This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 1234]

▼C<__covariant ObjectType>
CAgoraChatCursorResult
CAgoraChatPageResult
CAgoraChatOptions(PrivateDeploy)
▼C<NSCoding>
CAgoraChatContact
CAgoraChatSilentModeResult
CAgoraChatSilentModeTime
▼C<NSCopying>
CAgoraChatSilentModeResult
CAgoraChatSilentModeTime
CAgoraChatUserInfo
▼CNSObject
CAgoraChatClient
CAgoraChatContact
CAgoraChatConversation
CAgoraChatConversationFilter
CAgoraChatDeviceConfig
CAgoraChatError
CAgoraChatFetchServerMessagesOption
CAgoraChatGroup
CAgoraChatGroupMessageAck
CAgoraChatGroupOptions
CAgoraChatGroupSharedFile
CAgoraChatLocalNotificationManager
CAgoraChatLoginExtensionInfo
CAgoraChatMessage
▼CAgoraChatMessageBody
CAgoraChatCmdMessageBody
CAgoraChatCustomMessageBody
▼CAgoraChatFileMessageBody
CAgoraChatCombineMessageBody
CAgoraChatImageMessageBody
CAgoraChatVideoMessageBody
CAgoraChatVoiceMessageBody
CAgoraChatLocationMessageBody
CAgoraChatTextMessageBody
CAgoraChatMessagePinInfo
CAgoraChatMessageReaction
CAgoraChatMessageReactionChange
CAgoraChatMessageReactionOperation
CAgoraChatMessageStatistics
CAgoraChatOptions
CAgoraChatPresence
CAgoraChatPresenceStatusDetail
CAgoraChatPushOptions
CAgoraChatRecallMessageInfo
CAgoraChatSilentModeParam
CAgoraChatSilentModeResult
CAgoraChatSilentModeTime
CAgoraChatThread
CAgoraChatThreadEvent
CAgoraChatTranslateLanguage
CAgoraChatTranslationResult
CAgoraChatUserInfo
CAgoraChatroom
CAgoraChatroomOptions
CNSObject(Coding)
▼C<NSObject>
C<AgoraChatClientDelegate>
C<AgoraChatContactManagerDelegate>
C<AgoraChatGroupManagerDelegate>
C<AgoraChatLocalNotificationDelegate>
C<AgoraChatLogDelegate>
C<AgoraChatManagerDelegate>
C<AgoraChatMultiDevicesDelegate>
C<AgoraChatPresenceManagerDelegate>
C<AgoraChatThreadManagerDelegate>
C<AgoraChatroomManagerDelegate>
C<IAgoraChatContactManager>
C<IAgoraChatGroupManager>
C<IAgoraChatManager>
C<IAgoraChatPresenceManager>
C<IAgoraChatPushManager>
C<IAgoraChatStatisticsManager>
C<IAgoraChatThreadManager>
C<IAgoraChatTranslateManager>
C<IAgoraChatUserInfoManager>
C<IAgoraChatroomManager>