"use strict";module.exports=PassThrough;var Transform=require("./_stream_transform"),util=require("core-util-is");function PassThrough(r){if(!(this instanceof PassThrough))return new PassThrough(r);Transform.call(this,r)}util.inherits=require("inherits"),util.inherits(PassThrough,Transform),PassThrough.prototype._transform=function(r,s,i){i(null,r)};