Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\flutter_api\vendor\phpdocumentor\reflection-docblock\src\DocBlock\Serializer.php on line 3

Fatal error: Default value for parameters with a class type hint can only be NULL in D:\xampp\htdocs\flutter_api\vendor\phpdocumentor\reflection-docblock\src\DocBlock\Serializer.php on line 55