import { Request } from "../Request";
export declare class Localization {
    /**
     * Language international code, lower case, not used by default.
     * Or use this variable by your own decision.
     * Example: `"en" | "de"`
     */
    protected lang?: string;
    /**
     * Country/locale code, upper case, not used by default.
     * Or use this variable by your own decision.
     * Example: `"US" | "UK"`
     */
    protected locale?: string;
    SetLang(lang: string | null): Request;
    GetLang(): string | null;
    SetLocale(locale: string | null): Request;
    GetLocale(): string | null;
    /**
     * Initialize language code and locale code from raw header `Http-Accept-Language`.
     */
    protected initLangAndLocale(): void;
}