import { Service } from '../../services/service';
import { Subscription } from 'rxjs';
export declare const PRESENCE_HELPER_SVC = "PresenceHelperService";
/**
 * @public
 * @description PresenceHelperService Events.
 */
export declare enum PresenceHelperServiceEvents {
    /**
     * @event RECONNECT_PRESENCE_SENT
     * @description This RB event is send after reconnection, when the initial presence is being send to xmpp (we consider that the client is now fully connected)
     */
    RECONNECT_PRESENCE_SENT = "RECONNECT_PRESENCE_SENT",
    /**
     * @event ALL_CALLS_ENDED
     * @description This RB event is send when all calls are ended
     */
    ALL_CALLS_ENDED = "ALL_CALLS_ENDED"
}
export declare class PresenceHelperService extends Service {
    private mainService;
    private logger;
    private contactService;
    private eventService;
    private webinarService?;
    private webrtcP2PService?;
    private webConferenceService?;
    private webrtcConfigAndUtils?;
    private eventListeners;
    private rxSubject;
    static getInstance(): PresenceHelperService;
    static build(): PresenceHelperService;
    /**
     * @public
     * @function subscribe
     * @instance
     * @description
     *    Subscribe to updates on the current calls sessions (all events are of RBEvent type {name: string, data:any});
     *    All public events that are fired by this service are described in the documentation.
     *    NB There might be some events that are not documented here, they should be ignored
     * @param {any} handler The call-back function that will be subscribed to the RxJS subject
     * @returns {Subscription} Returns RxJS Subscription
     */
    subscribe(handler: any): Subscription;
    private constructor();
    start(): Promise<void>;
    stop(): void;
    resendPresenceAfterReconnect(): void;
    resetBusyStateIfNeeded(): void;
    /**
     * Method isUserCurrentlyInCall
     * @public
     * @memberof PresenceHelperService
     * @returns {boolean} True if user is currently in a webrtc call or conference or webinar
     * The function will return true if the user is currently engaged in any kind of webrtc call / conference
     * This will not return true if the user has PBX calls in office mode, but only when
     * the call or the conference are done on this current device;
     */
    isUserCurrentlyInCall(): boolean;
}
//# sourceMappingURL=presenceHelper.service.d.ts.map