@return {boolean}

* Copyright 2016 Google Inc. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file e

Promise objects represent the eventual result of an asynchronous operation. The primary way of interacting with a promise is through its `then`

* @return {Set<InertNode>} A copy of this InertRoot's managed nodes set.

@return {Node}

@param {number} tabIndex