@Override
        public int hashCode() {
            final int prime = 31;
            int result = 1;
            result = prime * result + key.toLowerCase().hashCode();
            return result;
        }
Not supported for sets returned by <code>Map.entrySet</code>.
netbare-injector/src/main/java/com/github/megatronking/netbare/utils/CaseInsensitiveLinkedMap.java