def _proxy(self):
        """
        Generate an instance context for the instance, the context is capable of
        performing various actions.  All instance actions are proxied to the context

        :returns: WorkerStatisticsContext for this WorkerStatisticsInstance
        :rtype: twilio.rest.taskrouter.v1.workspace.worker.worker_statistics.WorkerStatisticsContext
        """
        if self._context is None:
            self._context = WorkerStatisticsContext(
                self._version,
                workspace_sid=self._solution['workspace_sid'],
                worker_sid=self._solution['worker_sid'],
            )
        return self._context
Generate an instance context for the instance, the context is capable of
        performing various actions.  All instance actions are proxied to the context

        :returns: WorkerStatisticsContext for this WorkerStatisticsInstance
        :rtype: twilio.rest.taskrouter.v1.workspace.worker.worker_statistics.WorkerStatisticsContext