@Override
    public String toString() {
        return new ToStringBuilder(this)
                .append("targetClass", clazz)
                .append("id", id)
                .append("shadedSerializer", shadedSerializer)
                .append("serializerShim", serializerShim)
                .append("functionOfShadedKryo", functionOfShadedKryo)
                .toString();
    }
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/io/gryo/GryoTypeReg.java