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: CountryContext for this CountryInstance
        :rtype: twilio.rest.voice.v1.dialing_permissions.country.CountryContext
        """
        if self._context is None:
            self._context = CountryContext(self._version, iso_code=self._solution['iso_code'], )
        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: CountryContext for this CountryInstance
        :rtype: twilio.rest.voice.v1.dialing_permissions.country.CountryContext