/**
 * Allowed formats for formatting dates and times
 */
export type GuxDateTimeFormat = 'full' | 'long' | 'medium' | 'short';
/**
 * @class A class that implements the method needed to format dates and times depending on locales
 */
export declare class DateTimeFormatter {
    locale: string;
    /**
     * @constructor
     * @param locale A locale string is required to initialize a DateTimeFormatter class instance
     */
    constructor(locale: string);
    /**
     *
     * @param {Date} datetime A Date object that requires formatting
     * @param {GuxDateTimeFormat} format An allowed format string
     * @returns {string} Formatted date string
     */
    formatDate(datetime: Date, format: GuxDateTimeFormat, options?: Intl.DateTimeFormatOptions): string;
    /**
     *
     * @param {Date} datetime A Date object that requires formatting
     * @param {GuxDateTimeFormat} format An allowed format string
     * @returns {string} Formatted time string
     */
    formatTime(datetime: Date, format: GuxDateTimeFormat, options?: Intl.DateTimeFormatOptions): string;
    /**
     *
     * @param {Date} datetime A Date object that requires formatting
     * @param {GuxDateTimeFormat} format An allowed format string
     * @returns {string} Formatted datetime string
     */
    formatDateTime(datetime: Date, format: GuxDateTimeFormat, options?: Intl.DateTimeFormatOptions): string;
}