method HMAC.prototype.updateimport { HMAC } from "https://deno.land/x/hmac@v2.0.1/mod.ts"; update(msg?: string | Uint8Array, inputEncoding?: string): HMACUpdate the HMAC with additional message data. Parametersoptionalmsg: string | Uint8Array = [UNSUPPORTED]optionalinputEncoding: stringReturnsHMAC