code: def klv(self):
      action = _klv_utils.get_action_t(Actions.Barrier, bytes(0))
      return bytes(action)
  
imports: import enum
  import threading
  from cupyx.distributed import _klv_utils
label_desc: Use image node_id 1 for calling the Barrier obj's underlying member method code with example usage: obj.klv() and returns: bytes