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diff --git a/runtimes/neurun/core/include/backend/ITensorManager.h b/runtimes/neurun/core/include/backend/ITensorManager.h
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+++ b/runtimes/neurun/core/include/backend/ITensorManager.h
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+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * 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.
+ */
+
+#ifndef __NEURUN_BACKEND_ITENSOR_MANAGER_H__
+#define __NEURUN_BACKEND_ITENSOR_MANAGER_H__
+
+namespace neurun
+{
+namespace backend
+{
+
+// NOTE This name ITensorManager has been discussed whether or not the name is proper.
+// Anyone can argue with any better name.
+/**
+ * @brief Interface as an abstract tensor manager which has MemoryManager
+ */
+struct ITensorManager
+{
+  virtual ~ITensorManager() = default;
+
+  virtual void allocateConsts(void) = 0;
+  virtual void allocateNonconsts(void) = 0;
+  virtual void deallocateConsts(void) = 0;
+  virtual void deallocateNonconsts(void) = 0;
+};
+
+} // namespace backend
+} // namespace neurun
+
+#include <unordered_set>
+#include <memory>
+
+namespace neurun
+{
+namespace backend
+{
+
+using TensorManagerSet = std::unordered_set<std::unique_ptr<backend::ITensorManager>>;
+
+} // namespace backend
+} // namespace neurun
+
+#endif // __NEURUN_BACKEND_ITENSOR_MANAGER_H__