implement Potter\Cloneable

src/Potter/Cloneable/CloneableInterface.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Cloneable;
+
+interface CloneableInterface 
+{
+    public function clone(): static;
+}

src/Potter/Cloneable/CloneableTrait.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Potter\Cloneable;
+
+trait CloneableTrait 
+{
+    final public function clone(): static
+    {
+        return clone $this;
+    }
+}