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* @fileoverview Manual A11y audit to check that offscreen content is hidden from
* assistive technology.
*/
classOffscreenContentHiddenextendsManualAudit{
/**
* @return {LH.Audit.Meta}
*/
staticgetmeta(){
returnObject.assign({
id: 'offscreen-content-hidden',
description: 'Offscreen content is hidden with display: none or aria-hidden=true. [Learn how to properly hide offscreen content](https://developer.chrome.com/docs/lighthouse/accessibility/offscreen-content-hidden/).',
title: 'Offscreen content is hidden from assistive technology',