import { HttpLibrary, RequestContext, ResponseContext } from './http.js';
import { Observable } from '../rxjsStub.js';
import { RequestInfo, RequestInit } from '@fortaine/fetch';
export declare class IsomorphicFetchHttpLibrary implements HttpLibrary {
    static fetch(...args: [RequestInfo, RequestInit]): any;
    send(request: RequestContext): Observable<ResponseContext>;
}