/// <reference types="node" resolution-mode="require"/>
/// <reference types="node" resolution-mode="require"/>
import EventEmitter from 'events';
import { DataLoadService } from './DataLoadService.js';
import { DataLoadServiceI, SocketI } from './types.js';
declare type Options = {
    socketRegisterCheckInterval?: number;
};
/**
 * Initiate single socket connection and creates new PivotDataSource for each JAQL request
 */
export declare class SisenseDataLoadService extends DataLoadService implements DataLoadServiceI {
    /**
     * @private
     */
    options: Options;
    /**
     * @private
     */
    registrationWaitTimer?: NodeJS.Timeout;
    /**
     * @private
     *
     * onMessage remove listeners callback
     */
    onMessageCancels: Array<Function | undefined>;
    constructor(socket?: SocketI, events?: EventEmitter, options?: Options);
    destroy(): void;
    /**
     * Start data loading from the server
     *
     * @returns {void}
     * @private
     */
    loadFromServer(): void;
    /**
     * Wait for socket connection and registration
     *
     * @returns {Promise<*>} - wait promise
     * @private
     */
    waitForSocketReady(): Promise<any>;
}
export default SisenseDataLoadService;