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: StyleSheetContext for this StyleSheetInstance
        :rtype: twilio.rest.autopilot.v1.assistant.style_sheet.StyleSheetContext
        """
        if self._context is None:
            self._context = StyleSheetContext(self._version, assistant_sid=self._solution['assistant_sid'], )
        return self._context