docs: def PauseHunt(hunt_id, reason=None):
    """Pauses a hunt with a given id."""
  
    hunt_obj = data_store.REL_DB.ReadHuntObject(hunt_id)
    if hunt_obj.hunt_state != hunt_obj.HuntState.STARTED:
      raise OnlyStartedHuntCanBePausedError(hunt_obj)
  
    data_store.REL_DB.UpdateHuntObject(
        hunt_id, hunt_state=hunt_obj.HuntState.PAUSED, hunt_state_comment=reason)
    data_store.REL_DB.RemoveForemanRule(hunt_id=hunt_obj.hunt_id)
  
    return data_store.REL_DB.ReadHuntObject(hunt_id)