import { RerouteRule } from './with-rerouting';
export declare type HttpClientConfig = Omit<RequestInit, 'method'> & {
    params?: string | Record<string, string> | string[][] | URLSearchParams;
    inputTransform?: (data: any) => BodyInit | null | undefined;
    outputTransform?: (body: Body) => Promise<any>;
    error?: (err: unknown) => Promise<unknown>;
    raw?: boolean;
    downloadAsFile?: boolean;
};
declare type GetHandler = <T = any>(url: string, config?: HttpClientConfig) => Promise<HttpClientResponse<T>>;
declare type FetchHandler = (url: string, config?: HttpClientConfig & {
    method?: HttpMethods;
}) => Promise<Response>;
declare type WithBodyHandler = <D = any, T = any>(url: string, data: D, config?: HttpClientConfig) => Promise<HttpClientResponse<T>>;
declare type PostMultipartHandler = <T = any>(url: string, data: FormData, config?: HttpClientConfig) => Promise<HttpClientResponse<T>>;
declare type PatchMultipartHandler = <T = any>(url: string, data: FormData, config?: HttpClientConfig) => Promise<HttpClientResponse<T>>;
export declare type HttpMethods = 'GET' | 'POST' | 'PATCH' | 'PUT' | 'DELETE';
export interface HttpClientSupport extends Element {
    proxyWindow?: Window;
    basePath?: string;
    headers?: HeadersInit;
    credentials?: RequestCredentials;
    reroutingRules?: RerouteRule[];
}
export declare type HttpClientResponse<T = any> = Response & {
    data?: T;
};
export declare type HttpClientInstance = {
    get: GetHandler;
    post: WithBodyHandler;
    put: WithBodyHandler;
    patch: WithBodyHandler;
    delete: WithBodyHandler;
    postMultipart: PostMultipartHandler;
    patchMultipart: PatchMultipartHandler;
    fetch: FetchHandler;
};
export declare function createFetchHttpClient(this: HttpClientSupport): HttpClientInstance;
export type { RerouteRule };