import { ReadableStreamBYOBReader } from "https://deno.land/x/deno@v1.40.5/cli/tsc/dts/lib.webworker.d.ts";
type
{ prototype: ReadableStreamBYOBReader; new (stream: ReadableStream): ReadableStreamBYOBReader; }
x/deno/cli/tsc/dts/lib.webworker.d.ts>ReadableStreamBYOBReader
import { ReadableStreamBYOBReader } from "https://deno.land/x/deno@v1.40.5/cli/tsc/dts/lib.webworker.d.ts";