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diff --git a/tensorflow/core/util/proto/proto_utils.h b/tensorflow/core/util/proto/proto_utils.h
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+++ b/tensorflow/core/util/proto/proto_utils.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_CORE_UTIL_PROTO_PROTO_UTILS_H_
+#define TENSORFLOW_CORE_UTIL_PROTO_PROTO_UTILS_H_
+
+#include "tensorflow/core/framework/types.h"
+#include "tensorflow/core/platform/protobuf.h"
+
+namespace tensorflow {
+namespace proto_utils {
+
+using tensorflow::protobuf::FieldDescriptor;
+
+// Returns true if the proto field type can be converted to the tensor dtype.
+bool IsCompatibleType(FieldDescriptor::Type field_type, DataType dtype);
+
+}  // namespace proto_utils
+}  // namespace tensorflow
+
+#endif  // TENSORFLOW_CORE_UTIL_PROTO_PROTO_UTILS_H_