--- /dev/null
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\ArrayUtils;
+
+/**
+ * Marker interface: can be used to replace keys completely in {@see ArrayUtils::merge()} operations
+ */
+interface MergeReplaceKeyInterface
+{
+ /**
+ * @return mixed
+ */
+ public function getData();
+}