@Override
    public String toString() {
        return "ChannelConfigKey{" + "key='" + key + '\'' + ", defaultValue=" + defaultValue + '}';
    }
User: michaels@netflix.com
Date: 2/8/17
Time: 6:17 PM
zuul-core/src/main/java/com/netflix/netty/common/channel/config/ChannelConfigKey.java