Aggiornato Composer

vendor/ramsey/collection/src/Set.php

@@ -44,10 +44,8 @@ class Set extends AbstractSet
      * The type of elements stored in this set
      *
      * A set's type is immutable. For this reason, this property is private.
-     *
-     * @var string
      */
-    private $setType;
+    private string $setType;
 
     /**
      * Constructs a set object of the specified type, optionally with the