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diff --git a/src/components/include/hmi_message_handler/hmi_message_handler.h b/src/components/include/hmi_message_handler/hmi_message_handler.h
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+/*
+ * Copyright (c) 2016, Ford Motor Company
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * Neither the name of the Ford Motor Company nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SRC_COMPONENTS_INCLUDE_HMI_MESSAGE_HANDLER_HMI_MESSAGE_HANDLER_H_
+#define SRC_COMPONENTS_INCLUDE_HMI_MESSAGE_HANDLER_HMI_MESSAGE_HANDLER_H_
+
+#include "hmi_message_handler/hmi_message_sender.h"
+#include "hmi_message_handler/hmi_message_observer.h"
+#include "hmi_message_handler/hmi_message_handler_settings.h"
+
+namespace hmi_message_handler {
+
+class HMIMessageAdapter;
+/**
+ * \class HMIMessageHandler
+ * \brief Abstract class for handling different HMI adapters;
+ * establishing interface for message exchange between SDL core and HMI.
+ */
+class HMIMessageHandler : public HMIMessageObserver, public HMIMessageSender {
+ public:
+  virtual ~HMIMessageHandler() {}
+  virtual void AddHMIMessageAdapter(HMIMessageAdapter* adapter) = 0;
+  virtual void RemoveHMIMessageAdapter(HMIMessageAdapter* adapter) = 0;
+
+  /**
+   * \brief Hmi message handler settings getter
+   * \return pointer to hmi message handler settings class
+   */
+  virtual const HMIMessageHandlerSettings& get_settings() const = 0;
+};
+
+}  // namespace hmi_message_handler
+
+#endif  // SRC_COMPONENTS_INCLUDE_HMI_MESSAGE_HANDLER_HMI_MESSAGE_HANDLER_H_