function base64.toStringimport { base64 } from "https://deno.land/x/b64@1.1.28/types/base64.d.ts"; const { toString } = base64; toString(str: string, urlMode?: boolean): stringConvenience function for converting base64 to string Convenience function for converting base64 to string Parametersstr: string Base64 encoded string to be decoded optionalurlMode: boolean If set to true, URL mode string will be expected Returnsstring Decoded string