recurrence: Optional[Dict[str, Any]] = Field(
default=None,
description="The recurrence of the event. Format: {'FREQ': <'DAILY' or 'WEEKLY'>, 'INTERVAL': <number>, 'COUNT': <number or None>, 'UNTIL': <'YYYYMMDD' or None>, 'BYDAY': <'MO', 'TU', 'WE', 'TH', 'FR', 'SA', 'SU' or None>}. Use either COUNT or UNTIL,
but not both; set the other to None."
)