52   struct Builder;  // Build the parser.
58   static ArgumentBuilder<TArg> CreateArgumentBuilder(Builder& parent);
59   static void AppendCompletedArgument(Builder& builder, detail::CmdlineParseArgumentAny* arg);
188     CmdlineParser::Builder& IntoKey(const MapKey& key) {  in IntoKey()
215     CmdlineParser::Builder& IntoLocation(std::optional<TArg>* destination) {  in IntoLocation()
236     CmdlineParser::Builder& IntoIgnore() {  in IntoIgnore()
302     friend struct CmdlineParser::Builder;
305     ArgumentBuilder(CmdlineParser::Builder& parser,  in ArgumentBuilder()
321     CmdlineParser::Builder& parent_;
370     Builder& IntoKey(const TVariantMapKey<Unit>& key) {  in IntoKey()
426     friend struct Builder;
428     explicit UntypedArgumentBuilder(CmdlineParser::Builder& parent) : parent_(parent) {}  in UntypedArgumentBuilder()
431     CmdlineParser::Builder& parent_;
439   struct Builder {  struct
440     Builder() : save_destination_(new SaveDestination()) {}  in Builder()  argument
447     Builder& ClearCategory() {  in ClearCategory()  argument
452     Builder& SetCategory(const char* sv) {  in SetCategory()  argument
457     Builder& OrderCategories(std::vector<const char*> categories) {  in OrderCategories()  argument
471     Builder& IgnoreUnrecognized(bool ignore_unrecognized) {  in IgnoreUnrecognized()  argument
477     Builder& Ignore(std::initializer_list<const char*> ignore_list) {  in Ignore()  argument
528     Builder(const Builder& other) = delete;
598   friend struct Builder;
721     CmdlineParser<TVariantMap, TVariantMapKey>::Builder& parent) {  in CreateArgumentBuilder()
730     CmdlineParser<TVariantMap, TVariantMapKey>::Builder& builder,  in AppendCompletedArgument()