function pumpimport { pump } from "https://deno.land/x/proc@0.21.2/legacy/runners/utility.ts"; pump(reader: Deno.Reader & Deno.Closer, writer: Deno.Writer & Deno.Closer): Promise<void>Efficiently pump data from a reader to a writer. Parametersreader: Deno.Reader & Deno.CloserThe reader. writer: Deno.Writer & Deno.CloserThe writer. ReturnsPromise<void>