BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T114733Z
DTSTART:20251225T140000Z
DTEND:20251225T180000Z
SUMMARY:default-event
LOCATION:    
END:VEVENT
END:VCALENDAR