/**
 * Creation of standard ExpressJS server for ReactJS apps.
 */
import { type Express, type Request } from 'express';
import { type HelmetOptions } from 'helmet';
import type { Configuration } from 'webpack';
import { type LoggerI, type OptionsT as RendererOptionsT } from './renderer';
export type CspOptionsT = Exclude<HelmetOptions['contentSecurityPolicy'], boolean | undefined>;
/**
 * @category Utilities
 * @func server/getDefaultCspSettings
 * @global
 * @desc
 * ```js
 * import { server } from '@dr.pogodin/react-utils';
 * const { getDefaultCspSettings } from '@dr.pogodin/react-utils';
 * ```
 * @return {{
 *   directives: object
 * }} A deep copy of default CSP settings object used by `react-utils`,
 * with the exception of `nonce-xxx` clause in `script-src` directive,
 * which is added dynamically for each request.
 */
export declare function getDefaultCspSettings(): {
    directives: Record<string, string[]>;
};
export type ServerT = Express & {
    logger: LoggerI;
};
export type OptionsT = RendererOptionsT & {
    beforeExpressJsError?: (server: ServerT) => Promise<boolean> | boolean;
    beforeExpressJsSetup?: (server: ServerT) => Promise<void> | void;
    cookieSignatureSecret?: string;
    cspSettingsHook?: (defaultOptions: CspOptionsT, req: Request) => CspOptionsT;
    csrfIgnoreRequest?: (req: Request) => boolean;
    devMode?: boolean;
    httpsRedirect?: boolean;
    onExpressJsSetup?: (server: ServerT) => Promise<void> | void;
};
export default function factory(webpackConfig: Configuration, options: OptionsT): Promise<ServerT>;