jwtAuthenticator
import { jwtAuthenticator } from "https://raw.githubusercontent.com/nats-io/nats.deno/v1.27.0/nats-base-client/internal_mod.ts";Returns an Authenticator function that returns a JwtAuth. If a seed is provided, the public key, and signature are calculated.
function jwtAuthenticator(ajwt: string | (() => string), seed?: Uint8Array | (() => Uint8Array)): Authenticator;