/// this class.
std::string test_;
- /// @brief The only if required flag: when false (the defaul) membership
- /// is determined during classification so is for instance
- /// available for subnet selection, when true membership is evaluated
- /// only when required for and is usable only for option configuration.
+ /// @brief The only-if-required flag: when false (the default) membership
+ /// is determined during classification so is available, of instance,
+ /// for subnet selection. When true, membership is evaluated
+ /// only when required and is usable only for option configuration.
bool required_;
/// @brief The option definition configuration for this class