@Override
        public void write(final Kryo kryo, final Output output, final Map.Entry entry) {
            kryo.writeClassAndObject(output, entry.getKey());
            kryo.writeClassAndObject(output, entry.getValue());
        }
Serializer for {@code List} instances produced by {@code Arrays.asList()}.
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/io/gryo/UtilSerializers.java