private static void visitAmPmHourToken(int repetitions, JQueryDateTimePatternBuilder builder) {
        if (repetitions == 1) {
            builder.appendAmPmHourNoLeadingZeros();
        }
        else {
            builder.appendAmPmHourWithLeadingZeros();
        }
    }
Half-hour (0-11) token 'h' and 'h'. 'h' is the hour without leading zeros,
more than one 'h' is the hour with leading zeros.
primefaces/src/main/java/org/primefaces/convert/CombinedDateTimePatternTokenVisitor.java