@Override
    public void updateDefaultSettings(Model model, OpenApiConfig config) {
        config.setUseJsonName(true);
        config.setDefaultTimestampFormat(TimestampFormatTrait.Format.EPOCH_SECONDS);
    }
Converts the {@code aws.protocols#restJson1} protocol to OpenAPI.
smithy-openapi/src/main/java/software/amazon/smithy/openapi/fromsmithy/protocols/AwsRestJson1Protocol.java