/// <reference types="whatwg-fetch" />
import { Stream } from 'xstream';
export interface HttpClient {
    (url: string, opts?: RequestInit): Promise<Response>;
}
export interface HTTPResource<T> {
    data: Stream<T | undefined>;
    reload(): void;
    put(x: T): void;
    delete(): void;
}
export interface HTTPResourceParams<T> {
    client: HttpClient;
    url: string;
    validateResponse: (x: {}) => T;
}
export declare function createResource<T>({url, validateResponse, client}: HTTPResourceParams<T>): HTTPResource<T>;