import { TranslateService } from '@ngx-translate/core';
import { LanguageCode } from '../../common/generated-types';
import * as i0 from "@angular/core";
/** @dynamic */
export declare class I18nService {
    private ngxTranslate;
    private document;
    _availableLocales: string[];
    _availableLanguages: LanguageCode[];
    get availableLanguages(): LanguageCode[];
    get availableLocales(): string[];
    constructor(ngxTranslate: TranslateService, document: Document);
    /**
     * Set the default language
     */
    setDefaultLanguage(languageCode: LanguageCode): void;
    /**
     * Set the UI language
     */
    setLanguage(language: LanguageCode): void;
    /**
     * Set the available UI languages
     */
    setAvailableLanguages(languages: LanguageCode[]): void;
    /**
     * Set the available UI locales
     */
    setAvailableLocales(locales: string[]): void;
    /**
     * Translate the given key.
     */
    translate(key: string | string[], params?: any): string;
    /**
     * Returns true if the given language code is a right-to-left language.
     */
    isRTL(languageCode: LanguageCode): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<I18nService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<I18nService>;
}