@Override
    public void serializeWithType(final DirectionalStarGraph starGraph, final JsonGenerator jsonGenerator,
                                  final SerializerProvider serializerProvider,
                                  final TypeSerializer typeSerializer) throws IOException, JsonProcessingException {
        ser(starGraph, jsonGenerator, serializerProvider, typeSerializer);
    }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/util/star/StarGraphGraphSONSerializerV3.java