export type DayClassification = 'weekend' | 'holiday' | 'working_day';
type HolidayLike = {
    departments?: Array<{
        id: string;
    }>;
};
export declare function classifyCalendarDay(member: {
    department_id?: string | null;
}, requestDate: Date, timeZone: string, working_days: string[] | null | undefined, holidays: HolidayLike[]): DayClassification;
export declare function isOffDayClassification(classification: DayClassification): boolean;
export {};
