/**
 *
 * @param dateString - A date in string format
 * @param locale - A string depicting the locale
 * @param options - DateTimeFormatOptions
 * @returns A localized date
 *
 * @example
 * localizeDateString('1970-01-01', 'en-US')
 * // 'January 01, 1970'
 * localizeDateString('1970-01-01', 'en-US', { month: 'short' })
 * // 'Jan 01, 1970'
 */
export declare const localizeDateString: (dateString: string, locale: string, options?: Intl.DateTimeFormatOptions) => string | undefined;