codegen/smithy-ruby-codegen/src/main/java/software/amazon/smithy/ruby/codegen/generators/RestBuilderGeneratorBase.java [435:468]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        private final MemberShape memberShape;

        HeaderListMemberSerializer(MemberShape memberShape) {
            this.memberShape = memberShape;
        }

        @Override
        protected Void getDefault(Shape shape) {
            writer.write(".map { |s| s.to_s }");
            return null;
        }

        @Override
        public Void stringShape(StringShape shape) {
            writer
                    .write(".map { |s| (s.include?('\"') || s.include?(\",\"))"
                            + " ? \"\\\"#{s.gsub('\"', '\\\"')}\\\"\" : s }");
            return null;
        }

        @Override
        public Void timestampShape(TimestampShape shape) {
            // header values are serialized using the http-date format by default
            Optional<TimestampFormatTrait> format = memberShape.getTrait(TimestampFormatTrait.class);
            if (format.isPresent()) {
                switch (format.get().getFormat()) {
                    case EPOCH_SECONDS:
                        writer.write(".map { |s| Seahorse::TimeHelper.to_epoch_seconds(s) }");
                        break;
                    case DATE_TIME:
                        writer.write(".map { |s| Seahorse::TimeHelper.to_date_time(s) }");
                        break;
                    case HTTP_DATE:
                    default:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



codegen/smithy-ruby-codegen/src/main/java/software/amazon/smithy/ruby/codegen/generators/RestStubsGeneratorBase.java [356:389]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        private final MemberShape memberShape;

        HeaderListMemberSerializer(MemberShape memberShape) {
            this.memberShape = memberShape;
        }

        @Override
        protected Void getDefault(Shape shape) {
            writer.write(".map { |s| s.to_s }");
            return null;
        }

        @Override
        public Void stringShape(StringShape shape) {
            writer
                    .write(".map { |s| (s.include?('\"') || s.include?(\",\"))"
                            + " ? \"\\\"#{s.gsub('\"', '\\\"')}\\\"\" : s }");
            return null;
        }

        @Override
        public Void timestampShape(TimestampShape shape) {
            // header values are serialized using the http-date format by default
            Optional<TimestampFormatTrait> format = memberShape.getTrait(TimestampFormatTrait.class);
            if (format.isPresent()) {
                switch (format.get().getFormat()) {
                    case EPOCH_SECONDS:
                        writer.write(".map { |s| Seahorse::TimeHelper.to_epoch_seconds(s) }");
                        break;
                    case DATE_TIME:
                        writer.write(".map { |s| Seahorse::TimeHelper.to_date_time(s) }");
                        break;
                    case HTTP_DATE:
                    default:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -