Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 12345]

▼Pio
▼Pagora
▼Pchat
CChatCheckType
CChatClient
CChatManager
▼CChatMessage
CChatType
CDirect
CStatus
CType
CChatOptions
▼CChatRoom
CChatRoomPermissionType
CChatRoomManager
▼CChatStatisticsManager
CSearchMessageDirect
CSearchMessageType
CChatThread
CChatThreadManager
CCmdMessageBody
CContact
CContactManager
▼CConversation
CChatMessageSearchScope
CConversationType
CEMMarkType
CSearchDirection
CConversationFilter
CCursorResult
CCustomConversationFilter
CCustomMessageBody
CDeviceInfo
CEMEncryptProvider
CFetchMessageOption
▼CFileMessageBody
CEMDownloadStatus
▼CGroup
CGroupPermissionType
CGroupInfo
▼CGroupManager
CGroupStyle
CGroupMemberInfo
CGroupOptions
CGroupReadAck
CImageMessageBody
CLocationMessageBody
CMessageBody
▼CMessagePinInfo
CPinOperation
CMessageReaction
CMessageReactionChange
▼CMessageReactionOperation
COperation
CMucSharedFile
CNormalFileMessageBody
CPageResult
CPresence
CPresenceManager
CPushConfigs
▼CPushManager
CDisplayStyle
CEMPushAction
CPushRemindType
CRTCTokenInfo
▼CSilentModeParam
CSilentModeParamType
CSilentModeResult
CSilentModeTime
CTextMessageBody
CUserInfo
CUserInfoManager
CVideoMessageBody
CVoiceMessageBody
▼Pexceptions
CChatException
▼Ppush
CPushConfig
CPushHelper
CPushListener
CPushType
CCallBack
CChatRoomChangeListener
CChatThreadChangeListener
CConnectionListener
CContactListener
CConversationListener
CError
CGroupChangeListener
CMessageListener
CMultiDeviceListener
CPresenceListener
CResultCallBack
CValueCallBack