def combined_rpc_billed_ops(self):
    if self.__combined_rpc_billed_ops is None:
      combined_ops_dict = {}
      for stats in self.rpc_stats_list():
        _add_billed_ops_to_map(combined_ops_dict,
                               stats.total_billed_ops_list())
      self.__combined_rpc_billed_ops = billed_ops_to_str(
          combined_ops_dict.itervalues())
    return self.__combined_rpc_billed_ops
Return the total billed ops for RPCs across .rpc_stats_list().
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/appstats/recording.py/StatsProto.combined_rpc_billed_ops