--- /dev/null
+/*
+ * @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_SystemServicesIf
+/// \brief This file supports string vector type definitions.
+///
+///////////////////////////////////////////////////////////////////////////////
+/**
+ * @file
+ */
+#ifndef SS_SYSTEM_TYPES_H_ // NOLINT (build/header_guard)
+#define SS_SYSTEM_TYPES_H_
+
+#include <vector>
+#include <string>
+
+
+typedef std::string SS_String;
+typedef std::vector< std::string > StringList;
+typedef std::vector< std::string >::iterator StringListIter;
+
+#endif /* SS_SYSTEM_TYPES_H_ */ // NOLINT (build/header_guard)