public static function decode(Vpdi_Property $FREEBUSY) {
$fbs = array();
$periods = Vpdi::decodeTextList($FREEBUSY->value());
foreach ($periods as $p) {
list($start, $end) = Vpdi::decodePeriod($p);
$fbs[] = new Vpdi_Icalendar_Freebusy($start, $end);
}
if (count($fbs) == 1) return $fbs[0];
return $fbs;
}
