import { GCalEvent } from "../google-calendar/models/event";
export declare const verifyCalendarUrl: (url: string) => void;
export declare const filterCalendarUrl: (urls: string[]) => string[];
export declare class HolidayCalendar {
    calendarUrls: string[];
    holidays: Holiday[];
    constructor(calendarUrls: string[]);
    prefetchRange(calendarClient: any, from: Date, to: Date): Promise<void>;
    isHoliday(date: Date): boolean;
}
export declare class Holiday {
    name: string;
    date: Date;
    calendarUrl: string;
    calendarName: string;
    static gen(gCalEvent: GCalEvent): Holiday;
}