code: public List<CommonEvent> asCommonEvents(final JAXBContext ctx) {
          final List<CommonEvent> list = new ArrayList<CommonEvent>();
          for (final Event event : events) {
              list.add(event.asCommonEvent(ctx));
          }
          return list;
      }
docs: Returns this object as a list of common event objects.
  
  @param ctx
  In case the XML JAXB unmarshalling is used, you have to pass
  the JAXB context here.
  
  @return Converted list.