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import { TreeNode } from "../binary-tree-inorder-traversal/TreeNode.ts";import maxDepth from "../maximum-depth-of-binary-tree/index.ts";
export default function subtreeWithAllDeepest(    root: TreeNode | null,): TreeNode | null {    if (root == null) {        return null;    }
    const left = maxDepth(root.left);    const right = maxDepth(root.right);    if (left === right) return root;    if (left < right) return subtreeWithAllDeepest(root.right);    return subtreeWithAllDeepest(root.left);}