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diff --git a/runtime/neurun/frontend/nnapi/wrapper/NNAPIConvert.h b/runtime/neurun/frontend/nnapi/wrapper/NNAPIConvert.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.
+ */
+
+/**
+ * @file  NNAPIConvert.h
+ * @brief This file contains convereter(s)\n
+ *        from NNAPI frontend's struct to neurun's internal struct
+ */
+#ifndef __NEURUN_NNAPI_CONVERT_H__
+#define __NEURUN_NNAPI_CONVERT_H__
+
+#include <NeuralNetworks.h>
+
+#include <ir/TypeInfo.h>
+#include <ir/Shape.h>
+#include <ir/InternalType.h>
+
+class NNAPIConvert
+{
+
+public:
+  /**
+   * @brief     Convert data type from NNAPI to internal data type
+   * @param[in] type  NNAPI's data type
+   * @return    neurun's internal data type
+   */
+  static neurun::ir::DataType getDataType(OperandCode type);
+
+  /**
+   * @brief     Convert operand type info from NNAPI to interanl operand type info
+   * @param[in] type  NNAPI's operand type
+   * @return    neurun's internal operand type info
+   */
+  static neurun::ir::TypeInfo getTypeInfo(const ANeuralNetworksOperandType *type);
+
+  /**
+   * @brief     Convert operand shape info from NNAPI to internal operand shape
+   * @param[in] type  NNAPI's operand type
+   * @return    neurun's internal operand shape
+   */
+  static neurun::ir::Shape getShape(const ANeuralNetworksOperandType *type);
+
+  /**
+   * @brief     Calcaulate operand size from NNAPI type
+   * @param[in] type  NNAPI's operand type
+   * @return    Operand size
+   */
+  static size_t calculateSizeFromType(const ANeuralNetworksOperandType *type);
+
+  /**
+   * @brief     Convert NNAPI FuseCode to internal activation type
+   * @param[in] act NNAPI's FuseCode type
+   * @return    neurun's internal activation type
+   */
+  static neurun::ir::Activation getFusedActivation(FuseCode act);
+
+  /**
+   * @brief     Convert NNAPI PaddingCode to internal padding type
+   * @param[in] type NNAPI's PaddingCode type
+   * @return    neurun's internal padding type
+   */
+  static neurun::ir::PaddingType getPaddingType(PaddingCode type);
+};
+
+#endif // __NEURUN_NNAPI_CONVERT_H__