import { InjectionKey } from 'vue-demi';
import type { Fetch } from '../types';
/**
 * activeFetch must be called to handle SSR at the top of functions like
 * `fetch`, `setup`, `serverPrefetch` and others
 */
export declare let activeFetch: Fetch | undefined;
/**
 * inject key
 */
export declare const FetchInjectKey: InjectionKey<Fetch>;
/**
 * Set or unset active fetch, Used in SSR and internally when calling
 * actions and getters
 * @param fetch Fetch instance
 */
export declare const setActiveFetch: (fetch: Fetch | undefined) => Fetch | undefined;
/**
 * Get the currently active fetch if there is any.
 */
export declare const getActiveFetch: () => Fetch | undefined;