int num_values);
TF_CAPI_EXPORT extern void TFE_OpSetAttrTypeList(TFE_Op* op,
                                                 const char* attr_name,
                                                 const TF_DataType* values,
                                                 int num_values);
TF_CAPI_EXPORT extern void TFE_OpSetAttrShapeList(

                                                     TF_Tensor** value,
                                                     TF_Status* status);

// Fills in `values` with the TF_Tensor values of the attribute `attr_name` of
// `oper`. `values` must point to an array of TF_Tensor* of length at least
// `max_values` (ideally set to TF_AttrMetadata.list_size from
// TF_OperationGetAttrMetadata(oper, attr_name)).
//