function prepareSecretKeyimport { prepareSecretKey } from "https://deno.land/std@0.177.0/node/internal/crypto/keys.ts"; prepareSecretKey(key: string | ArrayBuffer | KeyObject,encoding: string | undefined,bufferOnly?,)Parameterskey: string | ArrayBuffer | KeyObjectencoding: string | undefinedoptionalbufferOnly = [UNSUPPORTED]