GapiCalendarV3Model.CalendarSourcetype t = {description : string;Description of the calendar. Optional.
*)id : string;Identifier of the calendar. To retrieve IDs call the calendarList.list() method.
*)conferenceProperties : ConferenceProperties.t;Conferencing properties for this calendar, for example what types of conferences are allowed.
*)etag : string;ETag of the resource.
*)summary : string;Title of the calendar.
*)kind : string;Type of the resource ("calendar#calendar").
*)location : string;Geographic location of the calendar as free-form text. Optional.
*)timeZone : string;The time zone of the calendar. (Formatted as an IANA Time Zone Database name, e.g. "Europe/Zurich".) Optional.
*)}