import { DependencyList } from 'react';
export interface AsyncState<T> {
    pending: boolean;
    error?: Error;
    result?: T;
}
export interface AsyncActions<T> {
    start: (...args: any[]) => Promise<T | Error>;
    cancel: () => void;
}
export declare type AsyncFn<T> = [AsyncState<T>, AsyncActions<T>];
/**
 * Hook that returns state and a callback for an `async` function or a function that returns a promise.
 * The state is of the same shape as `useAsync`.
 */
export declare const useAsyncFn: <T>(fn: (...args: any[]) => Promise<T>, deps?: DependencyList, initialState?: Partial<AsyncState<T>> | undefined) => AsyncFn<T>;