import { NgxEndpointService } from '../ngx-endpoints.service';
import { NgxEndPoint } from '../ngx-endpoints';
import { NgxEndPointData } from '../ngx-endpoint.format';
export declare class NgxLiveEndPoint<T> extends NgxEndPoint<T> {
    endpointservice: NgxEndpointService;
    endpoint: NgxEndPointData;
    constructor(endpointservice: NgxEndpointService, endpoint: NgxEndPointData);
    /**
    * Requests data from an http source
    * Optionally converts relative dates (now-1d) into readable urls by DatesOutputFormat
    * Adds the result of the request to BehaviorSubject data that can be subscribed
    */
    requestData(): Promise<void>;
    /**
    * internal function to wait before next live request will be made
    */
    private sleep;
    /**
    * internal function to run live requests in loop
    */
    private refreshData;
}