/*
         * Explicitly add the default profile to the list of mutators, as even if it is
         * empty by default, it is not. If it would actually contain the default profile
         * by default, it would make the profiles feature more obvious to configure.
         */
        $configObject->mutators = [
            // this commentAfter will appear in JSON5
            '@default' => new CommentDecorator(true, commentAfter: 'Explicitly add the default profile'),
        ];