import http from 'http';
import type { BasicProxyConfiguration, HttpDestination } from '../scp-cf';
import type { HttpAgentConfig, HttpsAgentConfig } from './agent-config';
/**
 * Returns a promise of the http or https-agent config depending on the destination URL.
 * If the destination contains a proxy configuration, the agent will be a proxy-agent.
 * If not it will be the default http-agent coming from node.
 * @param destination - Determining which kind of configuration is returned.
 * @returns A promise of the HTTP or HTTPS agent configuration.
 */
export declare function getAgentConfig(destination: HttpDestination): Promise<HttpAgentConfig | HttpsAgentConfig>;
/**
 * Options used for establishing mTLS connections.
 * @internal
 */
export interface MtlsOptions {
    /**
     * @internal
     */
    cert: string;
    /**
     * @internal
     */
    key: string;
}
/**
 * Builds part of the request config containing the URL and if needed proxy agents or normal http agents.
 * Considers the `no_proxy` environment variable together with the `targetUri`.
 * @internal
 * @param targetUri - Used as baseURL in request config.
 * @returns HttpRequestConfig containing baseUrl and http(s) agents.
 */
export declare function urlAndAgent(targetUri: string): Promise<{
    baseURL: string;
    proxy?: BasicProxyConfiguration | false;
    httpAgent?: http.Agent;
    httpsAgent?: http.Agent;
}>;