export interface TimezoneEntry {
    name: string;
    longName: string;
    shortName: string;
    offset: number;
}
export type DateUnit = "year" | "years" | "month" | "months" | "week" | "weeks" | "day" | "days" | "hour" | "hours" | "minute" | "minutes" | "second" | "seconds" | "ms" | "milliseconds";
export interface DateValues {
    year: number;
    month: number;
    monthName: string;
    dayName: string;
    date: number;
    weekStartDayName: string;
    numberOfDaysOfTheMonth: number;
    hours: number;
    minutes: number;
    seconds: number;
    milliSeconds: number;
    timestamp: number;
    iso: string;
}
export type MatesDate = number & {
    readonly values: DateValues;
    toJSON(): string;
    format(fmt: string): string;
    formatLongAgo(opts?: {
        now?: number | string | Date | MatesDate;
        numeric?: "auto" | "always";
        style?: "long" | "short" | "narrow";
    }): string;
    add(amount: number, unit: DateUnit): MatesDate;
    subtract(amount: number, unit: DateUnit): MatesDate;
    isBefore(other: DateInput): boolean;
    isAfter(other: DateInput): boolean;
    isFuture(): boolean;
    isPresent(): boolean;
    isToday(): boolean;
    isYesterday(): boolean;
    isTomorrow(): boolean;
    getDifference(other: DateInput, unit: DateUnit): number;
    getAge(at?: DateInput): number;
};
export type DateInput = number | string | Date | MatesDate | {
    year?: number;
    month?: number;
    day?: number;
    hour?: number;
    minute?: number;
    second?: number;
    ms?: number;
};
export declare function date(input?: DateInput): MatesDate;
export declare function setTimezone(tz: TimezoneEntry | null | undefined): void;
export declare function setTimezoneOffset(minutes: number): void;
export declare function getTimezoneOffset(): number;
export declare function setLocale(locale: string | null | undefined): void;
export declare function getLocale(): string;
export declare function getAllTimezones(): TimezoneEntry[];
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