Warning: Unsupported declare 'strict_types' in C:\Apache24\htdocs\zz_drupal\core\modules\ckeditor5\tests\src\FunctionalJavascript\SourceEditingEmptyElementTest.php on line 3

Parse error: syntax error, unexpected '?', expecting '&' or variable (T_VARIABLE) in C:\Apache24\htdocs\zz_drupal\core\modules\ckeditor5\tests\src\FunctionalJavascript\SourceEditingEmptyElementTest.php on line 33