
我也是同样的问题,请问解决了吗?
insertChild(child: Node, siblingIndex: number): void;
/**
!#en
Inserts a child to the node at a specified index.
!#zh
插入子节点到指定位置
@param child the child node to be inserted
@param siblingIndex the sibling index to place the child in
@example
```js
node.insertChild(child, 2);
```
*/
insertChild(child: Node, siblingIndex: number): void;
