import { EchoClient } from './client';
import type { EchoConfig, EchoCreateConfig, EchoResponse } from './types';
export type EchoInstance = ReturnType<Echo['create']>;
export declare class Echo extends EchoClient {
    create: (createConfig?: EchoCreateConfig) => {
        interceptors: {
            request: {
                use: (key: string, onFulfilled?: ((value: EchoConfig) => EchoConfig | Promise<EchoConfig>) | null, onRejected?: null | ((error: any) => any)) => void;
                eject: (key: string) => boolean;
                clear: () => void;
            };
            response: {
                use: (key: string, onFulfilled?: null | ((value: EchoResponse) => EchoResponse | Promise<EchoResponse>), onRejected?: null | ((error: any) => any)) => void;
                eject: (key: string) => boolean;
                clear: () => void;
            };
        };
        request: <T>(config: EchoConfig) => Promise<EchoResponse<T>>;
        get: <T>(url: string, options?: import("./types").EchoRequestOptions) => Promise<EchoResponse<T>>;
        post: <T>(url: string, body?: any, options?: import("./types").EchoRequestOptions) => Promise<EchoResponse<T>>;
        put: <T>(url: string, body?: any, options?: import("./types").EchoRequestOptions) => Promise<EchoResponse<T>>;
        patch: <T>(url: string, body?: any, options?: import("./types").EchoRequestOptions) => Promise<EchoResponse<T>>;
        delete: <T>(url: string, options?: import("./types").EchoRequestOptions) => Promise<EchoResponse<T>>;
    };
}