public int removeChildNode(XDebuggerTreeNode node) {
    int index = myChildren.indexOf(node);
    if (index != -1) {
      myChildren.remove(node);
      fireNodesRemoved(new int[]{index + headerNodesCount()}, new TreeNode[]{node});
    }
    return index;
  }
public int removeChildNode(XDebuggerTreeNode node)