code: def _proxy(self):
          
          if self._context is None:
              self._context = WorkersCumulativeStatisticsContext(
                  self._version,
                  workspace_sid=self._solution['workspace_sid'],
              )
          return self._context
docs: Generate an instance context for the instance, the context is capable of
          performing various actions.  All instance actions are proxied to the context
  
          :returns: WorkersCumulativeStatisticsContext for this WorkersCumulativeStatisticsInstance
          :rtype: twilio.rest.taskrouter.v1.workspace.worker.workers_cumulative_statistics.WorkersCumulativeStatisticsContext