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diff --git a/runtime/neurun/frontend/nnapi/wrapper/ANeuralNetworksModel.h b/runtime/neurun/frontend/nnapi/wrapper/ANeuralNetworksModel.h
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+++ b/runtime/neurun/frontend/nnapi/wrapper/ANeuralNetworksModel.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2018 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 __MODEL_H__
+#define __MODEL_H__
+
+#include <unordered_set>
+#include <NeuralNetworks.h>
+#include <NeuralNetworksEx.h>
+
+#include "ir/Graph.h"
+
+struct ANeuralNetworksModel
+{
+public:
+  enum class OperandUsage
+  {
+    NOT_DEFINED = 0,
+    MODEL_INPUT,
+    CONSTANT,
+    OPERATION_OUTPUT,
+  };
+
+public:
+  ANeuralNetworksModel() noexcept;
+
+public:
+  bool addOperand(const ANeuralNetworksOperandType *type) noexcept;
+  bool setOperandValue(uint32_t index, const void *buffer, size_t length, bool optional = false,
+                       bool copy = false) noexcept;
+  bool addOperation(ANeuralNetworksOperationType type, uint32_t inputCount, const uint32_t *inputs,
+                    uint32_t outputCount, const uint32_t *outputs) noexcept;
+  bool addOperationEx(ANeuralNetworksOperationTypeEx type, uint32_t inputCount,
+                      const uint32_t *inputs, uint32_t outputCount,
+                      const uint32_t *outputs) noexcept;
+  bool addModelInput(uint32_t index) noexcept;
+  bool addModelOutput(uint32_t index) noexcept;
+  bool finish() noexcept;
+
+  neurun::ir::Graph &deref(void) { return *_graph; }
+  bool isFinished() noexcept;
+  bool isExistOperand(uint32_t index) noexcept;
+  size_t operandSize(uint32_t index) noexcept;
+  bool isUsageSet(uint32_t index) noexcept;
+  bool isOperationOutput(uint32_t index) noexcept;
+  void release(std::shared_ptr<neurun::ir::Graph> &graph) { graph = _graph; }
+
+private:
+  void setOptionalOperand(const neurun::ir::OperandIndex idx);
+  void fillOptionalOperand(void);
+
+private:
+  std::shared_ptr<neurun::ir::Graph> _graph;
+  std::unordered_set<neurun::ir::OperandIndex> _optional_operands;
+  std::vector<OperandUsage> _operand_usages;
+};
+
+#endif // __MODEL_H__