Provides a convenient, chainable way of piping this readable stream through a transform stream (or any other { writable, readable } pair). It simply pipes the stream into the writable side of the supplied pair, and returns the readable side for further use.
Piping a stream will lock it for the duration of the pipe, preventing any other consumer from acquiring a reader.
stub module, pending copy&paste from .d.ts or manual impl copy from lib.dom.d.ts