final Document doc = builder.parse(is);
            final NodeList snapshotNodeList = doc.getElementsByTagName("snapshot");
            if (snapshotNodeList.getLength() > 0) {
                final NodeList nodeList = snapshotNodeList.item(0).getChildNodes();
                for (int i = 0; i < nodeList.getLength(); i++) {
                    final Node node = nodeList.item(i);

    }

    /**
     * Appends the string representation of a {@link NodeList}.
     *
     * @param children
     *            The child nodes. Must not be {@literal null}.
     * @param buf
     *            The string buffer. Must not be {@literal null}.
     */
    public static void appendChildren(final NodeList children, final StringBuilder buf) {
        assertArgumentNotNull("children", children);

            final StringBuilder buf = new StringBuilder(255);
            final XPathNodes nodeList = getXPathAPI().selectNodeList(document, targetNodePath);
            for (int i = 0; i < nodeList.size(); i++) {
                final Node node = nodeList.get(i);
                buf.append(node.getTextContent()).append(' ');
            }

                    break;
                case NODESET:
                    final XPathNodes nodeList = (XPathNodes) xObj.value();
                    final List<String> strList = new ArrayList<>();
                    for (int i = 0; i < nodeList.size(); i++) {
                        final Node node = nodeList.get(i);
                        strList.add(node.getTextContent());
                    }

                final List<String> nodeStrList = new ArrayList<>();
                try {
                    final XPathNodes nodeList = getNodeList(doc, entry.getValue());
                    for (int i = 0; i < nodeList.size(); i++) {
                        final Node node = nodeList.get(i);
                        nodeStrList.add(node.getTextContent());
                    }

        @Override
        public Node getParentNode() {
            return null;
        }

        @Override
        public org.w3c.dom.NodeList getChildNodes() {
            return null;
        }

        @Override
        public Node getFirstChild() {
            return null;
        }

        @Override

	}
	if entries.len() != len(want) {
		t.Fatal("unexpected length:", entries.len(), "want:", len(want))
	}

	r = loadMetacacheSample(t)
	defer r.Close()
	entries, err = r.readN(-1, false, true, false, "src/nonexist")
	if err != io.EOF {
		t.Fatal(err, entries.len())
	}
	want = loadMetacacheSampleNames[:0]
	if entries.len() != len(want) {
		t.Fatal("unexpected length:", entries.len(), "want:", len(want))
	}