import { z } from "zod";
/**
 * IATA 2-letter airline code (e.g. QF, VA, JQ, ZL).
 * Automatically trimmed and uppercased.
 */
export declare const AirlineCodeSchema: z.ZodString;
export type AirlineCode = z.infer<typeof AirlineCodeSchema>;
/**
 * ICAO 4-letter airport/waypoint code (e.g. YSSY, YMML).
 * Automatically trimmed and uppercased.
 */
export declare const IcaoCodeSchema: z.ZodString;
export type IcaoCode = z.infer<typeof IcaoCodeSchema>;
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