}
  }

  os.indent(4) << "});";
  os.indent(2) << "return *result;\n";
  os.indent(0) << "}\n";

  os.indent(0)
      << "const std::set<std::string> &ExportDynamicRangeWeightOnlySpec() {\n";
  os.indent(2) << "static const std::set<std::string> * result =\n";
  os.indent(4) << "new std::set<std::string>({\n";

  // Retrieve weight-only fallback.
  for (const auto &op_name : weight_only) {