tion() {
		return $this->search_engines_are_discouraged() && $this->options_helper->get( 'ignore_search_engines_discouraged_notice', false ) === false;
	}

	/**
	 * Remove the search engines discouraged notification if it exists.
	 *
	 * @return void
	 */
	protected function remove_search_engines_discouraged_notification_if_exists() {
		$this->notification_center->remove_notification_by_id( self::NOTIFICATION_ID );
	}

	/**
	 * Add the search engines discouraged notification if it does not exist yet.
	 *
	 * @return void
	 */
	protected function maybe_add_search_engines_discouraged_notification() {
		if ( ! $this->notification_center->get_notification_by_id( self::NOTIFICATION_ID ) ) {
			$notification = $this->notification();
			$this->notification_helper->restore_notification( $notification );
			$this->notification_center->add_notification( $notification );
		}
	}

	/**
	 * Checks whether search engines are discouraged from indexing the site.
	 *
	 * @return bool Whether search engines are discouraged from indexing the site.
	 */
	protected function search_engines_are_discouraged() {
		return (string) \get_option( 'blog_public' ) === '0';
	}

	/**
	 * Whether the search engines notice should be shown.
	 *
	 * @return bool
	 */
	protected function should_show_search_engines_discouraged_notice() {
		$pages_to_show_notice = [
			'index.php',
			'plugins.php',
			'update-core.php',
		];

		return (
			$this->search_engines_are_discouraged()
			&& $this->capability_helper->current_user_can( 'manage_options' )
			&& $this->options_helper->get( 'ignore_search_engines_discouraged_notice', false ) === false
			&& (
				$this->current_page_helper->is_yoast_seo_page()
				|| \in_array( $this->current_page_helper->get_current_admin_page(), $pages_to_show_notice, true )
			)
			&& $this->current_page_helper->get_current_yoast_seo_page() !== 'wpseo_dashboard'
		);
	}

	/**
	 * Show the search engines discouraged notice.
	 *
	 * @return void
	 */
	protected function show_search_engines_discouraged_notice() {
		\printf(
			'<div id="robotsmessage" class="notice notice-error">%1$s</div>',
			// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Output from present() is considered safe.
			$this->presenter->present()
		);
	}

	/**
	 * Returns an instance of the notification.
	 *
	 * @return Yoast_Notification The notification to show.
	 */
	protected function notification() {
		return new Yoast_Notification(
			$this->presenter->present(),
			[
				'type'         => Yoast_Notification::ERROR,
				'id'           => self::NOTIFICATION_ID,
				'capabilities' => 'wpseo_manage_options',
				'priority'     => 1,
			]
		);
	}
}