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return () => {
window.removeEventListener('keydown', closeListener)
}
}, [hideExtendedSettings])
// render only the expanded, so only one extended settings exist
if (!expanded) return null
// render even if not yet visible, because of ref.
return (
<content name="{name}">
<header>
<h4 style="{{">Erweiterte Einstellungen</h4>
</header>
<div>
<footer name="{name}">
Schließen
</footer>
</div></content>