code: public final TimeZone parse(String text, ParsePosition pos) {
          return parse(Style.GENERIC_LOCATION, text, pos, EnumSet.of(ParseOption.ALL_STYLES), null);
      }
docs: Returns a <code>TimeZone</code> by parsing the time zone string according to
  the given parse position.
  <p>
  <b>Note</b>: This method is equivalent to {@link #parse(Style, String, ParsePosition, EnumSet, Output)
  parse(Style.GENERIC_LOCATION, text, pos, EnumSet.of(ParseOption.ALL_STYLES), timeType)}.
  
  @param text the text contains a time zone string at the position.
  @param pos the position.
  @return A <code>TimeZone</code>, or null if the input could not be parsed.
  @see #parse(Style, String, ParsePosition, EnumSet, Output)