code: @SuppressWarnings("rawtypes")
  		public void setObjectSerialization(Class<? extends Serialization> serialization) {
  			if(type != Type.OBJECT) {
  				throw new PangoolRuntimeException("Can't set custom serialization for type " + type);
  			}
  			if(serializationClass != null) {
  				throw new PangoolRuntimeException("Serialization already set :" + serializationClass);
  			}
  			serializationClass = serialization;
  		}
docs: Sets custom serialization for fields with type OBJECT. If the Serialization class also implements
  {@link FieldConfigurable} then the field's metadata (properties) is passed to the instance allowing stateful
  serialization.