public static void addChildrenTo(final @NotNull MutableTreeNode node, final @NotNull List<? extends TreeNode> children) {
    for (final Object aChildren : children) {
      final MutableTreeNode child = (MutableTreeNode)aChildren;
      node.insert(child, node.getChildCount());
    }
  }
public static void addChildrenTo(final @NotNull MutableTreeNode node, final @NotNull List<? extends TreeNode> children)