import { Dayjs, default as dayjsInstance } from 'dayjs';
export declare const dayjs: typeof dayjsInstance;
export declare const formatDayMonthBasedOnBrowserLang: (date: Date) => string;
export declare const formatDateTimeAgo: (dateStr?: string | null) => string | null | undefined;
export declare const formatDateTime: (dateStr?: string | null, format?: string) => string | null | undefined;
export declare const formatDateDetailed: (dateValue?: string | null, isDetailedEnabled?: boolean) => string | null | undefined;
export declare const formatDate: (dateStr?: string | null | Dayjs, format?: string) => string | null | undefined;
export declare const isBefore: (dateStr?: string | null) => boolean;
export declare const isSameOrBefore: (dateStr?: string | null) => boolean;
export declare const isAfter: (dateStr?: string | null) => boolean;
export declare const isSameOrAfter: (dateStr?: string | null) => boolean;
export declare const msToSeconds: (ms: number) => number;
export declare const secondsToHumanReadable: (seconds: number) => string;