continue;
        os << formatv(
            "  auto {0} = Convert{1}ForOptionWriter(op.{2}(), fbb);\n",
            arg_name, mlir::tblgen::Attribute(arg_def).getAttrDefName(),
            op.getGetterName(arg_name));
        options.push_back(arg_name.str());
      }
    }

    // Add options due to derived attributes.
    for (const auto &val : def->getValues()) {