public <T> T get(ChannelConfigKey<T> key) {
        ChannelConfigValue<T> ccv = parameters.get(key);
        T value = ccv == null ? null : (T) ccv.value();

        if (value == null) {
            value = key.defaultValue();
        }

        return value;
    }
User: michaels@netflix.com
Date: 2/8/17
Time: 6:43 PM
zuul-core/src/main/java/com/netflix/netty/common/channel/config/ChannelConfig.java