[ticket/12683] Move state related code to helper class

PHPBB3-12683

phpBB/phpbb/search/exception/action_in_progress_exception.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ *
+ * This file is part of the phpBB Forum Software package.
+ *
+ * @copyright (c) phpBB Limited <https://www.phpbb.com>
+ * @license GNU General Public License, version 2 (GPL-2.0)
+ *
+ * For full copyright and license information, please see
+ * the docs/CREDITS.txt file.
+ *
+ */
+
+namespace phpbb\search\exception;
+
+
+class action_in_progress_exception extends search_exception
+{
+
+}