import * as i0 from "@angular/core";
export declare class I18nService {
    private route;
    /**
     * @default 'selected-language'
     */
    SELECTED_LANG_KEY: string;
    /**
     * Get active language from query params or local storage.
     *
     * The value is normalized to uppercase.
     * Defaults to "ID" if not exists on local storage or when the language is not supported.
     */
    getActiveLanguage(): string;
    /**
     * The language value will be normalized to uppercase.
     */
    setActiveLanguage(language: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<I18nService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<I18nService>;
}