UpdateCalendarRequest
public UpdateCalendarRequest UpdateCalendarRequest( @Json(name = "name") String name, @Json(name = "description") String description, @Json(name = "location") String location, @Json(name = "timezone") String timezone, @Json(name = "metadata") Map<String, String> metadata, @Json(name = "hex_color") String hexColor, @Json(name = "hex_foreground_color") String hexForegroundColor)