/**
 * Locales are defined using IETF language tags
 * @see https://en.wikipedia.org/wiki/IETF_language_tag
 * @see https://en.wikipedia.org/wiki/ISO_3166-1
 */
export declare enum Locale {
    DE_DE = "de-DE",
    EN_GB = "en-GB",
    EN_US = "en-US",
    ES_ES = "es-ES",
    FA_IR = "fa-IR",
    FR_FR = "fr-FR",
    PL_PL = "pl-PL",
    RO_RO = "ro-RO",
    TR_TR = "tr-TR"
}
export declare const isLocale: (locale: unknown) => locale is Locale;