import type { Ref } from 'vue';
import type { NuxtDevtoolsIframeClient } from '../types';
export declare function onDevtoolsClientConnected(fn: (client: NuxtDevtoolsIframeClient) => void): (() => void) | undefined;
export declare function useDevtoolsClient(): Ref<NuxtDevtoolsIframeClient | undefined, NuxtDevtoolsIframeClient | undefined>;