method BinarySearchTreeNode.prototype.setParentRe-exportimport { BinarySearchTreeNode } from "https://deno.land/x/masx200_leetcode_test@8.0.2/deps.ts"; setParent(parent?: BinarySearchTreeNode<T>): BinarySearchTreeNode<T>Parametersoptionalparent: BinarySearchTreeNode<T>ReturnsBinarySearchTreeNode<T>