public T convert(ResponseBody value) throws IOException {
            try {
                return JSON.parseObject(value.bytes()
                        , fastJsonConfig.getCharset()
                        , type
                        , fastJsonConfig.getParserConfig()
                        , fastJsonConfig.getParseProcess()
                        , JSON.DEFAULT_PARSER_FEATURE
                        , fastJsonConfig.getFeatures()
                );
            } catch (Exception e) {
                throw new IOException("JSON parse error: " + e.getMessage(), e);
            } finally {
                value.close();
            }
        }
Sets serializer features.

@param features the features
@return the serializer features
@see FastJsonConfig#setSerializerFeatures(SerializerFeature...)
@deprecated
src/main/java/com/alibaba/fastjson/support/retrofit/Retrofit2ConverterFactory.java