import { ChatThreadClientState } from '@internal/chat-stateful-client' ; import type { ChatMessage , ChatParticipant } from '@azure/communication-chat' ; import type { CommunicationIdentifierKind , CommunicationUserKind } from '@azure/communication-common' ; import type { AdapterState , Disposable , AdapterErrors , AdapterError } from '../../common/adapters' ; /**
 *  ChatAdapter state for pure UI purposes.
 *
 *  public export type ChatAdapterUiState = { error ? : Error ; } ; /**
 *  ChatAdapter state inferred from Azure Communication Services backend.
 *
 *  public export type ChatCompositeClientState = { userId : CommunicationIdentifierKind ; displayName : string ; thread : ChatThreadClientState ; /**
     * Latest error encountered for each operation performed via the adapter.
     */ latestErrors : AdapterErrors ; } ; /**
 *  ChatAdapter state.
 *
 *  public export type ChatAdapterState = ChatAdapterUiState & ChatCompositeClientState ; public export interface ChatAdapterThreadManagement { /**
     * Fetch initial state for the Chat adapter.
     *
     * Performs the minimal fetch necessary for ChatComposite and API methods.
     */ fetchInitialData ( ) : Promise < void > ; /**
     * Send a message in the thread.
     */ sendMessage ( content ) : Promise < void > ; /**
     * Send a read receipt for a message.
     */ sendReadReceipt ( chatMessageId ) : Promise < void > ; /**
     * Send typing indicator in the thread.
     */ sendTypingIndicator ( ) : Promise < void > ; /**
     * Remove a participant in the thread.
     */ removeParticipant ( userId ) : Promise < void > ; /**
     * Set the topic for the thread.
     */ setTopic ( topicName ) : Promise < void > ; /**
     * Update a message content.
     */ updateMessage ( messageId , content ) : Promise < void > ; /**
     * Delete a message in the thread.
     */ deleteMessage ( messageId ) : Promise < void > ; remarks loadPreviousChatMessages ( messagesToLoad ) : Promise < boolean > ; } public export interface ChatAdapterSubscribers { /**
     * Subscribe function for 'messageReceived' event.
     */ on ( event , listener ) : void ; /**
     * Subscribe function for 'messageSent' event.
     */ on ( event , listener ) : void ; /**
     * Subscribe function for 'messageRead' event.
     */ on ( event , listener ) : void ; /**
     * Subscribe function for 'participantsAdded' event.
     */ on ( event , listener ) : void ; /**
     * Subscribe function for 'participantsRemoved' event.
     */ on ( event , listener ) : void ; /**
     * Subscribe function for 'topicChanged' event.
     */ on ( event , listener ) : void ; /**
     * Subscribe function for 'error' event.
     */ on ( event , listener ) : void ; /**
     * Unsubscribe function for 'messageReceived' event.
     */ off ( event , listener ) : void ; /**
     * Unsubscribe function for 'messageSent' event.
     */ off ( event , listener ) : void ; /**
     * Unsubscribe function for 'messageRead' event.
     */ off ( event , listener ) : void ; /**
     * Unsubscribe function for 'participantsAdded' event.
     */ off ( event , listener ) : void ; /**
     * Unsubscribe function for 'participantsRemoved' event.
     */ off ( event , listener ) : void ; /**
     * Unsubscribe function for 'topicChanged' event.
     */ off ( event , listener ) : void ; /**
     * Unsubscribe function for 'error' event.
     */ off ( event , listener ) : void ; } /**
 *  ChatComposite Adapter interface.
 *
 *  public export interface ChatAdapter extends ChatAdapterThreadManagement , AdapterState < ChatAdapterState > , Disposable , ChatAdapterSubscribers { } /**
 * Callback for  ChatAdapterSubscribers 'messageReceived' event.
 *
 *  public export type MessageReceivedListener = ( event : { message : ChatMessage ; } ) => void ; /**
 * Callback for  ChatAdapterSubscribers 'messageSent' event.
 *
 *  public export type MessageSentListener = MessageReceivedListener ; /**
 * Callback for  ChatAdapterSubscribers 'messageRead' event.
 *
 *  public export type MessageReadListener = ( event : { message : ChatMessage ; readBy : CommunicationUserKind ; } ) => void ; /**
 * Callback for  ChatAdapterSubscribers 'participantsAdded' event.
 *
 *  public export type ParticipantsAddedListener = ( event : { participantsAdded : ChatParticipant [ ] ; addedBy : ChatParticipant ; } ) => void ; /**
 * Callback for  ChatAdapterSubscribers 'participantsRemoved' event.
 *
 *  public export type ParticipantsRemovedListener = ( event : { participantsRemoved : ChatParticipant [ ] ; removedBy : ChatParticipant ; } ) => void ; /**
 * Callback for  ChatAdapterSubscribers 'topicChanged' event.
 *
 *  public export type TopicChangedListener = ( event : { topic : string ; } ) => void ;