interface UnderlyingByteSourceimport { type UnderlyingByteSource } from "https://deno.land/x/windmill@v1.364.3/node_modules/evt/lib/types/lib.dom.d.ts"; PropertiesoptionalautoAllocateChunkSize: numberoptionalcancel: ReadableStreamErrorCallbackoptionalpull: ReadableByteStreamControllerCallbackoptionalstart: ReadableByteStreamControllerCallbacktype: "bytes"