code: @Override
      public void serializeInstance(SerializationStreamWriter streamWriter, AxiomType instance) throws SerializationException {
          serialize(streamWriter, instance);
      }
docs: Serializes the content of the object into the
  {@link com.google.gwt.user.client.rpc.SerializationStreamWriter}.
  @param streamWriter the {@link com.google.gwt.user.client.rpc.SerializationStreamWriter} to write the
  object's content to
  @param instance the object instance to serialize
  @throws com.google.gwt.user.client.rpc.SerializationException
  if the serialization operation is not
  successful