import { Credentials, AgentInfo } from './authentication.service';
import { MediaInfo } from './media-channel';
import { Call } from './call';
import { IOService } from './io';
export interface ZiwoClientOptions {
    /**
     * @contactCenterName is the contact center the agent is working for
     */
    contactCenterName: string;
    /**
     * see `authentication.ts#Credentials` for complete definition
     */
    credentials: Credentials;
    /**
     * @autoConnect let you choose to connect the agent automatically or not.
     * Default = true
     * Error is raised if authentication fails. In case you want to handle failed authentication, run `connect` manually
     */
    autoConnect: boolean;
    /**
     * [DEPRECATED] - use @mediaTag instead
     */
    tags: MediaInfo;
    /**
     * @mediaTag is a DIV element that will contains the HTML media elements used for calls
     * The div must always be available but doesn't have to be visible
     */
    mediaTag: HTMLDivElement;
    /**
     * @useGoogleStun will force Google STUNS ONLY
     */
    useGoogleStun?: boolean;
    /**
     * @debug display log info if set to true
     */
    debug?: boolean;
}
/**
 * Ziwo Client allow your to setup the environment.
 * It will setup the WebRTC, open the WebSocket and do the required authentications
 *
 * See README#Ziwo Client to see how to instanciate a new client.
 * Make sure to wait for `connected` event before doing further action.
 *
 * Once the client is instancied and you received the `connected` event, Ziwo is ready to be used
 * and you can start a call by using `startCall(phoneNumber:string)` or simply wait for events to proc.
 */
export declare class ZiwoClient {
    /**
     * @connectedAgent provide useful information about the connected user
     * See src/authentication.service.ts#AgentInfo for more details
     */
    connectedAgent?: AgentInfo;
    options: ZiwoClientOptions;
    io: IOService;
    private calls;
    private apiService;
    private verto;
    private debug;
    constructor(options: ZiwoClientOptions);
    restart(options: ZiwoClientOptions): void;
    /**
     * connect authenticate the user over Ziwo & our communication socket
     * This function is required before proceeding with calls
     */
    connect(): Promise<void>;
    /**
     * Disconnect user from our socket and stop the protocol
     */
    disconnect(): Promise<void>;
    restartSocket(): void;
    /**
     * Add a callback function for all events
     * Can be used instead of `addEventListener`
     * NoteL Event thrown through this support
     * does not include the `ziwo` suffix nor the `_jorel-dialog-state` prefix
     */
    addListener(func: Function): void;
    /**
     * Start a phone call with the external phone number provided and return an instance of the Call
     * Note: the call's instance will also be provided in all the events
     */
    startCall(phoneNumber: string): Promise<Call | undefined>;
    /**
     * Start a call using click2call
     * return the call ID if the call is successful or undefined if an issue occured
     */
    startClick2Call(phoneNumber: string, roaming?: boolean): Promise<string | undefined>;
    answerCall(): void;
    /**
     * Opt out of Google Stun
     */
    optOutGoogleStunServer(): Promise<string[]>;
}