import type { Ref } from 'vue';
import type Cwa from '#cwa/cwa';
export declare function registerInstance($cwa: Cwa, iri: string, elements: Ref<HTMLElement[]>): void;
export declare function unregisterInstance($cwa: Cwa, iri: string, elements: Ref<HTMLElement[]>): void;
export declare function instancesOf($cwa: Cwa, iri: string | undefined): Ref<HTMLElement[]>[];
export declare function onInstancesChange($cwa: Cwa, listener: () => void): () => void;
export declare function boundsOf(elements: HTMLElement[]): {
    top: string;
    left: string;
    width: string;
    height: string;
} | undefined;