code: public TimeZone parse(Style style, String text, ParsePosition pos, Output<TimeType> timeType) {
          return parse(style, text, pos, null, timeType);
      }
docs: Returns a <code>TimeZone</code> by parsing the time zone string according to
  the parse position, the style and the default parse options.
  <p>
  <b>Note</b>: This method is equivalent to {@link #parse(Style, String, ParsePosition, EnumSet, Output)
  parse(style, text, pos, null, timeType)}.
  
  @param text the text contains a time zone string at the position.
  @param style the format style
  @param pos the position.
  @param timeType The output argument for receiving the time type (standard/daylight/unknown),
  or specify null if the information is not necessary.
  @return A <code>TimeZone</code>, or null if the input could not be parsed.
  @see Style
  @see #parse(Style, String, ParsePosition, EnumSet, Output)
  @see #format(Style, TimeZone, long, Output)
  @see #setDefaultParseOptions(EnumSet)