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import inorderTraversal from "../binary-tree-inorder-traversal/index.ts";import { TreeNode } from "../binary-tree-inorder-traversal/TreeNode.ts";
export default function getMinimumDifference(root: TreeNode | null): number {    const nums = inorderTraversal(root);
    return Math.min(        ...nums.map((v, i, a) => Math.abs((a[i + 1] ?? Infinity) - v)),    );}