import type { SocketClient } from './utils/getWDSMetadata';
declare global {
    var __webpack_dev_server_client__: SocketClient | {
        default: SocketClient;
    };
}
/**
 * Initializes a socket server for HMR for webpack-dev-server.
 * @param messageHandler A handler to consume Webpack compilation messages.
 * @param resourceQuery Webpack's `__resourceQuery` string.
 * @returns
 */
export declare function init(messageHandler: (...args: unknown[]) => void, resourceQuery: string): void;