import type { Ref } from 'vue';
import type { UseNamespaceReturn } from '../use-namespace';
export declare type UseLockScreenOptions = {
    ns?: UseNamespaceReturn;
};
/**
 * Hook that monitoring the ref value to lock or unlock the screen.
 * When the trigger became true, it assumes modal is now opened and vice versa.
 * @param trigger {Ref<boolean>}
 */
export declare const useLockscreen: (trigger: Ref<boolean>, options?: UseLockScreenOptions) => void;