import { Observable } from 'rxjs';
export interface BotMessage {
    text: string;
    sender: 'bot' | 'user';
    timestamp: number;
}
export interface BotChannelConfig {
    websocketUrl: string;
    extension: string;
    widgetId: string;
    botName?: string;
    greetingPhrase?: string;
    maxReconnectAttempts?: number;
    reconnectDelay?: number;
}
export type AuthenticationInputResult = {
    status: 'AUTHENTICATION_SUCCESS' | 'AUTHENTICATION_CANCELLED' | 'AUTHENTICATION_ERROR';
    encryptedToken?: string;
    errorMessage?: string;
};
export declare class BotChannel {
    private readonly messages$;
    private readonly handover$;
    private readonly connected$;
    private readonly disconnected$;
    private readonly connectionFailed$;
    private readonly inactivityTimeout$;
    private readonly botNameChanged$;
    private readonly streamStarted$;
    private readonly authenticationRequest$;
    private socket;
    private streamBuffer;
    private inactivityTimer;
    private isConnected;
    private isIntentionalDisconnect;
    private sequenceNumber;
    private reconnectAttempts;
    private reconnectTimeout;
    private dialogId;
    private lastReceivedSequenceNumber;
    private readonly sessionStorageKey;
    private readonly sessionStorageDialogIdKey;
    private readonly sessionStorageSequenceKey;
    private _pendingAuthResult;
    private readonly websocketUrl;
    private readonly extension;
    private readonly greetingPhrase;
    private readonly maxReconnectAttempts;
    private readonly reconnectDelay;
    private readonly inactivityTimeoutMs;
    botName: string;
    constructor(config: BotChannelConfig);
    connect(): void;
    disconnect(): void;
    sendMessage(text: string): void;
    requestHandover(): void;
    messages(): Observable<BotMessage>;
    onHandover(): Observable<void>;
    onConnected(): Observable<void>;
    onDisconnected(): Observable<void>;
    onConnectionFailed(): Observable<void>;
    onInactivityTimeout(): Observable<void>;
    onBotNameChanged(): Observable<string>;
    onStreamStarted(): Observable<void>;
    onAuthenticationRequest(): Observable<{
        provider: string;
        customerKey: string;
        orgKey: string;
    }>;
    sendAuthenticationInput(result: AuthenticationInputResult): void;
    private _sendAuthenticationInputPayload;
    loadMessagesFromStorage(): BotMessage[];
    private establishConnection;
    private handleOpen;
    private handleMessage;
    private handleClose;
    private handleError;
    private sendInitializePayload;
    private sendReconnectPayload;
    private getNextSequenceNumber;
    private attemptReconnect;
    private clearReconnectTimeout;
    private resetInactivityTimer;
    private clearInactivityTimer;
    private persistMessage;
    private getStoredMessages;
    private loadStateFromStorage;
    private persistDialogId;
    private persistSequenceNumber;
    private clearStoredState;
}