type UseFocusModeOptions = {
    /** Notify callback — fires on every toggle in both modes (existing API). */
    onFocusMode?: (isFocusMode: boolean) => void;
    /** Controlled value (D6). Omit for the legacy internal-state behavior. */
    isFocusMode?: boolean;
    /** Controlled setter — receives the next value instead of internal mutation. */
    onFocusModeChange?: (isFocusMode: boolean) => void;
};
export declare const useFocusMode: ({ onFocusMode, isFocusMode: controlledValue, onFocusModeChange, }?: UseFocusModeOptions) => {
    isFocusMode: boolean;
    toggleFocusMode: () => Promise<void>;
};
export {};