Add get and set resettables

Author: brendt

packages/container/src/GenericContainer.php

@@ -728,4 +728,16 @@ public function reset(): self
 
         return $this;
     }
+
+    public function getResettables(): array
+    {
+        return $this->resettables->getArrayCopy();
+    }
+
+    public function setResettables(array $resettables): self
+    {
+        $this->resettables = new ArrayIterator($resettables);
+
+        return $this;
+    }
 }