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+/**
+ * Copyright (C) 2021 Saturneric <[email protected]>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#pragma once
+
+namespace GpgFrontend {
+
+/**
+ * @brief set a temp cache under a certain key
+ *
+ */
+void GPGFRONTEND_CORE_EXPORT SetCacheValue(const QString &key, QString value);
+
+/**
+ * @brief after get the temp cache, its value will be imediately ease in
+ * storage
+ *
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetCacheValue(const QString &key) -> QString;
+
+/**
+ * @brief imediately ease temp cache in storage
+ *
+ * @return QString
+ */
+void GPGFRONTEND_CORE_EXPORT ResetCacheValue(const QString &);
+
+} // namespace GpgFrontend