Merge branch '5.2' into 5.x

* 5.2:
  [UID] refer to AbstractUid instead of "parent"

Uuid.php

@@ -126,7 +126,7 @@ public function toRfc4122(): string
         return $this->uid;
     }
 
-    public function compare(parent $other): int
+    public function compare(AbstractUid $other): int
     {
         if (false !== $cmp = uuid_compare($this->uid, $other->uid)) {
             return $cmp;