*/ protected static array $customFormModifications = []; public static function modifyForm(Closure $closure): void { static::$customFormModifications[] = $closure; } public static function defaultForm(Form $form): Form { return $form; } public static function form(Form $form): Form { $form = static::defaultForm($form); foreach (static::$customFormModifications as $closure) { $form = $closure($form); } return $form; } }