# File lib/fog/rackspace/requests/storage/head_containers.rb, line 27
        def head_containers
          bytes_used = data.values.map { |c| c.bytes_used }.reduce(0) { |a, b| a + b }
          container_count = data.size
          object_count = data.values.map { |c| c.objects.size }.reduce(0) { |a, b| a + b }

          response = Excon::Response.new
          response.status = 204
          response.headers = {
            'X-Account-Bytes-Used' => bytes_used,
            'X-Account-Container-Count' => container_count,
            'X-Account-Object-Count' => object_count
          }.merge(account_meta)
          response
        end