code: public JodaBeanSer withShortTypes(boolean shortTypes) {
          return new JodaBeanSer(indent, newLine, converter, iteratorFactory, shortTypes, deserializers, includeDerived);
      }
docs: Returns a copy of this serializer with the short types flag set.
  
  @param shortTypes  whether to use short types, not null
  @return a copy of this object with the short types flag changed, not null