"reduceOptions": {
          "calcs": [
            "mean"
          ],
          "fields": "",
          "values": false
        },
        "showPercentChange": false,
        "text": {},
        "textMode": "auto",
        "wideLayout": true
      },
      "pluginVersion": "10.4.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"

      }

      if (!top.remainingSuccessors.isEmpty()) {
        N nextNode = top.remainingSuccessors.remove();
        if (canTraverseWithoutReusingEdge(graph, nextNode, previousNode)) {
          stack.addLast(new NodeAndRemainingSuccessors<>(nextNode));
          continue;
        }
      }

      stack.removeLast();

      }

      if (!top.remainingSuccessors.isEmpty()) {
        N nextNode = top.remainingSuccessors.remove();
        if (canTraverseWithoutReusingEdge(graph, nextNode, previousNode)) {
          stack.addLast(new NodeAndRemainingSuccessors<>(nextNode));
          continue;
        }
      }

      stack.removeLast();

        assertArgumentNotNull("buf", buf);

        switch (node.getNodeType()) {
        case Node.ELEMENT_NODE:
            appendElement((Element) node, buf);
            break;
        case Node.TEXT_NODE:
            appendText((Text) node, buf);
            break;
        case Node.CDATA_SECTION_NODE:
            appendCDATASection((CDATASection) node, buf);
            break;