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diff --git a/tensorflow/core/public/session_options.h b/tensorflow/core/public/session_options.h
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+#ifndef TENSORFLOW_PUBLIC_SESSION_OPTIONS_H_
+#define TENSORFLOW_PUBLIC_SESSION_OPTIONS_H_
+
+#include <string>
+#include "tensorflow/core/framework/config.pb.h"
+#include "tensorflow/core/platform/port.h"
+
+namespace tensorflow {
+
+class Env;
+
+/// Configuration information for a Session.
+struct SessionOptions {
+  /// The environment to use.
+  Env* env;
+
+  /// \brief The TensorFlow runtime to connect to.
+  ///
+  /// If 'target' is empty or unspecified, the local TensorFlow runtime
+  /// implementation will be used.  Otherwise, the TensorFlow engine
+  /// defined by 'target' will be used to perform all computations.
+  ///
+  /// "target" can be either a single entry or a comma separated list
+  /// of entries. Each entry is a resolvable address of the
+  /// following format:
+  ///   local
+  ///   ip:port
+  ///   host:port
+  ///   ... other system-specific formats to identify tasks and jobs ...
+  ///
+  /// NOTE: at the moment 'local' maps to an in-process service-based
+  /// runtime.
+  ///
+  /// Upon creation, a single session affines itself to one of the
+  /// remote processes, with possible load balancing choices when the
+  /// "target" resolves to a list of possible processes.
+  ///
+  /// If the session disconnects from the remote process during its
+  /// lifetime, session calls may fail immediately.
+  string target;
+
+  /// Configuration options.
+  ConfigProto config;
+
+  SessionOptions();
+};
+
+}  // end namespace tensorflow
+
+#endif  // TENSORFLOW_PUBLIC_SESSION_OPTIONS_H_