Tree方法类型
TreeSearchFunc
typescript
type TreeSearchFunc<T = any> = (
treeNode: T,
info: TreeNodeInfo<T>
) => boolean
树的搜索函数类型，尽量不要在search函数中修改节点数据。
TreeOperationFunc
typescript
type TreeOperationFunc<T = any> = (
treeNode: T,
info: TreeNodeInfo<T>
) => void