import type { GurpurabName } from './types';
/**
 * Returns all Gurpurabs that fall on a Gregorian date.
 *
 * @param gregorianDate - JavaScript Date object (default: current date).
 * @returns Gurpurabs for the day with name fields in English and Punjabi.
 * @throws {RangeError} If the date resolves to a Nanakshahi year before 535 NS.
 * @example getGurpurabsForDate(new Date())
 */
export declare function getGurpurabsForDate(gregorianDate?: Date): GurpurabName[];