# File lib/vcr/http_stubbing_adapters/excon.rb, line 46
      def stubbed_response_for(request)
        return nil unless match_attributes_stack.any?
        request_matcher = request.matcher(match_attributes_stack.last)
        queue = stub_queues[request_matcher]
        return queue.shift if queue.size > 1
        queue.first
      end