/**
 * 嵌套结构树节点
 * @example
 * ```ts
 * const nodes: NestedTreeNode[] = [
    {
      id: '1',
      children: [
        {
          id: '2',
          children: [
            { id: '4' },
          ]
        },
        { id: '3' },
      ]
    },
  ];
  ```
 */
export interface NestedTreeNode {
    id: string;
    pid?: string;
    children?: NestedTreeNode[];
}