'Retrieves all queues.
:keyword str prefix: Optionally, only return queues that start with
this value.
:rtype: list
:returns: A list of :py:class:`boto.sqs.queue.Queue` instances.'

def get_all_queues(self, prefix=''):

    params = {}
    if prefix:
        params['QueueNamePrefix'] = prefix
    return self.get_list('ListQueues', params, [('QueueUrl', Queue)])
