using tensorflow::OpRegistrationData;
  using tensorflow::Tensor;
  using tensorflow::shape_inference::DimensionHandle;
  using tensorflow::shape_inference::InferenceContext;
  using tensorflow::shape_inference::ShapeAndType;
  using tensorflow::shape_inference::ShapeHandle;

  const int num_inputs = input_shapes->num_items;
  NodeDef node_def;
  tensorflow::ImmediateExecutionOperation* op = tensorflow::unwrap(tfe_op);

  }

  auto shape_and_type_vec =
      std::vector<tensorflow::shape_inference::ShapeAndType>(
          num_shapes_and_types);
  for (int i = 0; i < num_shapes_and_types; ++i) {
    tensorflow::shape_inference::ShapeHandle shape_handle =
        ShapeHandleFromDims(ic, ranks[i], shapes[i]);
    shape_and_type_vec[i] = tensorflow::shape_inference::ShapeAndType(
        shape_handle, static_cast<DataType>(types[i]));
  }