import type { ChronosInput, TimeUnit } from '../types';
type MainChronos = typeof import('../Chronos').Chronos;
declare module '../Chronos' {
    interface Chronos {
        /**
         * @instance Returns the number of full years between the input date and now.
         * @param time Optional time to compare with the `Chronos` date/time.
         * @returns The difference in number, negative when `Chronos` time is a past time else positive.
         */
        getRelativeYear(time?: ChronosInput): number;
        /**
         * @instance Returns the number of full months between the input date and now.
         * @param time Optional time to compare with the `Chronos` date/time.
         * @returns The difference in number, negative when `Chronos` time is a past time else positive.
         */
        getRelativeMonth(time?: ChronosInput): number;
        /**
         * @instance Determines if the given date is today, tomorrow, yesterday or any relative day.
         * @param date - The date to compare (Date object).
         * @param time Optional time to compare with the `Chronos` date/time.
         * @returns
         *  - `-1` if the date is yesterday.
         *  - `0` if the date is today.
         *  - `1` if the date is tomorrow.
         *  - Other positive or negative numbers for other relative days (e.g., `-2` for two days ago, `2` for two days ahead).
         */
        getRelativeWeek(time?: ChronosInput): number;
        /**
         * @instance Returns the number of full hours between the input date and now.
         * @param time Optional time to compare with the `Chronos` date/time.
         * @returns The difference in number, negative when `Chronos` time is a past time else positive.
         */
        getRelativeDay(time?: ChronosInput): number;
        /**
         * @instance Determines how many full weeks apart the input date is from the `Chronos` instance.
         * @param time Optional time to compare with the `Chronos` date/time.
         * @returns Difference in weeks; negative if past, positive if future.
         */
        getRelativeHour(time?: ChronosInput): number;
        /**
         * @instance Returns the number of full minutes between the input date and now.
         * @param time Optional time to compare with the `Chronos` date/time.
         * @returns The difference in number, negative when `Chronos` time is a past time else positive.
         */
        getRelativeMinute(time?: ChronosInput): number;
        /**
         * @instance Returns the number of full seconds between the input date and now.
         * @param time Optional time to compare with the `Chronos` date/time.
         * @returns The difference in number, negative when `Chronos` time is a past time else positive.
         */
        getRelativeSecond(time?: ChronosInput): number;
        /**
         * @instance Returns the number of milliseconds between the input date and now.
         * @param time Optional time to compare with the `Chronos` date/time.
         * @returns The difference in number, negative when `Chronos` time is a past time else positive.
         */
        getRelativeMilliSecond(time?: ChronosInput): number;
        /**
         * @instance Compares the stored date with now, returning the difference in the specified unit.
         *
         * @param unit The time unit to compare by. Defaults to 'minute'.
         * @param time Optional time to compare with the `Chronos` date/time.
         * @returns The difference in number, negative when `Chronos` time is a past time else positive.
         */
        compare(unit?: TimeUnit, time?: ChronosInput): number;
        /** @instance Checks if the current date is today. */
        isToday(): boolean;
        /** @instance Checks if the current date is tomorrow. */
        isTomorrow(): boolean;
        /** @instance Checks if the current date is yesterday. */
        isYesterday(): boolean;
    }
}
/** * Plugin to inject `relative time` related methods */
export declare const relativeTimePlugin: (ChronosClass: MainChronos) => void;
export {};
//# sourceMappingURL=relativeTimePlugin.d.ts.map