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: AccountContext for this AccountInstance
        :rtype: twilio.rest.api.v2010.account.AccountContext
        """
        if self._context is None:
            self._context = AccountContext(self._version, sid=self._solution['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: AccountContext for this AccountInstance
        :rtype: twilio.rest.api.v2010.account.AccountContext