import { z } from "zod";
declare const alpha3CodeSchema: z.core.$ZodBranded<z.ZodEnum<{
    [x: string]: string;
}>, "IsoAlpha3CountryCode">;
export type IsoAlpha3CountryCode = z.infer<typeof alpha3CodeSchema>;
export declare const countryCode: {
    /**
     * Returns a zod schema that validates that the input is a string that matches
     * an ISO 3166 alpha 3 country code.
     *
     * The currency code is case-sensitive and all current currency codes are
     * all uppercase.
     *
     * @returns A zod schema that validates ISO alpha 3 code strings and return the {@link IsoAlpha3CountryCode}
     * branded type as output.
     *
     * @see https://en.wikipedia.org/wiki/List_of_ISO_3166_country_codes
     */
    alpha3: () => z.core.$ZodBranded<z.ZodEnum<{
        [x: string]: string;
    }>, "IsoAlpha3CountryCode">;
};
export {};