// Generated by typings
// Source: https://raw.githubusercontent.com/DefinitelyTyped/DefinitelyTyped/7de6c3dd94feaeb21f20054b9f30d5dabc5efabd/through2/through2.d.ts
declare module 'through2' {

	import stream = require('stream');

	type TransfofmCallback = (err?: any, data?: any) => void;
	type TransformFunction = (chunk: any, enc: string, callback: TransfofmCallback) => void;
	type FlashCallback = (flushCallback: () => void) => void;

	function through2(transform?: TransformFunction, flush?: FlashCallback): NodeJS.ReadWriteStream;

	function through2(opts?: stream.DuplexOptions, transform?: TransformFunction, flush?: FlashCallback): NodeJS.ReadWriteStream;

	namespace through2 {

		export function obj(transform?: TransformFunction, flush?: FlashCallback): NodeJS.ReadWriteStream;

		export function push(data: any): void;

	}

	export = through2;

}