/**
 * Adds a specified number of years to the provided date.
 * @param date - date value
 * @param yearDelta - number of years to add
 */
export declare function addYears(date: Date, yearDelta: number): Date;
/**
 * Adds a specified number of months to the provided date.
 * @param date - date value
 * @param monthDelta - number of months to add
 */
export declare function addMonths(date: Date, monthDelta: number): Date;
/**
 * Adds a specified number of weeks to the provided date.
 * @param date - date value
 * @param weeks - number of weeks to add
 */
export declare function addWeeks(date: Date, weeks: number): Date;
/**
 * Adds a specified number of days to the provided date.
 * @param date - date value
 * @param days - number of days to add
 */
export declare function addDays(date: Date, days: number): Date;
/**
 * Adds a specified number of hours to the provided date.
 * @param date - date value
 * @param hours - number of hours to add
 */
export declare function addHours(date: Date, hours: number): Date;
/**
 * Adds a specified number of minutes to the provided date.
 * @param date - date value
 * @param minutes - number of minutes to add
 */
export declare function addMinutes(date: Date, minutes: number): Date;
/**
 * Adds a specified number of seconds to the provided date.
 * @param date - date value
 * @param seconds - number of seconds to add
 */
export declare function addSeconds(date: Date, seconds: number): Date;
/**
 * Adds a specified number of milliseconds to the provided date.
 * @param date - date value
 * @param milliseconds - number of milliseconds to add
 */
export declare function addMilliseconds(date: Date, milliseconds: number): Date;