import { type ShallowRef } from 'vue';
export interface UseFetchOptions<T> {
    onSuccess?: (data: T) => void;
    onError?: (err: any) => void;
    onFinally?: () => void;
    immediate?: boolean;
    initialData?: T;
    stale?: any;
}
interface UseFetchStale<T> {
    isFetching: ShallowRef<boolean>;
    data: ShallowRef<T | undefined>;
    error: ShallowRef<any>;
    promise: ShallowRef<Promise<T>>;
}
interface UseFetchResult<T, U> extends UseFetchStale<T> {
    execute: (params?: U | undefined) => Promise<void>;
}
export declare function useFetch<T = any, U = any>(fetcher: (params: U) => Promise<T> | T, options?: UseFetchOptions<T>): UseFetchResult<T, U>;
export {};