@Override
        public Builder id(String id) {
            return (Builder) super.id(id);
        }
Adds a synthetic version of the enum trait.

<p>This allows the enum shape to be used as if it were a string shape with
the enum trait, without having to manually add the trait or risk that it
gets serialized.
smithy-model/src/main/java/software/amazon/smithy/model/shapes/EnumShape.java