import { type Locale } from "date-fns";
import { type AdapterOptions, type ParserResult, type RecommendedFormats, type SaltDateAdapter, type TimeFields, type Timezone } from "../types";
declare module "@salt-ds/date-adapters" {
    interface DateFrameworkTypeMap {
        "date-fns": Date;
    }
}
/**
 * Adapter for date-fns library, implementing the SaltDateAdapter interface.
 * Provides methods for date manipulation and formatting using date-fns, without timezone support.
 */
export declare class AdapterDateFns implements SaltDateAdapter<Date, Locale> {
    /**
     * The locale used for date formatting.
     */
    locale: Locale;
    /**
     * The name of the date library.
     */
    lib: string;
    /**
     * Mapping of format tokens from other libraries to date-fns format tokens.
     */
    formats: {
        [key: string]: string;
    };
    /**
     * Creates an instance of AdapterDateFns.
     * @param options - Adapter options including locale.
     */
    constructor({ locale }?: AdapterOptions<Locale, typeof Date>);
    /**
     * Maps format tokens from other libraries to date-fns format tokens.
     * @param adapterFormat - The format string to map.
     * @returns The mapped format string.
     */
    private mapToDateFnsFormat;
    /**
     * Creates a Date object from a string or returns an invalid date.
     * @param value - The date string to parse.
     * @returns The parsed Date object or an invalid date object.
     */
    date: <T extends string | undefined>(value?: T) => Date;
    /**
     * Formats a Date object using the specified format string.
     * Returns an empty string when null or undefined date is given.
     * @param date - The Date object to format.
     * @param format - The format string to use.
     * @returns The formatted date string.
     */
    format(date: Date | null | undefined, format?: RecommendedFormats): string;
    /**
     * Compares two Date objects.
     * @param dateA - The first Date object.
     * @param dateB - The second Date object.
     * @returns 0 if equal, 1 if dateA is after dateB, -1 if dateA is before dateB.
     */
    compare(dateA: Date, dateB: Date): number;
    /**
     * Parses a date string using the specified format.
     * @param value - The date string to parse.
     * @param format - The format string to use.
     * @returns A DateDetail object containing the parsed date and any errors.
     */
    parse(value: string, format: string): ParserResult<Date>;
    /**
     * Checks if a Date object is valid.
     * @param date - The Date object to check, null or undefined.
     * @returns True if the date is valid date object, false otherwise.
     */
    isValid(date: Date | null | undefined): date is Date;
    /**
     * Subtracts time from a Date object.
     * @param date - The Date object to subtract from.
     * @param duration - The duration to subtract.
     * @returns The resulting Date object.
     */
    subtract(date: Date, { days, weeks, months, years, hours, minutes, seconds, milliseconds, }: {
        days?: number;
        weeks?: number;
        months?: number;
        years?: number;
        hours?: number;
        minutes?: number;
        seconds?: number;
        milliseconds?: number;
    }): Date;
    /**
     * Adds time to a Date object.
     * @param date - The Date object to add to.
     * @param duration - The duration to add.
     * @returns The resulting Date object.
     */
    add(date: Date, { days, weeks, months, years, hours, minutes, seconds, milliseconds, }: {
        days?: number;
        weeks?: number;
        months?: number;
        years?: number;
        hours?: number;
        minutes?: number;
        seconds?: number;
        milliseconds?: number;
    }): Date;
    /**
     * Sets specific components of a Date object.
     * @param date - The Date object to modify.
     * @param components - The components to set, the month is a number (1-12).
     * @returns The resulting Date object.
     */
    set(date: Date, { day, month, year, hour, minute, second, millisecond, }: {
        day?: number;
        month?: number;
        year?: number;
        hour?: number;
        minute?: number;
        second?: number;
        millisecond?: number;
    }): Date;
    /**
     * Get the timezone from the Date object (un-supported by v3 date-fns/Date object)
     * @param date - A Date object
     * @returns "default" as Timezones are not supported by the date-fns/Date object
     */
    getTimezone: (_date: Date) => string;
    /**
     * Set the timezone for the Date object (un-supported by v3 date-fns/Date object)
     * @param date - A Date object
     * @param _timezone - Timezone to set date object to (un-used)
     * @returns  date object set to the timezone
     */
    setTimezone: (date: Date, _timezone: Timezone) => Date;
    /**
     * Checks if two Date objects are the same based on the specified granularity.
     * @param dateA - The first Date object.
     * @param dateB - The second Date object.
     * @param granularity - The granularity to compare by ("day", "month", "year").
     * @returns True if the dates are the same, false otherwise.
     */
    isSame(dateA: Date, dateB: Date, granularity?: "day" | "month" | "year"): boolean;
    /**
     * Gets the start of a specified time period for a Date object.
     * @param date - The Date object.
     * @param offset - The time period ("day", "week", "month", "year").
     * @returns The Date object representing the start of the period.
     */
    startOf(date: Date, offset: "day" | "week" | "month" | "year"): Date;
    /**
     * Gets the end of a specified time period for a Date object.
     * @param date - The Date object.
     * @param offset - The time period ("day", "week", "month", "year").
     * @returns The Date object representing the end of the period.
     */
    endOf(date: Date, offset: "day" | "week" | "month" | "year"): Date;
    /**
     * Gets the current date with the time set to the start of the day.
     * @returns The current date at the start of the day.
     */
    today(): Date;
    /**
     * Gets the current date and time.
     * @returns The current date and time.
     */
    now(): Date;
    /**
     * Gets the name of the day of the week.
     * @param dow - The day of the week as a number (0-6).
     * @param format - The format for the day name ("long", "short", "narrow").
     * @returns The name of the day of the week.
     */
    getDayOfWeekName(dow: number, format: "long" | "short" | "narrow"): string;
    /**
     * Gets the day of the month for a Date object.
     * @param date - The Date object.
     * @returns The day of the month as a number (1-31).
     */
    getDay(date: Date): number;
    /**
     * Gets the month for a Date object.
     * @param date - The Date object.
     * @returns The month as a number (1-12).
     */
    getMonth(date: Date): number;
    /**
     * Gets the year for a Date object.
     * @param date - The Date object.
     * @returns The year as a number.
     */
    getYear(date: Date): number;
    /**
     * Gets the time components for a Date object.
     * @param date - The Date object.
     * @returns An object containing the hour, minute, second, and millisecond.
     */
    getTime(date: Date): TimeFields;
    /**
     * Validate date string so it can be parsed
     * @param value
     */
    isValidDateString(value: string): boolean;
    /**
     * Clone the date object
     * @param date
     */
    clone(date: Date): Date;
    toJSDate: (value: Date) => Date;
}