/// <reference types="node" />
import Transport from './Transport';
import { EventEmitter } from 'events';
export default class Connection extends EventEmitter {
    private transport;
    private callbacks;
    constructor(transport: Transport);
    send(method: string, params?: any): Promise<any>;
    dispose(): Promise<void>;
    private onMessage;
    private onClose;
    static create(url: string): Promise<Connection>;
}