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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_LITE_DELEGATES_EAGER_DELEGATE_H_
+#define TENSORFLOW_CONTRIB_LITE_DELEGATES_EAGER_DELEGATE_H_
+
+#include "tensorflow/contrib/lite/context.h"
+#include "tensorflow/contrib/lite/delegates/eager/delegate_data.h"
+#include "tensorflow/contrib/lite/interpreter.h"
+
+namespace tflite {
+
+// WARNING: This is an experimental interface that is subject to change.
+// Delegate that can be used to extract parts of a graph that are designed to be
+// executed by TensorFlow's runtime via Eager.
+//
+// The interpreter must be constructed after the EagerDelegate and destructed
+// before the EagerDelegate. This delegate can only be used with one
+// interpreter.
+//
+// Usage:
+//   EagerDelegate delegate;
+//   ... build interpreter ...
+//
+//   delegate.Apply(interpreter);
+//   ... run inference ...
+//   ... destroy interpreter ...
+//   ... destroy delegate ...
+class EagerDelegate {
+ public:
+  EagerDelegate();
+  ~EagerDelegate();
+
+  // Modifies the graph loaded in the interpreter.
+  TfLiteStatus Apply(Interpreter* interpreter);
+
+ private:
+  std::unique_ptr<eager::DelegateData> delegate_data_;
+  std::unique_ptr<TfLiteDelegate> delegate_;
+};
+
+}  // namespace tflite
+
+#endif  // TENSORFLOW_CONTRIB_LITE_DELEGATES_EAGER_DELEGATE_H_