@Override
    public Builder toBuilder() {
        Builder builder = builder()
                .headers(getHeaders())
                .code(getCode());
        getBody().ifPresent(builder::body);
        return builder;
    }
Defines the response expected by an HttpMalformedRequest test case.
smithy-protocol-test-traits/src/main/java/software/amazon/smithy/protocoltests/traits/HttpMalformedResponseDefinition.java