@Override
        public Void shortShape(ShortShape shortShape) {
            // Shorts duplicate the int toString method
            writer.write("$L", defaultValue.expectNumberNode().getValue().intValue());
            return null;
        }
Adds default values to builder properties.
smithy-trait-codegen/src/main/java/software/amazon/smithy/traitcodegen/generators/BuilderGenerator.java