import type { Ti18nLanguages, Ti18nOptions } from "../types.js";
/**
 * Initializes the internationalization system with the appropriate language
 *
 * This function:
 * 1. Detects the browser language if available
 * 2. Checks for saved language preference in localStorage
 * 3. Sets the initial language
 *
 * @throws Error if the default language cannot be loaded
 */
export declare function initLanguage(): void;
/**
 * Changes the active language
 *
 * @param {string} code - The language code to switch to
 * @throws Error if the specified language code is not found in the available languages
 */
export declare function setLanguage(code: string): void;
/**
 * Provides internationalization support and handles language loading
 *
 * @param {function} onLoad - Callback function that receives the language data when loaded
 * @param {Partial<Ti18nOptions>} [options] - Optional configuration options for i18n
 * @throws Error if no languages are defined in the options
 */
export declare function i18nProvider(onLoad: (i18n: Ti18nLanguages) => void, options?: Partial<Ti18nOptions>): void;
/**
 * Returns the current active locale code
 *
 * @returns {string} The current locale code
 */
export declare function getCurrentLocale(): string;