private Node after(final Node parent, final String nodeName) {
    final NodeList nodelist = parent.getChildNodes();
    int index = -1;
    for (int i = 0; i < nodelist.getLength(); i++) {
      final Node node = nodelist.item(i);
      final String name = node.getNodeName();
      if (nodeName.equals(name)) {
        index = i;
      }
    }
    if (index == -1) {
      return null;
    }
    if (nodelist.getLength() > (index + 1)) {
      return nodelist.item(index + 1);
    }
    return null;
  }
The main entry point for processing

@throws Exception if any errors occur.
extensions/geode-modules-session/src/main/java/org/apache/geode/modules/session/installer/Installer.java