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diff --git a/tensorflow/contrib/tensorrt/convert/convert_nodes.h b/tensorflow/contrib/tensorrt/convert/convert_nodes.h
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+++ b/tensorflow/contrib/tensorrt/convert/convert_nodes.h
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+/* Copyright 2018 The TensorFlow Authors. 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 TENSORFLOW_CONTRIB_TENSORRT_CONVERT_CONVERT_NODES_H_
+#define TENSORFLOW_CONTRIB_TENSORRT_CONVERT_CONVERT_NODES_H_
+
+#include <set>
+#include <utility>
+#include <vector>
+
+#include "tensorflow/core/framework/graph.pb.h"
+#include "tensorflow/core/graph/graph.h"
+#include "tensorflow/core/grappler/costs/graph_properties.h"
+#include "tensorflow/core/lib/core/status.h"
+
+#if GOOGLE_CUDA
+#if GOOGLE_TENSORRT
+
+namespace tensorflow {
+namespace tensorrt {
+namespace convert {
+
+tensorflow::Status ConvertSubGraphToTensorRTNodeDef(
+    const tensorflow::Graph& graph, const std::set<int>& subgraph_node_ids,
+    const std::vector<std::pair<int, int>>&
+        input_inds,  // {node_id, output_idx}
+    const std::vector<std::pair<int, int>>&
+        output_inds,  // {node_id, output_idx}
+    size_t max_batch_size, size_t max_workspace_size_bytes,
+    const tensorflow::grappler::GraphProperties& graph_prop,
+    tensorflow::NodeDef* trt_node);
+
+}  // namespace convert
+}  // namespace tensorrt
+}  // namespace tensorflow
+
+#endif  // GOOGLE_TENSORRT
+#endif  // GOOGLE_CUDA
+
+#endif  // TENSORFLOW_CONTRIB_TENSORRT_CONVERT_CONVERT_NODES_H_