import type { AllPaths, GetTypeAtPath } from "../types.js";
/**
 * Function for accessing internationalized strings with type safety
 *
 * @template T - The type of the translation object (derived from translation files)
 * @returns A translation function that accepts a key and optional data for variable substitution
 *
 * @example
 * // With flat keys (default approach)
 * type Translations = {
 *   'Hello': string;
 *   'Welcome, {{name}}!': string;
 *   'You have {{count}} messages': string;
 * };
 *
 * const t = getI18n<Translations>();
 *
 * // Get a translation
 * const hello = t('Hello');
 *
 * // With variable substitution
 * const welcome = t('Welcome, {{name}}!', { name: 'User' });
 * const messages = t('You have {{count}} messages', { count: 5 });
 *
 * @example
 * // With nested keys (requires nestedKeys: true in options)
 * type NestedTranslations = {
 *   greetings: {
 *     hello: string;
 *     welcome: string;
 *   }
 * };
 *
 * const t = getI18n<NestedTranslations>();
 * const hello = t('greetings.hello');
 */
export declare function getI18n<T>(): <Path extends AllPaths<T>>(path: Path, data?: Record<string, any>, options?: {
    default?: string;
}) => GetTypeAtPath<T, Path>;