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+/* Copyright 2016 Google Inc. 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.
+==============================================================================*/
+
+// Low-level functionality for setting up a inference Session.
+
+#ifndef THIRD_PARTY_TENSORFLOW_CONTRIB_SESSION_BUNDLE_SESSION_BUNDLE_H_
+#define THIRD_PARTY_TENSORFLOW_CONTRIB_SESSION_BUNDLE_SESSION_BUNDLE_H_
+
+#include <memory>
+
+#include "tensorflow/contrib/session_bundle/manifest.pb.h"
+#include "tensorflow/contrib/session_bundle/signature.h"
+#include "tensorflow/core/lib/core/status.h"
+#include "tensorflow/core/lib/core/stringpiece.h"
+#include "tensorflow/core/protobuf/meta_graph.pb.h"
+#include "tensorflow/core/protobuf/saver.pb.h"
+#include "tensorflow/core/public/session.h"
+#include "tensorflow/core/public/session_options.h"
+
+namespace tensorflow {
+namespace contrib {
+
+const char kMetaGraphDefFilename[] = "export.meta";
+const char kAssetsDirectory[] = "assets";
+const char kInitOpKey[] = "serving_init_op";
+const char kAssetsKey[] = "serving_assets";
+const char kGraphKey[] = "serving_graph";
+
+// Data and objects loaded from a python Exporter export.
+// WARNING(break-tutorial-inline-code): The following code snippet is
+// in-lined in tutorials, please update tutorial documents accordingly
+// whenever code changes.
+struct SessionBundle {
+  std::unique_ptr<tensorflow::Session> session;
+  tensorflow::MetaGraphDef meta_graph_def;
+};
+
+// Loads a manifest and initialized session using the output of an Exporter
+// using the format defined at go/tf-exporter.
+tensorflow::Status LoadSessionBundleFromPath(
+    const tensorflow::SessionOptions& options,
+    const tensorflow::StringPiece export_dir, SessionBundle* bundle);
+
+}  // namespace contrib
+}  // namespace tensorflow
+
+#endif  // THIRD_PARTY_TENSORFLOW_CONTRIB_SESSION_BUNDLE_SESSION_BUNDLE_H_