code: public static VTimeZone create(Reader reader) {
          VTimeZone vtz = new VTimeZone();
          if (vtz.load(reader)) {
              return vtz;
          }
          return null;
      }
docs: Create a <code>VTimeZone</code> instance by RFC2445 VTIMEZONE data.
  
  @param reader The Reader for VTIMEZONE data input stream
  @return A <code>VTimeZone</code> initialized by the VTIMEZONE data or
  null if failed to load the rule from the VTIMEZONE data.