int max_func, TF_Status* status);

// Note: The following function may fail on very large protos in the future.

TF_CAPI_EXPORT extern void TF_OperationToNodeDef(TF_Operation* oper,
                                                 TF_Buffer* output_node_def,
                                                 TF_Status* status);

typedef struct TF_WhileParams {