const float* values, int num_values,
                              ForwardOperation* forward_op_) {
  forward_op_->attrs.Set(attr_name,
                         gtl::ArraySlice<const float>(values, num_values));
  return op_->SetAttrFloatList(attr_name, values, num_values);
}
absl::Status SetAttrIntList(AbstractOperation* op_, const char* attr_name,