Automattic / jetpack

			return new WP_Error( 'not_installed', esc_html__( 'Please install Akismet.', 'jetpack' ), array( 'status' => 400 ) );

		}

		if ( ! class_exists( 'Akismet' ) ) {

			return new WP_Error( 'not_active', esc_html__( 'Please activate Akismet.', 'jetpack' ), array( 'status' => 400 ) );

		}

		// What about if Akismet is put in a sub-directory or maybe in mu-plugins?

		require_once WP_PLUGIN_DIR . '/akismet/class.akismet.php';

	 * @return mixed|WP_Error VaultPress site data. Otherwise, a WP_Error instance with the corresponding error.

	 */

	public function get_vaultpress_data() {

		if ( ! class_exists( 'VaultPress' ) ) {

			return new WP_Error(

				'not_active',

				esc_html__( 'The requested Jetpack module is not active.', 'jetpack' ),

				array( 'status' => 404 )

			);

		}

		$vaultpress = new VaultPress();

		if ( ! $vaultpress->is_registered() ) {