code: public Deserializer getObjectDeserializer(String type)
          throws HessianProtocolException {
          Deserializer deserializer = getDeserializer(type);
  
          if (deserializer != null)
              return deserializer;
          else if (_hashMapDeserializer != null)
              return _hashMapDeserializer;
          else {
              _hashMapDeserializer = new MapDeserializer(HashMap.class);
  
              return _hashMapDeserializer;
          }
      }
docs: Reads the object as a map.