docs: public Object execute(final Object value, final CsvContext context) {
  		validateInputNotNull(value, context);
  		if (!(value instanceof Duration)) {
  			throw new SuperCsvCellProcessorException(Duration.class, value,
  					context, this);
  		}
  		final Duration duration = (Duration) value;
  		final String result = duration.toString();
  		return next.execute(result, context);
  	}