@Override
    protected Object readInternal(
            Class<?> clazz,
            HttpInputMessage inputMessage
    ) throws IOException, HttpMessageNotReadableException {
        return readType(getType(clazz, null), inputMessage);
    }
@param fastJsonConfig the fastJsonConfig to set.
fastjson1-compatible/src/main/java/com/alibaba/fastjson/support/spring/FastJsonHttpMessageConverter.java