method BinarySearchTree.prototype.minRe-exportimport { BinarySearchTree } from "https://deno.land/x/masx200_leetcode_test@10.6.2/deps.ts"; min(node?: BinarySearchTreeNode<T>): BinarySearchTreeNode<T> | nullParametersoptionalnode: BinarySearchTreeNode<T>ReturnsBinarySearchTreeNode<T> | null