def Output(self):
    if self._state == State.OUTPUT:
      output = self._output
      self._output = None
      # carefully return state to not waiting to output, but
      # don't change the auth_state.
      self._state = self._default_state
      return output
Return the node boundary. 
dataset/ETHPy150Open google/simian/src/simian/auth/base.py/AuthBase.Output--crossover with--dataset/ETHPy150Open gkno/gkno_launcher/src/networkx/algorithms/boundary.py/node_boundary