|  | var Stream = require('stream'); | 
						
						
							|  | if (process.env.READABLE_STREAM === 'disable' && 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; | 
						
						
							|  | } else { | 
						
						
							|  |   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'); | 
						
						
							|  | }
 |