/// <reference types="node" />
import webpack from "webpack";
import { ObserveWebpackIsoCompilerState, ErrWithStats } from "../types/compiler";
export declare function universalCompiler(client: webpack.Compiler | webpack.Configuration, server: webpack.Compiler | webpack.Configuration): import("events").EventEmitter & {
    client: {
        webpackConfig: webpack.Configuration;
        webpackCompiler: webpack.Compiler;
    };
    server: {
        webpackConfig: webpack.Configuration;
        webpackCompiler: webpack.Compiler;
    };
    isCompiling(): boolean;
    getCompilation(): {
        duration?: number | undefined;
        clientStats?: webpack.Stats | undefined;
        serverStats?: webpack.Stats | undefined;
    };
    getError(): ErrWithStats | null;
    run(): Promise<{
        duration?: number | undefined;
        clientStats?: webpack.Stats | undefined;
        serverStats?: webpack.Stats | undefined;
    }>;
    watch(options?: webpack.ICompiler.WatchOptions | undefined, handler?: ((err: Error | undefined, stats: {
        duration?: number;
        clientStats?: webpack.Stats;
        serverStats?: webpack.Stats;
    }) => void) | undefined): () => void;
    unwatch(): Promise<void>;
    resolve(): Promise<ObserveWebpackIsoCompilerState["compilation"]>;
};