/**
 * Shared mock `i18n` object used by all surfaces.
 *
 * - `formatNumber` / `formatCurrency` stringify the number.
 * - `formatDate` returns the ISO string.
 * - `translate` echoes the translation key.
 */
export declare function createMockI18n(): {
    formatNumber: (number: number | bigint) => string;
    formatCurrency: (number: number | bigint) => string;
    formatDate: (date: Date) => string;
    translate: any;
};
//# sourceMappingURL=i18n.d.ts.map