import type { IWorkerIO } from './defs';
import { WorkerIO } from './worker_io';
import type { IOutputCallback } from '../callback';
import type { Termios } from '../termios';
export declare class ServiceWorkerWorkerIO extends WorkerIO implements IWorkerIO {
    constructor(outputCallback: IOutputCallback, termios: Termios.Termios, baseUrl: string, browsingContextId: string, shellId: string);
    protected _getStdin(timeoutMs: number): string;
    protected _getStdinAsync(timeoutMs: number): Promise<string>;
    private _utils;
}