/**
 * @module LiveTranscription
 */
import { Subscription } from "rxjs";
import { DataChannel } from "./dataChannel.model";
import { LiveTranscriptionMessage } from "./webConferenceSession.model";
export declare enum LiveTranscriptionStatus {
    INVITED = "INVITED",
    CONNECTED = "CONNECTED",
    CLOSED = "CLOSED"
}
/**
 * @eventProperty
 */
export declare enum LiveTranscriptionEvents {
    /**
     * @eventProperty ON_MESSAGE_RECEIVED
     * This RB event is fired when a new message has been received
     */
    ON_MESSAGE_RECEIVED = "ON_MESSAGE_RECEIVED"
}
export interface LiveTranscription {
    status: LiveTranscriptionStatus;
    language?: string;
    messages: LiveTranscriptionMessage[];
    accept(): Promise<LiveTranscription>;
    subscribe(handler: any): Subscription;
}
/** @internal */
export declare class LiveTranscriptionRB implements LiveTranscription {
    private dataChannel;
    subscription?: Subscription;
    language: string;
    private _status;
    private rxSubject;
    messages: LiveTranscriptionMessage[];
    translatedMessages: [];
    static create(dataChannel: DataChannel): LiveTranscriptionRB;
    private constructor();
    /**
     * @public
     * @function subscribe
     * @instance
     * @description
     *    Subscribe to updates from the service (all events are of RBEvent type {name: string, data:any});
     *    Here's a list of events received :
     *    NB There might be some events that are not documented here, they're send on updates of different properties of the contact.
     * @param {any} handler The call-back function that will be subscribed to the RxJS subject
     * @returns {Subscription} Returns RxJS Subscription
     */
    subscribe(handler: any): Subscription;
    sendEvent(name: string, data?: any): void;
    stop(): void;
    set status(status: LiveTranscriptionStatus);
    get status(): LiveTranscriptionStatus;
    accept(): Promise<LiveTranscription>;
    private cleanString;
}
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