import { ChatAdapter, ChatSDKMessage, GetAgentAvailabilityResponse, GetLiveChatTranscriptResponse, GetPersistentChatHistoryResponse, GetVoiceVideoCallingResponse, IFileInfo, IRawMessage, MaskingRules, OmnichannelChatSDK, VoiceVideoCallingOptionalParams } from "@microsoft/omnichannel-chat-sdk";
import { IFacadeChatSDKInput } from "./types/IFacadeChatSDKInput";
import ChatAdapterOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/messaging/ChatAdapterOptionalParams";
import ChatConfig from "@microsoft/omnichannel-chat-sdk/lib/core/ChatConfig";
import ChatReconnectContext from "@microsoft/omnichannel-chat-sdk/lib/core/ChatReconnectContext";
import ChatReconnectOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/ChatReconnectOptionalParams";
import ChatTranscriptBody from "@microsoft/omnichannel-chat-sdk/lib/core/ChatTranscriptBody";
import EmailLiveChatTranscriptOptionaParams from "@microsoft/omnichannel-chat-sdk/lib/core/EmailLiveChatTranscriptOptionalParams";
import EndChatOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/EndChatOptionalParams";
import FileMetadata from "@microsoft/omnichannel-amsclient/lib/FileMetadata";
import GetAgentAvailabilityOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/GetAgentAvailabilityOptionalParams";
import GetChatTokenOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/GetChatTokenOptionalParams";
import GetConversationDetailsOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/GetConversationDetailsOptionalParams";
import GetLiveChatConfigOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/GetLiveChatConfigOptionalParams";
import GetLiveChatTranscriptOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/GetLiveChatTranscriptOptionalParams";
import GetPersistentChatHistoryOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/GetPersistentChatHistoryOptionalParams";
import IChatToken from "@microsoft/omnichannel-chat-sdk/lib/external/IC3Adapter/IChatToken";
import IFileMetadata from "@microsoft/omnichannel-ic3core/lib/model/IFileMetadata";
import IMessage from "@microsoft/omnichannel-ic3core/lib/model/IMessage";
import IRawThread from "@microsoft/omnichannel-ic3core/lib/interfaces/IRawThread";
import InitializeOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/InitializeOptionalParams";
import LiveWorkItemDetails from "@microsoft/omnichannel-chat-sdk/lib/core/LiveWorkItemDetails";
import OmnichannelMessage from "@microsoft/omnichannel-chat-sdk/lib/core/messaging/OmnichannelMessage";
import OnNewMessageOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/messaging/OnNewMessageOptionalParams";
import { ParticipantsRemovedEvent } from "@azure/communication-signaling";
import PostChatContext from "@microsoft/omnichannel-chat-sdk/lib/core/PostChatContext";
import StartChatOptionalParams from "@microsoft/omnichannel-chat-sdk/lib/core/StartChatOptionalParams";
export declare class FacadeChatSDK {
    private chatSDK;
    private chatConfig;
    private token;
    private expiration;
    private isAuthenticated;
    private getAuthToken?;
    private sdkMocked;
    private disableReauthentication;
    private pendingMidAuthUnauthenticatedState;
    isSDKMocked(): boolean;
    getChatSDK(): OmnichannelChatSDK;
    destroy(): void;
    isTokenSet(): boolean;
    constructor(input: IFacadeChatSDKInput, disableReauthentication: boolean);
    private convertExpiration;
    private isTokenExpired;
    private enforceBase64Encoding;
    private extractExpFromToken;
    private setToken;
    private corroborateTokenIsSet;
    private tokenRing;
    /**
     * Sets unauthenticated state for mid-auth flow.
     * Clears SDK internal state to prevent reconnection to previous authenticated session.
     */
    private setMidAuthUnauthenticatedState;
    /** Clears authentication state in both FacadeChatSDK and underlying SDK */
    private clearAuthState;
    /**
     * Migrates conversation from unauthenticated to authenticated via authenticateChat.
     * Called after startChat() when user has a valid token but the backend conversation
     * was started as unauthenticated.
     */
    private migrateConversationToAuthenticated;
    /**
     * Configures SDK auth state before startChat.
     * CASE 1: Pending unauthenticated (no token) - sets deferInitialAuth=true
     * CASE 2: Authenticated with valid token - sets SDK token and deferInitialAuth based on scenario
     */
    private configureMidAuthState;
    /**
     * CASE 1 handler: Returns true if reconnect params should be cleared (Auth -> Unauth transition)
     */
    private handlePendingUnauthenticatedState;
    /**
     * CASE 2 handler: Sets deferInitialAuth only for reconnects to unauthenticated sessions (need migration).
     * For new chats or reconnects to authenticated sessions, SDK handles auth internally.
     */
    private handleAuthenticatedState;
    private validateAndExecuteCall;
    initialize(optionalParams?: InitializeOptionalParams): Promise<ChatConfig>;
    getChatReconnectContext(optionalParams?: ChatReconnectOptionalParams): Promise<ChatReconnectContext>;
    startChat(optionalParams?: StartChatOptionalParams): Promise<void>;
    endChat(optionalParams?: EndChatOptionalParams): Promise<void>;
    getCurrentLiveChatContext(): Promise<object>;
    getConversationDetails(optionalParams?: GetConversationDetailsOptionalParams): Promise<LiveWorkItemDetails>;
    getPreChatSurvey(parse?: boolean): Promise<any>;
    getLiveChatConfig(optionalParams?: GetLiveChatConfigOptionalParams): Promise<ChatConfig>;
    getChatToken(cached?: boolean, optionalParams?: GetChatTokenOptionalParams): Promise<IChatToken>;
    getCallingToken(): Promise<string>;
    getMessages(): Promise<IMessage[] | OmnichannelMessage[] | undefined>;
    getDataMaskingRules(): Promise<MaskingRules>;
    sendMessage(message: ChatSDKMessage): Promise<void | OmnichannelMessage>;
    onNewMessage(onNewMessageCallback: CallableFunction, optionalParams?: OnNewMessageOptionalParams): Promise<void>;
    sendTypingEvent(): Promise<void>;
    onTypingEvent(onTypingEventCallback: CallableFunction): Promise<void>;
    onAgentEndSession(onAgentEndSessionCallback: (message: IRawThread | ParticipantsRemovedEvent) => void): Promise<void>;
    uploadFileAttachment(fileInfo: IFileInfo | File): Promise<IRawMessage | OmnichannelMessage>;
    downloadFileAttachment(fileMetadata: FileMetadata | IFileMetadata): Promise<Blob>;
    emailLiveChatTranscript(body: ChatTranscriptBody, optionalParams?: EmailLiveChatTranscriptOptionaParams): Promise<void>;
    getLiveChatTranscript(optionalParams?: GetLiveChatTranscriptOptionalParams): Promise<GetLiveChatTranscriptResponse>;
    createChatAdapter(optionalParams?: ChatAdapterOptionalParams): Promise<ChatAdapter>;
    isVoiceVideoCallingEnabled(): Promise<boolean>;
    getVoiceVideoCalling(params?: VoiceVideoCallingOptionalParams): Promise<GetVoiceVideoCallingResponse>;
    getPostChatSurveyContext(): Promise<PostChatContext>;
    getAgentAvailability(optionalParams?: GetAgentAvailabilityOptionalParams): Promise<GetAgentAvailabilityResponse>;
    getReconnectableChats(reconnectableChatsParams?: any): Promise<any>;
    fetchPersistentConversationHistory(getPersistentChatHistoryOptionalParams?: GetPersistentChatHistoryOptionalParams): Promise<GetPersistentChatHistoryResponse>;
}