/**
 * An alias to `window.fetch` type definition.
 */
declare type Fetch = typeof window.fetch;
/**
 * Options to do a request (`"url"` + `fetch`'s second argument).
 */
export declare type RequestOptions = RequestInit & {
    url: string;
};
/**
 * Interceptors to handle request errors.
 */
declare type ErrorInterceptors = {
    /**
     * Handle request and response errors.
     * @param reason - Error reason, almost every time is an `Error` instance.
     */
    onError?: (reason?: Error) => Promise<never>;
    /**
     * Handle request errors. Overwrites `onError` handling request errors.
     * @param reason - Error reason, almost every time is an `Error` instance.
     */
    onRequestError?: (reason?: Error) => Promise<never>;
    /**
     * Handle response errors. Overwrites `onError` handling response errors.
     * @param reason - Error reason, almost every time is an `Error` instance.
     */
    onResponseError?: (reason?: Error) => Promise<never>;
};
/**
 * Apply interceptors to `fetch` and create a custom request function.
 * @param fetch - Yours environment Fetch function.
 * @param interceptors - Interceptors as a kind of protocol to handle requests.
 */
declare const createRequest: {
    (fetch: Fetch, interceptors?: ErrorInterceptors): (...params: [RequestOptions]) => Promise<Response>;
    <R = Response>(fetch: Fetch, interceptors?: ErrorInterceptors & {
        onResponse: (response: Response) => R | PromiseLike<R>;
    }): (...params: [RequestOptions]) => Promise<R>;
    <A extends any[]>(fetch: Fetch, interceptors?: ErrorInterceptors & {
        onRequest: (...params: A) => RequestOptions;
    }): (...params: A) => Promise<Response>;
    <A extends any[], R = Response>(fetch: Fetch, interceptors?: ErrorInterceptors & {
        onRequest: (...params: A) => RequestOptions;
        onResponse: (response: Response) => R | PromiseLike<R>;
    }): (...params: A) => Promise<R>;
};
export default createRequest;