class ConsumerConfig extends AbstractConfig {

    @Deprecated
    public static Map<String, Object> addDeserializerToConfig(Map<String, Object> configs,
                                                              Deserializer<?> keyDeserializer,
                                                              Deserializer<?> valueDeserializer) {
        return appendDeserializerToConfig(configs, keyDeserializer, valueDeserializer);
    }

    public  ConsumerConfig(Properties props);
    public  ConsumerConfig(Map<String, Object> props);
    protected  ConsumerConfig(Map<?, ?> props, boolean doLog);

}