Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\flutter_api\vendor\kreait\firebase-php\src\Firebase\DynamicLink\ShortenLongDynamicLink\ApiRequest.php on line 3

Fatal error: Interface 'Psr\Http\Message\RequestInterface' not found in D:\xampp\htdocs\flutter_api\vendor\kreait\firebase-php\src\Firebase\DynamicLink\ShortenLongDynamicLink\ApiRequest.php on line 15