@Override
        public Void enumShape(EnumShape shape) {
            writer.writeInline(memberPrefix + "StringMember($S, n -> builder.$L($T.from(n)))",
                    fieldName,
                    memberName,
                    symbolProvider.toSymbol(shape));
            return null;
        }
Generates the mapping from a node member to a builder field.
smithy-trait-codegen/src/main/java/software/amazon/smithy/traitcodegen/generators/FromNodeGenerator.java