function getNBytesimport { getNBytes } from "https://dotland.deno.dev/std@0.116.0/encoding/binary.ts"; getNBytes(r: Deno.Reader, n: number): Promise<Uint8Array>Reads exactly n bytes from r. Reads exactly n bytes from r. Resolves it in a Uint8Array, or throws Deno.errors.UnexpectedEof if n bytes cannot be read. Parametersr: Deno.Readern: numberReturnsPromise<Uint8Array>