_new_content_type_notification', true );
		$this->maybe_add_notification();
	}

	/**
	 * Update db when a post type is made removed.
	 *
	 * @param array $newly_made_non_public_taxonomies The newly made non public post types.
	 * @return void
	 */
	public function clean_new_public_taxonomy( $newly_made_non_public_taxonomies ) {
		// See if post types that needs review were removed and update option.
		$needs_review     = $this->options->get( 'new_taxonomies', [] );
		$new_needs_review = \array_diff( $needs_review, $newly_made_non_public_taxonomies );
		if ( \count( $new_needs_review ) !== \count( $needs_review ) ) {
			$this->options->set( 'new_taxonomies', $new_needs_review );
			$this->content_type_dismiss_notifications->maybe_dismiss_notifications( [ 'new_taxonomies' => $new_needs_review ] );
		}
	}

	/**
	 * Decides if a notification should be added in the notification center.
	 *
	 * @return void
	 */
	public function maybe_add_notification() {
		$notification = $this->notification_center->get_notification_by_id( 'content-types-made-public' );
		if ( \is_null( $notification ) ) {
			$this->add_notification();
		}
	}

	/**
	 * Adds a notification to be shown on the next page request since posts are updated in an ajax request.
	 *
	 * @return void
	 */
	private function add_notification() {
		$message = \sprintf(
			/* translators: 1: Opening tag of the link to the Search appearance settings page, 2: Link closing tag. */
			\esc_html__( 'You\'ve added a new type of content. We recommend that you review the corresponding %1$sSearch appearance settings%2$s.', 'wordpress-seo' ),
			'<a href="' . \esc_url( \admin_url( 'admin.php?page=wpseo_page_settings' ) ) . '">',
			'</a>'
		);

		$notification = new Yoast_Notification(
			$message,
			[
				'type'         => Yoast_Notification::WARNING,
				'id'           => 'content-types-made-public',
				'capabilities' => 'wpseo_manage_options',
				'priority'     => 0.8,
			]
		);

		$this->notification_center->add_notification( $notification );
	}
}