import { AntdLocale } from './AntdLocale';
/**
 * Cached locale data.
 */
export interface LocaleData {
    [prop: string]: string | LocaleData;
}
/**
 * Loads, caches and queries localization data.
 */
export declare class I18n {
    #private;
    /**
     * Current locale used by this object.
     */
    locale?: string;
    /**
     * Intl.Locale object for the current locale.
     */
    intl?: Intl.Locale;
    /**
     * Cached locale data for ant design.
     */
    antdLocaleData?: AntdLocale;
    /**
     * The loading flag.
     */
    loading: boolean;
    constructor(localeData?: LocaleData, antdLocaleData?: AntdLocale, locale?: string | undefined);
    /**
     * Get a localized string value.
     *
     * @param key The language key.
     * @param values The handlebar values to be substitued.
     * @returns The localized string value.
     */
    get: (key: string, values?: Record<string, string>) => string;
    /**
     * Get a localized string value.
     *
     * ```typescript
     * const {t} = useI18n()
     * const localizedStr = t('foo.bar')
     * ```
     *
     * @param key The language key.
     * @param values The handlebar values to be substitued.
     * @returns The localized string value.
     */
    t: (key: string, values?: Record<string, string>) => string;
    /**
     * @returns All the keys used for localization.
     */
    keys: () => string[];
    /**
     * Return true key is available.
     *
     * @param key The key to test.
     * @returns true if the specified key is available.
     */
    has: (key: string) => boolean;
    /**
     * @returns A copy of the internal locale string map.
     */
    get internalMap(): Record<string, string>;
    /**
     * Import the locale data from the server for the given path.
     *
     * @param locale The language locale to use.
     * @param path The path URI.
     * @param fetch An optional alternative fetch function to use for
     * the network request.
     */
    import: (locale: string, path: string, fetchFunc?: typeof fetch) => Promise<void>;
    /**
     * Replace the values in the string with the supplied values.
     *
     * The string should use handlebars style syntax to define the
     * variables to be replaced. For example, `Hello {{world}} will have
     * `world` replaced by an object that has a `world` property.
     *
     * @param str The string to update.
     * @param values The values to be used in the update process.
     * @returns The updated string.
     */
    static replaceDynamicValues(str: string, values?: Record<string, string>): string;
    /**
     * Parse a FIN5 language file and return the locale data.
     *
     * @param input The input text.
     * @returns The locale data.
     */
    static parseFin5LanguageFile(input: string): LocaleData;
    /**
     * Extracts the ISO 639-1 langage code from the locale.
     *
     * @param locale The locale.
     * @returns The language code.
     */
    static getLanguageCode(locale: string): string;
    /**
     * Convert the locale to a valid unicode locale identifier.
     *
     * @param locale The locale tag to convert.
     * @returns The language tag.
     */
    static toLocaleIdentifier(locale: string): string;
    /**
     * Convert the locale into an ant design compatible locale provider.
     *
     * @param locale The locale tag to convert.
     * @returns The locale provider.
     */
    static toLocaleProvider(locale: string): string;
}