# File lib/fog/rackspace/requests/queues/create_queue.rb, line 26
        def create_queue(queue_name)
          raise MethodNotAllowed.new if queue_name.nil? || queue_name.empty?

          existed = ! mock_queue(queue_name).nil?
          add_queue(queue_name) unless existed

          response = Excon::Response.new
          response.status = existed ? 201 : 204
          response
        end