define( 'WP_PLUGIN_DIR', 'gs://wp-testing/plugins' );
define( 'WP_PLUGIN_URL', 'gs://wp-testing/plugins');include and requireTo help maintain the security of your application, the ability to include or require from a GCS file is disabled by default, but you can enable it, as follows:
To include or require PHP code from Google Cloud Storage in your application, you must specify which buckets contain those files using the google_app_engine.allow_include_gs_buckets directive in your php.ini file.