import 'isomorphic-fetch';
import { Api, Body, Headers, Host, LogLevel, Params, Query } from './type';
export interface HttpOptions {
    host: Host;
    logLevel?: LogLevel;
    query?: Query;
    headers?: Headers;
}
export interface FetchOptions {
    api: Api;
    params?: Params;
    query?: Query;
    body?: Body;
    headers?: Headers;
}
export declare class Http<E> {
    private _options;
    private _url;
    private _logger;
    constructor(_options: HttpOptions);
    get(options: FetchOptions): Promise<{
        req: Request;
        res: Response;
    }>;
    post(options: FetchOptions): Promise<{
        req: Request;
        res: Response;
    }>;
    put(options: FetchOptions): Promise<{
        req: Request;
        res: Response;
    }>;
    patch(options: FetchOptions): Promise<{
        req: Request;
        res: Response;
    }>;
    delete(options: FetchOptions): Promise<{
        req: Request;
        res: Response;
    }>;
    private _buildMethod(method, options);
}