import type { I18nConfig, I18nInstance, InterpolationValues, TranslationMessages, Translations } from './types';
/**
 * Set the current locale
 */
export declare function setLocale(locale: string): void;
/**
 * Get the current locale
 */
export declare function getLocale(): string;
/**
 * Set the fallback locale
 */
export declare function setFallbackLocale(locale: string): void;
/**
 * Get available locales
 */
export declare function getAvailableLocales(): string[];
/**
 * Add translations for a locale
 */
export declare function addTranslations(locale: string, messages: TranslationMessages): void;
/**
 * Load translations (alias for addTranslations for multiple locales)
 */
export declare function loadTranslations(messages: Translations): void;
/**
 * Check if a translation exists
 */
export declare function hasTranslation(key: string, locale?: string): boolean;
/**
 * Translate a key
 */
export declare function t(key: string, values?: InterpolationValues, locale?: string): string;
/**
 * Translate with pluralization
 */
export declare function tc(key: string, count: number, values?: InterpolationValues, locale?: string): string;
/**
 * Check if translation exists
 */
export declare function te(key: string, locale?: string): boolean;
/**
 * Get translation message object
 */
export declare function tm(key: string, locale?: string): TranslationMessages | string | undefined;
/**
 * Create a new i18n instance
 */
export declare function createI18n(options?: Partial<I18nConfig>): I18n;
/**
 * Use the i18n composable from an STX component.
 */
export declare function useI18n(options?: Partial<I18nConfig>): I18nInstance;
/**
 * Configure the global i18n instance
 */
export declare function configure(options: Partial<I18nConfig>): void;
/**
 * Alias for t()
 */
export declare const trans: unknown;
/**
 * I18n class for creating isolated instances
 */
export declare class I18n implements I18nInstance {
  constructor(options?: Partial<I18nConfig>);
  get locale(): string;
  set locale(value: string);
  get fallbackLocale(): string;
  get availableLocales(): string[];
  t: unknown;
  tc: unknown;
  te: unknown;
  tm: unknown;
  setLocale: unknown;
  addTranslations: unknown;
  d: unknown;
  n: unknown;
}