public TodoItemNode getFirstPointerForElement(@Nullable Object element) {
    if (element instanceof TodoItemNode) {
      return (TodoItemNode)element;
    }
    else if (element == null) {
      return null;
    }
    else {
      Object[] children = getTodoTreeStructure().getChildElements(element);
      if (children.length == 0) {
        return null;
      }
      Object firstChild = children[0];
      if (firstChild instanceof TodoItemNode) {
        return (TodoItemNode)firstChild;
      }
      else {
        return getFirstPointerForElement(firstChild);
      }
    }
  }
public TodoItemNode getFirstPointerForElement(@Nullable Object element)