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diff --git a/service/native/framework_unified/client/NS_ConfigParser/include/ns_cfg_parser.h b/service/native/framework_unified/client/NS_ConfigParser/include/ns_cfg_parser.h
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+/*
+ * @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION.
+ *
+ * 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.
+ */
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+/// \ingroup  tag_NS_ConfigParser
+/// \brief    This file contains the declaration of class CCFGParser.
+///       This class contains the parsing logic for reading and writing from and to cfg files
+///       respectively.
+///
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef FRAMEWORK_UNIFIED_CLIENT_NS_CONFIGPARSER_INCLUDE_NS_CFG_PARSER_H_
+#define FRAMEWORK_UNIFIED_CLIENT_NS_CONFIGPARSER_INCLUDE_NS_CFG_PARSER_H_
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Include Files
+////////////////////////////////////////////////////////////////////////////////////////////////////
+#include <native_service/frameworkunified_types.h>
+#include <string>
+#include <map>
+
+// forward declaration of classes
+class CNode;
+class CBlock;
+
+typedef std::map<std::string, CBlock *> CFGData_Type;
+
+class CCFGParser {
+ public:
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  /// CCFGParser
+  /// Constructor of CCFGReader class
+  ///
+  /// \param
+  ///
+  /// \return
+  ///
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  CCFGParser();
+
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  /// CCFGParser
+  /// Constructor of CCFGReader class
+  ///
+  /// \param  [IN] f_c_filepath
+  ///     std::string - Full path of the configuration file
+  ///
+  /// \return
+  ///
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  explicit CCFGParser(const std::string &f_c_filepath);
+
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  /// ~CCFGParser
+  /// Destructor of CCFGReader class
+  ///
+  /// \param
+  ///
+  /// \return
+  ///
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  ~CCFGParser();
+
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  /// CFGParseFile
+  /// This function is used to parse the configuration file and store data in internal structure
+  ///
+  /// \param  [IN] f_c_filepath
+  ///     std::string - full path of the configuration file
+  ///
+  /// \return EFrameworkunifiedStatus - success or failure
+  ///
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  EFrameworkunifiedStatus CFGParseFile(const std::string &f_c_filepath);
+
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  /// CFGGetData
+  /// This function is used to get the value associated with the key from internal CFG structure
+  ///
+  /// \param  [IN] f_c_key
+  ///     std::string - key to search
+  ///
+  /// \return std::string - value for key
+  ///
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  std::string CFGGetData(const std::string &f_c_key);
+
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  /// CFGGetData
+  /// This function is used to get the value associated with the key from internal CFG structure
+  ///
+  /// \param  [IN] f_c_key
+  ///     std::string - key to search
+  /// \param  [IN] f_c_value
+  ///     std::string - Value of key
+  ///
+  /// \return EFrameworkunifiedStatus
+  ///     EFrameworkunifiedStatus - error if key not founf or else eFrameworkunifiedStatusOK
+  ///
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  EFrameworkunifiedStatus CFGGetData(const std::string &f_c_key, std::string &f_c_value);  // NOLINT (readability/nolint)
+
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  /// CFGSetData
+  /// This function is used to set the value for the key in internal CFG structure
+  ///
+  /// \param  [IN] f_c_key
+  ///     std::string - key to search
+  /// \param  [IN] f_c_value
+  ///     std::string - value to set
+  ///
+  /// \return EFrameworkunifiedStatus - success or failure
+  ///
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  EFrameworkunifiedStatus CFGSetData(const std::string &f_c_key, std::string f_c_value);
+
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  /// CFGSaveData
+  /// This function is used to save the changed value to the cfg config file
+  ///
+  /// \param  [IN] f_c_filepath
+  ///     std::string - full path of the configuration file
+  ///
+  /// \return EFrameworkunifiedStatus - success or failure
+  ///
+  ////////////////////////////////////////////////////////////////////////////////////////////////
+  EFrameworkunifiedStatus CFGSaveData(const std::string &f_c_filepath);
+
+ private:
+  // internal data structure created by parsing the cfg file
+  CFGData_Type *m_pmCFGData;
+  std::string m_cLastComment;
+};
+
+#endif  // FRAMEWORK_UNIFIED_CLIENT_NS_CONFIGPARSER_INCLUDE_NS_CFG_PARSER_H_