/// <reference types="node" resolution-mode="require"/>
import EventEmitter from 'events';
import { SocketI } from '../types.js';
export declare class TestSocket implements SocketI {
    /** @private */
    events: EventEmitter;
    /** @private */
    ready: boolean;
    /** @private */
    onMessageCallback?: (type: string, data: any) => void;
    constructor();
    /**
     * Checks if socket is ready for sending messages or not
     *
     * @returns {boolean} - true - ready
     */
    isReady(): boolean;
    /**
     * Attach event handler
     *
     * @param {string} event - event name
     * @param {Function} cb - handler function
     * @returns {void}
     */
    on(event: string, cb: (...args: Array<any>) => void): void;
    /**
     * Detach event handler
     *
     * @param {string} event - event name
     * @param {Function} cb - handler function
     * @returns {void}
     */
    off(event: string, cb: (...args: Array<any>) => void): void;
    /**
     * Send message via socket
     *
     * @param {string} event - message name
     * @param {Array<any>} args - arguments
     * @param {Array<any>} args.0 - message data
     * @returns {void}
     */
    send(event: string, ...args: any[]): void;
    /**
     * Specific message handler
     *
     * @param {string} type - message type
     * @param {string} subType - message subtype (query ID)
     * @param {Function} callback - handler function
     * @returns {Function} - unsubscribe function
     */
    onMessage(type: string, subType: string, callback: (type: string, data: any) => void): () => void;
    /**
     * Emulate receiving message from socket
     *
     * @param {string} event - message type
     * @param {any} data - message data
     * @returns {Promise} - waiting promise
     */
    trigger(event: string, data: any): any;
}
export default TestSocket;