasmoreRoammsg() : nim::Session
• UpdateHasmoreRoammsgCallback : nim::Session
• updateInfoMode : v2::V2NIMCreateTeamParams, v2::V2NIMTeam, v2::V2NIMUpdateTeamInfoParams
• UpdateLocalExtAsync() : nim::MsgLog
• UpdateLocalExtCallback : nim::MsgLog
• UpdateLocation() : nim_chatroom::ChatRoom
• UpdateLocationCallback : nim_chatroom::ChatRoom
• UpdateMemberInfo() : nim::Server
• UpdateMemberRole() : nim::Role
• updateMemberRole() : v2::V2NIMChatroomService
• updateMessageLocalExtension() : v2::V2NIMMessageService
• UpdateMyPropertyAsync() : nim::SuperTeam, nim::Team
• UpdateMyRoomRoleAsync() : nim_chatroom::ChatRoom
• UpdateMyRoomRoleCallback : nim_chatroom::ChatRoom
• UpdateMyUserNameCard() : nim::User
• UpdateMyUserNameCardCallback : nim::User
• UpdateOtherNickAsync() : nim::SuperTeam, nim::Team
• UpdatePinMessage() : nim::TalkEx::PinMsg
• updatePinMessage() : v2::V2NIMMessageService
• UpdatePinMessageCallback : nim::TalkEx::PinMsg
• UpdatePinMessageNotifyCallback : nim::TalkEx::PinMsg
• UpdatePushToken() : nim::User
• UpdateRoomInfoAsync() : nim_chatroom::ChatRoom
• UpdateRoomInfoCallback : nim_chatroom::ChatRoom
• UpdateRTCInfo() : nim::Channel
• UpdateRtmpUrl() : nim::VChat
• updateSelfMemberInfo() : v2::V2NIMChatroomService
• updateSelfTeamMemberInfo() : v2::V2NIMTeamService
• updateSelfUserProfile() : v2::V2NIMUserService
• UpdateServer() : nim::Server
• UpdateServerRole() : nim::Role
• UpdateServerRolePriorities() : nim::Role
• UpdateSession() : nim::SessionOnLineService
• UpdateSessionInfoCallback : nim::SessionOnLineService
• UpdateStickTopSessionCallback : nim::Session
• UpdateStickTopSessionNotifyCallback : nim::Session
• UpdateSuperTeamInfoAsync() : nim::SuperTeam
• UpdateTags() : nim_chatroom::ChatRoom
• UpdateTagsCallback : nim_chatroom::ChatRoom
• updateTeamInfo() : v2::V2NIMTeamService
• UpdateTeamInfoAsync() : nim::Team
• updateTeamMemberNick() : v2::V2NIMTeamService
• updateTeamMemberRole() : v2::V2NIMTeamService
• updateTime : v2::V2NIMChatroomMember, v2::V2NIMCollection, v2::V2NIMConversation, v2::V2NIMConversationGroup, v2::V2NIMFriend, v2::V2NIMMessagePin, v2::V2NIMTeam, v2::V2NIMTeamMember, v2::V2NIMTeamMemberUpdateParams, v2::V2NIMUser
• UpdateTInfoLocal() : nim::Team
• UpdateTInfoLocalCallback : nim::Team
• UpdateToStickTopSession() : nim::Session
• UpdateWhiteBlackMembers() : nim::Channel
• UpdateWhiteBlackRole() : nim::Channel
• UpgradeLock : phmap::LockableImpl< Mtx_ >, phmap::LockableImpl< phmap::NullMutex >
• UpgradeToUnique : phmap::LockableImpl< Mtx_ >, phmap::LockableImpl< phmap::NullMutex >
• Upload() : nim::Attachment
• upload_file_path : nim::DocTransInfo
• upload_sdk_events_after_login_ : nim::SDKConfig
• UploadCallbackExUserData() : nim::UploadCallbackExUserData
• UploadCallbackUserData() : nim::UploadCallbackUserData
• uploadFile() : v2::V2NIMStorageService
• UploadMediaCallback : nim::NOS
• UploadMediaExCallback : nim::NOS
• UploadMediaResult() : nim::UploadMediaResult
• uploadParams : v2::V2NIMUploadFileTask
• UploadResource() : nim::NOS
• UploadResource2() : nim::NOS
• UploadResourceEx() : nim::NOS
• UploadResourceEx2() : nim::NOS
• UploadSDKLog() : nim::Global
• UploadSDKLogAsync() : nim::Global
• uploadState : v2::V2NIMMessageFileAttachment
• upper_bound() : phmap::priv::btree< Params >, phmap::priv::btree_container< Tree >, phmap::priv::btree_node< Params >
• upper_bound_adapter() : phmap::priv::upper_bound_adapter< Compare >
• url : nim::QChatAttachmentCustomTokenResp, nim::QChatAttachmentDownloadParam, nim::QChatAttachmentUploadResp, NIMQChatAttachmentCustomTokenResp, NIMQChatAttachmentDownloadParam, NIMQChatAttachmentUploadResp, NIMQChatAudioAttach, NIMQChatFileAttach, NIMQChatImageAttach, NIMQChatVideoAttach, v2::V2NIMGetMediaResourceInfoResult, v2::V2NIMMessageFileAttachment
• url_ : nim::AudioInfo, nim::IMFile, nim::UploadMediaResult
• url_prefix_ : nim::DocTransInfo
• use_custom_content : nim::QChatMessageAntiSpamInfo, NIMQChatMessageAntiSpamInfo
• use_https_ : nim::SDKConfig
• use_linear_search : phmap::priv::btree_node< Params >
• use_private_server_ : nim::SDKConfig
• useHttpdns : v2::V2NIMBasicOption
• useHttps : v2::V2NIMBasicOption
• user_data : NIMQChatAddChannelCategoryMemberRoleParam, NIMQChatAddChannelCategoryMemberRoleResp, NIMQChatAddChannelCategoryRoleParam, NIMQChatAddChannelRoleParam, NIMQChatAddChannelRoleResp, NIMQChatAddMemberRoleParam, NIMQChatAddMemberRoleResp, NIMQChatAddMembersToServerRoleParam, NIMQChatAddMembersToServerRoleResp, NIMQChatAddQuickCommentParam, NIMQChatAreMentionedMeMessagesParam, NIMQChatAreMentionedMeMessagesResp, NIMQChatAttachmentCustomTokenResp, NIMQChatAttachmentDownloadParam, NIMQChatAttachmentDownloadResp, NIMQChatAttachmentProgressResp, NIMQChatAttachmentRegCustomTokenCbParam, NIMQChatAttachmentRegDownloadCbParam, NIMQChatAttachmentRegProgressCbParam, NIMQChatAttachmentRegUploadCbParam, NIMQChatAttachmentUploadParam, NIMQChatAttachmentUploadResp, NIMQChatBaseResp, NIMQChatBatchUpdateServerRolePrioritiesParam, NIMQChatChannelCategoryCreateParam, NIMQChatChannelCategoryCreateResp, NIMQChatChannelCategoryGetExistingWhiteBlackMembersParam, NIMQChatChannelCategoryGetExistingWhiteBlackRolesParam, NIMQChatChannelCategoryGetExistingWhiteBlackRolesResp, NIMQChatChannelCategoryGetWhiteBlackMembersPageParam, NIMQChatChannelCategoryGetWhiteBlackMembersPageResp, NIMQChatChannelCategoryGetWhiteBlackMembersResp, NIMQChatChannelCategoryGetWhiteBlackRolesPageParam, NIMQChatChannelCategoryGetWhiteBlackRolesPageResp, NIMQChatChannelCategoryRemoveParam, NIMQChatChannelCategoryUpdateParam, NIMQChatChannelCategoryUpdateWhiteBlackMembersParam, NIMQChatChannelCategoryUpdateWhiteBlackRoleParam, NIMQChatChannelCreateParam, NIMQChatChannelCreateResp, NIMQChatChannelDeleteParam, NIMQChatChannelGetCategoriesByIDParam, NIMQChatChannelGetCategoriesByIDResp, NIMQChatChannelGetCategoriesPageParam, NIMQChatChannelGetCategoriesPageResp, NIMQChatChannelGetCategoryChannelsPageParam, NIMQChatChannelGetChannelsPageParam, NIMQChatChannelGetChannelsPageResp, NIMQChatChannelGetChannelsParam, NIMQChatChannelGetChannelsResp, NIMQChatChannelGetExistingWhiteBlackMembersParam, NIMQChatChannelGetExistingWhiteBlackMembersResp, NIMQChatChannelGetExistingWhiteBlackRolesParam, NIMQChatChannelGetExistingWhiteBlackRolesResp, NIMQChatChannelGetMembersPageParam, NIMQChatChannelGetRTCInfoParam, NIMQChatChannelGetRTCInfoResp, NIMQChatChannelGetRTCOnlineMembersParam, NIMQChatChannelGetRTCOnlineMembersResp, NIMQChatChannelGetWhiteBlackMembersPageParam, NIMQChatChannelGetWhiteBlackMembersPageResp, NIMQChatChannelGetWhiteBlackRolesPageParam, NIMQChatChannelGetWhiteBlackRolesPageResp, NIMQChatChannelMemberSearchParam, NIMQChatChannelMemberSearchResp, NIMQChatChannelQueryUnreadInfoParam, NIMQChatChannelQueryUnreadInfoResp, NIMQChatChannelRegUnreadCbParam, NIMQChatChannelSearchPageParam, NIMQChatChannelSubscribeAsVisitorParam, NIMQChatChannelSubscribeAsVisitorResp, NIMQChatChannelSubscribeParam, NIMQChatChannelSubscribeResp, NIMQChatChannelUnreadResp, NIMQChatChannelUpdateCategoryInfoParam, NIMQChatChannelUpdateParam, NIMQChatChannelUpdateRTCInfoParam, NIMQChatChannelUpdateWhiteBlackMembersParam, NIMQChatChannelUpdateWhiteBlackRoleParam, NIMQChatCheckPermissionParam, NIMQChatCheckPermissionResp, NIMQChatCheckPermissionsParam, NIMQChatCheckPermissionsResp, NIMQChatCreateServerRoleParam, NIMQChatCreateServerRoleResp, NIMQChatCustomTokenResp, NIMQChatDeleteMessageParam, NIMQChatDeleteServerRoleParam, NIMQChatDeleteTextCacheParam, NIMQChatGetChannelCategoryMemberRolesPageParam, NIMQChatGetChannelCategoryMemberRolesPageResp, NIMQChatGetChannelCategoryRolesPageParam, NIMQChatGetChannelRolesParam, NIMQChatGetChannelRolesResp, NIMQChatGetExistingAccidsInServerRoleParam, NIMQChatGetExistingAccidsOfMemberRolesParam, NIMQChatGetExistingAccidsOfMemberRolesResp, NIMQChatGetExistingRolesInChannelParam, NIMQChatGetLastMessagesParam, NIMQChatGetMemberRolesParam, NIMQChatGetMemberRolesResp, NIMQChatGetMembersFromServerRoleParam, NIMQChatGetMembersFromServerRoleResp, NIMQChatGetMentionedMeMessagesParam, NIMQChatGetMessageHistoryByIdsParam, NIMQChatGetMessagesCacheParam, NIMQChatGetMessagesParam, NIMQChatGetMessagesResp, NIMQChatGetQuickCommentsParam, NIMQChatGetQuickCommentsResp, NIMQChatGetReferMessagesParam, NIMQChatGetRTCTokenParam, NIMQChatGetRTCTokenResp, NIMQChatGetServerRolesByMemberIdsParam, NIMQChatGetServerRolesByMemberIdsResp, NIMQChatGetServerRolesByMembersIdParam, NIMQChatGetServerRolesParam, NIMQChatGetServerRolesResp, NIMQChatGetTextCacheParam, NIMQChatGetTextCacheResp, NIMQChatGetThreadMessagesParam, NIMQChatGetThreadMessagesResp, NIMQChatGetThreadRootMessagesMetaParam, NIMQChatGetThreadRootMessagesMetaResp, NIMQChatInsertOrReplaceTextCacheParam, NIMQChatKickedResp, NIMQChatKickParam, NIMQChatKickResp, NIMQChatLoginParam, NIMQChatLoginResp, NIMQChatLoginStatusResp, NIMQChatLogoutParam, NIMQChatLogoutResp, NIMQChatMarkMessageReadParam, NIMQChatMarkMessageReadResp, NIMQChatMarkSystemNotificationsReadParam, NIMQChatMessageSearchPageParam, NIMQChatMessageSearchPageResp, NIMQChatMsgUpdatedResp, NIMQChatMultispotLoginResp, NIMQChatRecvMsgResp, NIMQChatRecvSystemNotificationResp, NIMQChatRecvTypingEventResp, NIMQChatRegCustomTokenCbParam, NIMQChatRegKickedCbParam, NIMQChatRegLoginStatusCbParam, NIMQChatRegMsgUpdatedCbParam, NIMQChatRegMultispotLoginCbParam, NIMQChatRegRecvMsgCbParam, NIMQChatRegRecvSystemNotificationCbParam, NIMQChatRegRecvTypingEventCbParam, NIMQChatRegSDKLogCbParam, NIMQChatRegSystemNotificationUpdatedCbParam, NIMQChatRemoveChannelCategoryMemberRoleParam, NIMQChatRemoveChannelCategoryRoleParam, NIMQChatRemoveChannelRoleParam, NIMQChatRemoveMemberRoleParam, NIMQChatReplyMessageParam, NIMQChatRevokeMessageParam, NIMQChatSDKLogResp, NIMQChatSendMessageParam, NIMQChatSendMessageResp, NIMQChatSendSystemNotificationParam, NIMQChatSendSystemNotificationResp, NIMQChatSendTypingEventParam, NIMQChatSendTypingEventResp, NIMQChatServerAcceptApplyParam, NIMQChatServerAcceptInviteParam, NIMQChatServerApplyParam, NIMQChatServerApplyResp, NIMQChatServerBanMemberParam, NIMQChatServerCreateParam, NIMQChatServerCreateResp, NIMQChatServerDeleteParam, NIMQChatServerEnterAsVisitorParam, NIMQChatServerGenerateInviteCodeParam, NIMQChatServerGenerateInviteCodeResp, NIMQChatServerGetBannedMembersPageParam, NIMQChatServerGetBannedMembersPageResp, NIMQChatServerGetInviteApplyRecordOfSelfParam, NIMQChatServerGetInviteApplyRecordOfServerParam, NIMQChatServerGetInviteApplyRecordOfServerResp, NIMQChatServerGetMembersPageParam, NIMQChatServerGetMembersPageResp, NIMQChatServerGetMembersParam, NIMQChatServerGetMembersResp, NIMQChatServerGetServersPageParam, NIMQChatServerGetServersPageResp, NIMQChatServerGetServersParam, NIMQChatServerGetServersResp, NIMQChatServerInviteParam, NIMQChatServerInviteResp, NIMQChatServerJoinByInviteCodeParam, NIMQChatServerKickParam, NIMQChatServerLeaveAsVisitorParam, NIMQChatServerLeaveParam, NIMQChatServerMarkReadParam, NIMQChatServerMarkReadResp, NIMQChatServerMemberSearchParam, NIMQChatServerRegUnreadCbParam, NIMQChatServerRejectApplyParam, NIMQChatServerRejectInviteParam, NIMQChatServerSearchPageParam, NIMQChatServerSubscribeAllChannelParam, NIMQChatServerSubscribeAllChannelResp, NIMQChatServerSubscribeAsVisitorParam, NIMQChatServerSubscribeParam, NIMQChatServerSubscribeResp, NIMQChatServerUnbanMemberParam, NIMQChatServerUnreadResp, NIMQChatServerUpdateMemberInfoParam, NIMQChatServerUpdateParam, NIMQChatSystemNotificationUpdatedResp, NIMQChatUpdateChannelCategoryMemberRoleParam, NIMQChatUpdateChannelCategoryRoleParam, NIMQChatUpdateChannelRoleParam, NIMQChatUpdateMemberRoleParam, NIMQChatUpdateMessageParam, NIMQChatUpdateMessageResp, NIMQChatUpdateServerRoleParam, NIMQChatUpdateServerRoleResp, NIMQChatUpdateSystemNotificationParam, NIMQChatUpdateSystemNotificationResp
• user_data_ : NIMLogsBackupExportInfo, NIMLogsBackupImportInfo
• user_datafile_localbackup_folder_ : nim::SDKConfig
• userInfoConfig : v2::V2NIMChatroomMessage
• userInfoTimestamp : v2::V2NIMUserInfoConfig
• UserNameCard() : nim::UserNameCard
• UserNameCardChangedCallback : nim::User
• userProfile : v2::V2NIMFriend
• useSpecialFloats_ : nim_cpp_wrapper_util::Json::BuiltStyledStreamWriter