type SetupFn = (setFocused: (focused?: boolean) => void) => (() => void) | undefined;
export interface FocusManager extends ReturnType<typeof createFocusManager> {
}
export declare const createFocusManager: () => {
    setEventListener: (setupFn: SetupFn) => void;
    setFocused: (isFocused?: boolean) => void;
    isFocused: () => boolean;
    subscribe: (listener: () => void) => () => void;
};
export declare const focusManager: {
    setEventListener: (setupFn: SetupFn) => void;
    setFocused: (isFocused?: boolean) => void;
    isFocused: () => boolean;
    subscribe: (listener: () => void) => () => void;
};
export {};