// This function adds the holder's value to the input value.
    Function<Integer, Integer> adder =
        new Function<Integer, Integer>() {
          @Override
          public Integer apply(Integer from) {
            return from + holder.value;
          }
        };

    // Since holder.value is 2, applying 4 should yield 6.
    assertEquals(6, adder.apply(4).intValue());

	res, err := s.client.Do(req)
	if err != nil {
		c.Fatal(err)
	}

	for k := range expectedMap {
		if v, ok := res.Header[k]; !ok {
			c.Errorf("Expected key %s missing from %v", k, res.Header)
		} else {
			expectedSet := set.CreateStringSet(expectedMap[k]...)
			gotSet := set.CreateStringSet(strings.Split(v[0], ", ")...)
			if !expectedSet.Equals(gotSet) {

    //      last modified: 105 seconds ago
    //             served:   5 seconds ago
    //   default lifetime: (105 - 5) / 10 = 10 seconds
    //            expires:  10 seconds from served date = 5 seconds from now
    server.enqueue(
      MockResponse.Builder()
        .addHeader("Last-Modified: " + formatDate(-105, TimeUnit.SECONDS))
        .addHeader("Date: " + formatDate(-5, TimeUnit.SECONDS))

	}
}

func getRepReceivedBytesMD(namespace MetricNamespace) MetricDescription {
	helpText := "Total number of bytes replicated to this bucket from another source bucket"
	if namespace == clusterMetricNamespace {
		helpText = "Total number of bytes replicated to this cluster from site replication peer"
	}
	return MetricDescription{
		Namespace: namespace,
		Subsystem: replicationSubsystem,
		Name:      receivedBytes,

    // This function adds the holder's value to the input value.
    Function<Integer, Integer> adder =
        new Function<Integer, Integer>() {
          @Override
          public Integer apply(Integer from) {
            return from + holder.value;
          }
        };

    // Since holder.value is 2, applying 4 should yield 6.
    assertEquals(6, adder.apply(4).intValue());

    val hostnameVerifier = RecordingHostnameVerifier()
    server.useHttps(handshakeCertificates.sslSocketFactory())
    server.enqueue(MockResponse(inTunnel = true))
    server.enqueue(MockResponse(body = "encrypted response from the origin server"))
    client =
      client.newBuilder()
        .proxy(server.toProxyAddress())
        .sslSocketFactory(
          handshakeCertificates.sslSocketFactory(),

          "intervalFactor": 1,
          "legendFormat": "{{ source_workload }}.{{ source_workload_namespace}}",
          "refId": "B",
          "step": 2
        }
      ],
      "title": "Bytes Received from Incoming TCP Connection",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${datasource}"
      },
      "fieldConfig": {

          "intervalFactor": 1,
          "legendFormat": "{{ source_workload }}.{{ source_workload_namespace}}",
          "refId": "B",
          "step": 2
        }
      ],
      "title": "Bytes Received from Incoming TCP Connection",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${datasource}"
      },
      "fieldConfig": {

    public static final String LABELS_index_form_search_btn = "{labels.index_form_search_btn}";

    /** The key of the message: Search */
    public static final String LABELS_index_osdd_title = "{labels.index_osdd_title}";

    /** The key of the message: Options */
    public static final String LABELS_index_form_option_btn = "{labels.index_form_option_btn}";

    /** The key of the message: Help */

        },
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 0,
        "type": "query"
      }
    ]
  },
  "time": {
    "from": "now-1h",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",