code: public JodaBeanSer withNewLine(String newLine) {
          JodaBeanUtils.notNull(newLine, "newLine");
          return new JodaBeanSer(indent, newLine, converter, iteratorFactory, shortTypes, deserializers, includeDerived);
      }
docs: Returns a copy of this serializer with the specified pretty print new line.
  
  @param newLine  the new line, not null
  @return a copy of this object with the new line changed, not null