import { ProxyConfigArray, ProxyConfigMap, Configuration as WebpackDevServerConfiguration } from 'webpack-dev-server';
import { AnyConfiguration, DevConfiguration, Environment } from '../types';
export declare function isDevConfig(input: AnyConfiguration): input is DevConfiguration;
declare type SelectiveEnv = Pick<Environment, 'locations' | 'projectRoot' | 'https'>;
declare type DevServerOptions = {
    allowedHost?: string;
    proxy?: ProxyConfigMap | ProxyConfigArray;
};
export default function withDevServer(config: AnyConfiguration, env: SelectiveEnv, options?: DevServerOptions): AnyConfiguration;
export declare function createDevServer(env: SelectiveEnv, { allowedHost, proxy }?: DevServerOptions): WebpackDevServerConfiguration;
export {};