change signature

googleapis · Aug 12, 2022 · fd328db · fd328db
1 parent 8a4e99e
commit fd328db
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Ast/AST.php b/src/Ast/AST.php
@@ -121,7 +121,7 @@ protected function clone(callable $fnOnClone)
      *
      * @return PhpFile
      */
-    public static function file(PhpClass $class = null): PhpFile
+    public static function file(?PhpClass $class): PhpFile
     {
         return new PhpFile($class);
     }