function decodeBase64import { decodeBase64 } from "https://dotland.deno.dev/std@0.215.0/encoding/base64.ts"; decodeBase64(b64: string): Uint8ArrayDecodes a base64-encoded string. ExamplesExample 1 import { encodeBase64 } from "https://deno.land/std@0.215.0/encoding/base64.ts"; encodeBase64("foobar"); // "Zm9vYmFy" Parametersb64: stringReturnsUint8Array