}
		return false;
	}

	/**
	 * Checks whether the product can be upgraded to a different product.
	 *
	 * @return boolean
	 */
	public static function is_upgradable() {
		$has_ai_feature = static::does_site_have_feature( 'ai-assistant' );
		$current_tier   = self::get_current_usage_tier();

		// Mark as not upgradable if user is on unlimited tier or does not have any plan.
		if ( ! $has_ai_feature || null === $current_tier || 1 === $current_tier ) {
			return false;
		}

		return true;
	}

	/**
	 * Get the URL the user is taken after purchasing the product through the checkout
	 *
	 * @return ?string
	 */
	public static function get_post_checkout_url() {
		return '/wp-admin/admin.php?page=my-jetpack#/jetpack-ai';
	}

	/**
	 * Get the URL the user is taken after activating the product through the checkout
	 *
	 * @return ?string
	 */
	public static function get_post_activation_url() {
		return '/wp-admin/admin.php?page=my-jetpack#/jetpack-ai';
	}

	/**
	 * Get the URL where the user manages the product
	 *
	 * @return ?string
	 */
	public static function get_manage_url() {
		return '/wp-admin/admin.php?page=my-jetpack#/add-jetpack-ai';
	}

	/**
	 * Checks whether the plugin is installed
	 *
	 * @return boolean
	 */
	public static function is_plugin_installed() {
		return self::is_jetpack_plugin_installed();
	}

	/**
	 * Checks whether the plugin is active
	 *
	 * @return boolean
	 */
	public static function is_plugin_active() {
		return (bool) static::is_jetpack_plugin_active();
	}

	/**
	 * Get data about the AI Assistant feature
	 *
	 * @return array
	 */
	public static function get_ai_assistant_feature() {
		// Bail early if the plugin is not active.
		if ( ! self::is_jetpack_plugin_installed() ) {
			return array();
		}

		// Check if the global constant is defined.
		if ( ! defined( 'JETPACK__PLUGIN_DIR' ) ) {
			return array();
		}

		// Bail early if the site is not connected.
		if ( ! self::is_site_connected() ) {
			return array();
		}

		// Check if class exists. If not, try to require it once.
		if ( ! class_exists( 'Jetpack_AI_Helper' ) ) {
			$class_file_path = JETPACK__PLUGIN_DIR . '_inc/lib/class-jetpack-ai-helper.php';

			// Check whether the file exists
			if ( ! file_exists( $class_file_path ) ) {
				return array();
			}

			require_once $class_file_path;
		}

		return \Jetpack_AI_Helper::get_ai_assistance_feature();
	}

	/**
	 * Checks whether the site is connected to WordPress.com.
	 *
	 * @return boolean
	 */
	private static function is_site_connected() {
		return ( new Connection_Manager() )->is_connected();
	}

	/**
	 * Get the URL where the user manages the product
	 *
	 * NOTE: this method is the only thing that resembles an initialization for the product.
	 *
	 * @return void
	 */
	public static function extend_plugin_action_links() {
		add_action( 'admin_enqueue_scripts', array( static::class, 'admin_enqueue_scripts' ) );
		add_filter( 'default_content', array( static::class, 'add_ai_block' ), 10, 2 );
	}

	/**
	 * Enqueue the AI Assistant script
	 *
	 * The script is just a global variable used for the nonce, needed for the create post link.
	 *
	 * @return void
	 */
	public static function admin_enqueue_scripts() {
		wp_register_script(
			'my_jetpack_ai_app',
			false,
			array(),
			Initializer::PACKAGE_VERSION,
			array( 'in_footer' => true )
		);
		wp_localize_script(
			'my_jetpack_ai_app',
			'jetpackAi',
			array(
				'nonce' => wp_create_nonce( 'ai-assistant-content-nonce' ),
			)
		);
		wp_enqueue_script( 'my_jetpack_ai_app' );
	}

	/**
	 * Add AI block to the post content
	 *
	 * Used only from the link on the product page, the filter will insert an AI Assistant block in the post content.
	 *
	 * @param string  $content The post content.
	 * @param WP_Post $post The post object.
	 * @return string
	 */
	public static function add_ai_block( $content, WP_Post $post ) {
		if ( isset( $_GET['use_ai_block'] ) && isset( $_GET['_wpnonce'] )
			&& wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'ai-assistant-content-nonce' )
			&& current_user_can( 'edit_post', $post->ID )
			&& '' === $content
		) {
			return '<!-- wp:jetpack/ai-assistant /-->';
		}
		return $content;
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'Automattic\Jetpack\My_Jetpack\Products\Jetpack_Ai' not found in /var/www/html/revistarealce.com/web/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-my-jetpack/src/class-products.php:285
Stack trace:
#0 /var/www/html/revistarealce.com/web/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-my-jetpack/src/class-initializer.php(82): Automattic\Jetpack\My_Jetpack\Products::extend_plugins_action_links()
#1 /var/www/html/revistarealce.com/web/wp-content/plugins/jetpack/class.jetpack.php(979): Automattic\Jetpack\My_Jetpack\Initializer::init()
#2 /var/www/html/revistarealce.com/web/wp-includes/class-wp-hook.php(324): Jetpack-&gt;late_initialization('')
#3 /var/www/html/revistarealce.com/web/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#4 /var/www/html/revistarealce.com/web/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#5 /var/www/html/revistarealce.com/web/wp-settings.php(550): do_action('plugins_loaded')
#6 /var/www/html/revistarealce.com/ in <b>/var/www/html/revistarealce.com/web/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-my-jetpack/src/class-products.php</b> on line <b>285</b><br />