import { II18nLocale } from "../types";
/**
 * Check if a language is RTL based on language code
 */
export declare const isRTLLanguage: (languageCode: string) => boolean;
/**
 * Parse language tag into locale components
 * Format: language-script-region
 * Examples: en-US, zh-Hant-TW, ar-SA
 */
export declare const parseLanguageTag: (languageTag: string) => (II18nLocale & {
    scriptCode?: string;
}) | null;