public static extern unsafe void TF_SetAttrTensor(TF_OperationDescription desc, string attr_name, TF_Tensor value, TF_Status status);
public static extern unsafe void TF_SetAttrValueProto(TF_OperationDescription desc, string attr_name, IntPtr proto, size_t proto_len, TF_Status status);
public static unsafe extern void TF_AddInput(TF_OperationDescription desc, TF_Output input);
public static unsafe extern TF_Operation TF_FinishOperation(TF_OperationDescription desc, TF_Status status);
public static extern unsafe void TF_SetAttrType(TF_OperationDescription desc, string attr_name, TF_DataType value);