import { type OperationalTime } from '@tmlmobilidade/go-types-shared';
import { type OperationalDate, OperationalDateInt, type UnixMilliseconds } from '@tmlmobilidade/go-types-shared';
/**
 * @deprecated Use `fromOperationalTimeAndOperationalDateToUnixMilliseconds()` instead.
 */
export declare function convertGTFSTimeStringAndOperationalDateToUnixMilliseconds(timeString: string, operationalDate: OperationalDate): UnixMilliseconds;
/**
 * Convert the combination of a GTFS time and a GTFS date to a Unix timestamp.
 * @param gtfsTime The GTFS time to be converted.
 * @param gtfsDate The GTFS date to be converted.
 * @returns The given time and date as a Unix timestamp.
 */
export declare function fromOperationalTimeAndOperationalDateToUnixMilliseconds(gtfsTime: OperationalTime, gtfsDate: OperationalDateInt): UnixMilliseconds;