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+<?php
+/**
+ * @author Robin McCorkell <rmccorkell@owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\Files_External\Lib;
+
+use \OCP\Files\Storage;
+use \OCA\Files_External\Lib\StorageConfig;
+
+/**
+ * Trait for objects that can modify StorageConfigs and wrap Storages
+ */
+trait StorageModifierTrait {
+
+ /**
+ * Modify a StorageConfig parameters
+ *
+ * @param StorageConfig $storage
+ */
+ public function manipulateStorageConfig(StorageConfig &$storage) {
+ }
+
+ /**
+ * Wrap a Storage if necessary
+ *
+ * @param Storage $storage
+ * @return Storage
+ */
+ public function wrapStorage(Storage $storage) {
+ return $storage;
+ }
+
+}
+