function appendFileimport { appendFile } from "https://deno.land/std@0.139.0/node/_fs/_fs_appendFile.ts"; appendFile(path: string | number | URL,data: string | Uint8Array,options: Encodings | WriteFileOptions | CallbackWithError,callback?: CallbackWithError,): voidTODO: Also accept 'data' parameter as a Node polyfill Buffer type once these are implemented. See https://github.com/denoland/deno/issues/3403 Parameterspath: string | number | URLdata: string | Uint8Arrayoptions: Encodings | WriteFileOptions | CallbackWithErroroptionalcallback: CallbackWithErrorReturnsvoid