'Generate an instance context for the instance, the context is capable of
performing various actions.  All instance actions are proxied to the context
:returns: AvailableAddOnContext for this AvailableAddOnInstance
:rtype: twilio.rest.preview.marketplace.available_add_on.AvailableAddOnContext'

@property
def _proxy(self):

    if (self._context is None):
        self._context = AvailableAddOnContext(self._version, sid=self._solution['sid'])
    return self._context
