var Stream=require("stream");"disable"===process.env.READABLE_STREAM&&Stream?(module.exports=Stream,exports=module.exports=Stream.Readable,exports.Readable=Stream.Readable,exports.Writable=Stream.Writable,exports.Duplex=Stream.Duplex,exports.Transform=Stream.Transform,exports.PassThrough=Stream.PassThrough,exports.Stream=Stream):(exports=module.exports=require("./lib/_stream_readable.js"),exports.Stream=Stream||exports,exports.Readable=exports,exports.Writable=require("./lib/_stream_writable.js"),exports.Duplex=require("./lib/_stream_duplex.js"),exports.Transform=require("./lib/_stream_transform.js"),exports.PassThrough=require("./lib/_stream_passthrough.js"));