export default function useFetch<T = any>(url: string | false | null | undefined, params?: any, body?: any): [T, boolean, any, (signal?: AbortSignal | undefined) => void];
export declare function useFreeFetch<T = any>(url: string | false | null | undefined, params?: any, body?: any): [T, boolean, any, (signal?: AbortSignal | undefined) => void];