export declare class Proxy {
    /**
     * Proxy to be used on request.
     */
    protected proxy: string;
    /**
     * Get the proxy to be used on request.
     *
     * @returns {string}
     */
    getProxy(): string;
    /**
     * Build the proxy to be used on request.
     *
     * @returns {Promise<string>}
     */
    buildProxy(): Promise<string>;
}