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: TaskQueueStatisticsContext for this TaskQueueStatisticsInstance
        :rtype: twilio.rest.taskrouter.v1.workspace.task_queue.task_queue_statistics.TaskQueueStatisticsContext
        """
        if self._context is None:
            self._context = TaskQueueStatisticsContext(
                self._version,
                workspace_sid=self._solution['workspace_sid'],
                task_queue_sid=self._solution['task_queue_sid'],
            )
        return self._context