export type Value = object | string | number;
export type ValueCallback = () => Value;
export type Values = {
    [key: string]: Value | ValueCallback;
};
export type ValuesCallback = () => Values;
export type Key = string;
export type LanguageIdentifier = string;
export type Translation = string;
export type Strings = {
    [key: string]: string | Strings;
};
export type TranslationCache = {
    [key: string]: Translation;
};
export type StringsLoader = (lang: LanguageIdentifier, config: ITranslateConfig) => Promise<Strings> | Strings;
export type InterpolateFunction = (text: string, values: Values | ValuesCallback | null, config: ITranslateConfig) => Translation;
export type EmptyFunction = (key: Key, config: ITranslateConfig) => string;
export type LookupFunction = (key: Key, config: ITranslateConfig) => string | null;
export type LangChangedEvent = {
    strings: Strings;
    lang: LanguageIdentifier;
    config: ITranslateConfig;
};
export interface ITranslateConfig {
    loader: StringsLoader;
    interpolate: InterpolateFunction;
    empty: EmptyFunction;
    lookup: LookupFunction;
    translationCache: TranslationCache;
    lang?: LanguageIdentifier;
    strings?: Strings;
}
export type LangChangedSubscription = () => void;
declare global {
    interface GlobalEventHandlersEventMap {
        langChanged: CustomEvent<LangChangedEvent>;
    }
}