import { WritableStreamDefaultWriter } from "https://deno.land/x/deno@v1.28.3/cli/tsc/dts/lib.webworker.d.ts";
type
{ prototype: WritableStreamDefaultWriter; new <W = any>(stream: WritableStream<W>): WritableStreamDefaultWriter<W>; }
x/deno/cli/tsc/dts/lib.webworker.d.ts>WritableStreamDefaultWriter
import { WritableStreamDefaultWriter } from "https://deno.land/x/deno@v1.28.3/cli/tsc/dts/lib.webworker.d.ts";