/**
 * Copyright 2018-2024 Denis Haev (bluefox) <dogafox@gmail.com>
 *
 * MIT License
 *
 */
declare global {
    interface Window {
        sysLang: ioBroker.Languages;
        i18nShow: (filter: string | RegExp) => void;
        i18nDisableWarning: (disable: boolean) => void;
    }
}
type I18nWordDictionary = Record<ioBroker.Languages, string>;
type I18nWordsDictionary = Record<string, I18nWordDictionary>;
type I18nOneLanguageDictionary = Record<string, string>;
type I18nDictionary = {
    [lang in ioBroker.Languages]?: I18nOneLanguageDictionary;
};
type I18nWordsWithPrefix = I18nDictionary & {
    prefix?: string;
};
/**
 * Translation string management.
 */
export declare class I18n {
    /** List of all languages with their translations. */
    static translations: I18nDictionary;
    /** List of unknown translations during development. */
    static unknownTranslations: string[];
    /** The currently displayed language. */
    static lang: ioBroker.Languages;
    static _disableWarning: boolean;
    /**
     * Set the language to display
     *
     * @param lang The default language for translations.
     */
    static setLanguage(lang: ioBroker.Languages): void;
    /**
     * Add translations
     * User can provide two types of structures:
     * - {"word1": "translated word1", "word2": "translated word2"}, but in this case the lang must be provided
     * - {"word1": {"en": "translated en word1", "de": "translated de word1"}, "word2": {"en": "translated en word2", "de": "translated de word2"}}, but no lang must be provided
     *
     * @param words additional words for specific language
     * @param lang language for the words
     */
    static extendTranslations(words: I18nWordsWithPrefix | I18nOneLanguageDictionary | I18nWordsDictionary, lang?: ioBroker.Languages): void;
    /**
     * Sets all translations (in all languages).
     *
     * @param translations The translations to add.
     */
    static setTranslations(translations: I18nDictionary): void;
    /**
     * Get the currently chosen language.
     *
     * @returns The current language.
     */
    static getLanguage(): ioBroker.Languages;
    /**
     * Translate the given string to the selected language
     *
     * @param word The (key) word to look up the string.
     * @param args Optional arguments which will replace the first (second, third, ...) occurrences of %s
     */
    static t(word: string, ...args: any[]): string;
    /**
     * Show non-translated words
     * Required during development
     *
     * @param filter The filter to apply to the list of non-translated words.
     */
    static i18nShow(filter?: string | RegExp): void;
    /**
     * Disable warning about non-translated words
     * Required during development
     *
     * @param disable Whether to disable the warning
     */
    static disableWarning(disable: boolean): void;
}
export {};