export interface UseI18nReturn {
    t: (key: string, params?: Record<string, any>) => string;
    tag: string | null;
    mode: 'system' | 'fixed';
    rtl: boolean;
    setLanguageMode: (mode: 'system' | 'fixed') => void;
    setLanguageTag: (tag: string | null) => void;
    updateOverrides: (next: Record<string, string>) => void;
    resetOverrides: () => void;
}
export default function useI18n(): UseI18nReturn;
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