code: def __gather_avail(self):
          '''
          Gather the lists of available sls data from the master
          '''
          avail = {}
          for saltenv in self._get_envs():
              avail[saltenv] = self.client.list_states(saltenv)
          return avaif __gather_avail(self):
          '''
          Gather the lists of available sls data from the master
          '''
          avail = {}
          for saltenv in self._get_envs():
              avail[saltenv] = self.client.list_states(saltenv)
          return avail
docs: Gather the lists of available sls data from the master