--- /dev/null
+/*
+ * Copyright (c) 2016 Samsung Electronics Co.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+/**
+ * @file src/common/types/Protocol.h
+ * @author Oskar Świtalski <o.switalski@samsung.com>
+ * @brief Definition of common types and consts
+ */
+
+#pragma once
+
+#include <cstdint>
+
+namespace AskUser {
+namespace Protocol {
+
+constexpr uint8_t dissmisCode = 0xDE;
+constexpr uint8_t ackCode = 0xAC;
+
+} // namespace Protocol
+} // namespace AskUser