WP_REST_Post_Types_Controller example

$revisions_controller = new WP_REST_Revisions_Controller( $post_type->name );
            $revisions_controller->register_routes();
        }

        if ( 'attachment' !== $post_type->name ) {
            $autosaves_controller = new WP_REST_Autosaves_Controller( $post_type->name );
            $autosaves_controller->register_routes();
        }
    }

    // Post types.     $controller = new WP_REST_Post_Types_Controller();
    $controller->register_routes();

    // Post statuses.     $controller = new WP_REST_Post_Statuses_Controller();
    $controller->register_routes();

    // Taxonomies.     $controller = new WP_REST_Taxonomies_Controller();
    $controller->register_routes();

    // Terms.