text: from samsung_mdc_ctl.protocol.commands import Command
  
  
  class Response:
      def __init__(self, rCmd: Command):
          self.rCmd = rCmd
  
  
  class AckResponse(Response):
      def __init__(self, rCmd: Command, payload: bytes):
          super().__init__(rCmd)
          self.payload = payload
  
  
  class NakResponse(Response):
      def __init__(self, rCmd: Command, errCode: int):
          super().__init__(rCmd)
          self.errCode = errCode
  