method BinarySearchTree.prototype.upperBoundRe-exportimport { BinarySearchTree } from "https://deno.land/x/masx200_leetcode_test@10.6.2/deps.ts"; upperBound(value: T, includeEqual?: boolean): BinarySearchTreeNode<T> | nullParametersvalue: ToptionalincludeEqual: booleanReturnsBinarySearchTreeNode<T> | null