/**
* @license
* Copyright The Closure Library Authors.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Page visibility states for PageVisiblityMonitor.
*/
goog.module('goog.labs.dom.PageVisibilityState');
goog.module.declareLegacyNamespace();
/**
* The different visibility states.
* @enum {string}
*/
exports = {
HIDDEN: 'hidden',
VISIBLE: 'visible',
PRERENDER: 'prerender',
UNLOADED: 'unloaded'
};