import { CalendarDateTime, ZonedDateTime } from '@internationalized/date';
export declare const formatDateTime: (date?: string | null, def?: string) => string;
export declare const formatDate: (date?: string | null, def?: string) => string;
export declare const formatTime: (date?: string | null, def?: string) => string;
export declare const convertDaysToDuration: (totalDays: string, options?: {
    defaultValue?: string;
    longStyle?: boolean;
}) => string;
export declare const formatDateISO: (date?: CalendarDateTime | ZonedDateTime) => string | undefined;
export declare const convertDateStringToLocal: (dateString?: string | null) => ZonedDateTime | undefined;
export declare const convertParamsToDateRange: (start: string | null, end: string | null) => {
    start: import('@internationalized/date').CalendarDate;
    end: import('@internationalized/date').CalendarDate;
} | null;
export interface YearRange {
    year: string;
    startDate: string;
    endDate: string;
}
export declare const getYearRange: (year: number) => YearRange;
export declare const getYearRanges: (startYear?: number) => YearRange[];