protected function updateTitle() {
		$title = $this->getTitle();
		if ( $title !== null ) {
			// Only if this is an AccessKeyedElement
			if ( method_exists( $this, 'formatTitleWithAccessKey' ) ) {
				$title = $this->formatTitleWithAccessKey( $title );
			}
			$this->titled->setAttributes( [ 'title' => $title ] );
		} else {
			$this->titled->removeAttributes( [ 'title' ] );
		}
		return $this;
	}