code: def update(self, friendly_name=values.unset, max_size=values.unset):
          
          return self._proxy.update(friendly_name=friendly_name, max_size=max_size, )
docs: Update the QueueInstance
  
          :param unicode friendly_name: A string to describe this resource
          :param unicode max_size: The max number of calls allowed in the queue
  
          :returns: Updated QueueInstance
          :rtype: twilio.rest.api.v2010.account.queue.QueueInstance