docs: public int getNodeCount(String strKey)
      {
          int iCount = 0;
          Node node = this.getNode(null, strKey, CreateMode.DONT_CREATE, false);
          if (node != null)
          {
              String key = strKey;
              if (key.lastIndexOf('/') != -1)
                  key = key.substring(key.lastIndexOf('/') + 1);
              Node nodeStart = node.getParentNode();
              NodeList nodeList = ((Element)nodeStart).getElementsByTagName(key);
              if (nodeList != null)
              {
                  for (int i = 0; i < nodeList.getLength(); i++)
                  {
                      if (nodeList.item(i).getParentNode() == nodeStart)
                          iCount++;    // Get the last child.
                  }
              }
          }
          return iCount;   // Override this
      }