/// <reference types="node" />
import { Writable } from "stream";
/**
 * Idle handler will fire events when the stream is idle
 * for a certain amount of time.
 *
 * The first time it fires it will also fire a ready event
 */
export declare const createIdleHandler: (bus: Writable, delay?: number) => {
    stream: import("stream").Transform;
};