TFE_CustomDeviceTensorHandleMethods handle_methods;
  handle_methods.num_dims = &LoggedTensorNumDims;
  handle_methods.dim = &LoggedTensorDim;
  handle_methods.deallocator = &LoggedTensorDeallocator;
  return TFE_NewCustomDeviceTensorHandle(context, logging_device_name.c_str(),
                                         dtype, t.release(), handle_methods,
                                         status);
}

// device_name. Takes ownership of the memory, and will call deleter to release
// it after TF no longer needs it or in case of error.
//
// Custom devices must use TFE_NewCustomDeviceTensorHandle instead.
TF_CAPI_EXPORT extern TFE_TensorHandle* TFE_NewTensorHandleFromDeviceMemory(
    TFE_Context* ctx, const char* device_name, TF_DataType, const int64_t* dims,
    int num_dims, void* data, size_t len,

  }

 private:
  void* const data_;
  const TFE_CustomDeviceTensorHandleMethods methods_;
};

}  // namespace
}  // namespace tensorflow

TFE_TensorHandle* TFE_NewCustomDeviceTensorHandle(
    TFE_Context* ctx, const char* device_name, TF_DataType dtype, void* data,
    TFE_CustomDeviceTensorHandleMethods methods, TF_Status* status) {