export declare function initI18nOptions(platform: UniApp.PLATFORM, inputDir: string, warning?: boolean, withMessages?: boolean): { locale: string; locales: Record>; delimiters: [string, string]; } | undefined; export declare const initI18nOptionsOnce: typeof initI18nOptions; export declare function isUniAppLocaleFile(filepath: string): boolean; export declare function getLocaleFiles(cwd: string): string[]; export declare function initLocales(dir: string, withMessages?: boolean): Record>; export declare function resolveI18nLocale(platform: UniApp.PLATFORM, locales: string[], locale?: string): string;