import { Ref } from 'vue';
type ClickOutsideHandler = (event: MouseEvent) => void;
/**
 * One window `mousedown` listener shared by all subscribers.
 * Subscribe only while `active` is true (e.g. dropdown open).
 */
export declare function useSharedClickOutside(handler: ClickOutsideHandler, active: Ref<boolean>): void;
export {};