1module.exports.pipe = require('pump') 2module.exports.each = require('stream-each') 3module.exports.pipeline = require('pumpify') 4module.exports.duplex = require('duplexify') 5module.exports.through = require('through2') 6module.exports.concat = require('concat-stream') 7module.exports.finished = require('end-of-stream') 8module.exports.from = require('from2') 9module.exports.to = require('flush-write-stream') 10module.exports.parallel = require('parallel-transform') 11