docs: def main(argv):
    """Main."""
    del argv  # Unused.
  
    if flags.FLAGS.version:
      print("GRR worker {}".format(config_server.VERSION["packageversion"]))
      return
  
    config.CONFIG.AddContext(contexts.WORKER_CONTEXT,
                             "Context applied when running a worker.")
  
    # Initialise flows and config_lib
    server_startup.Init()
  
    fleetspeak_connector.Init()
  
  
    token = access_control.ACLToken(username="GRRWorker").SetUID()
    worker_obj = worker_lib.GRRWorker(token=token)
    worker_obj.Run()