/// <reference types="node" />
import webpack from "webpack";
import { simpleCompiler } from "../webpack/compiler";
import { universalCompiler } from "../webpack-universal/universal-compiler";
export interface ReporterOptions {
    stats?: boolean | "once" | undefined;
    write?: (str: string) => any;
    printStart?: () => string;
    printSuccess?: ({ duration }: {
        duration?: number;
    }) => string;
    printFailure?: (err?: string) => string;
    printInvalidate?: () => string;
    printError?: (err: any) => string;
}
export interface CompilationStats {
    duration: number;
    stats: webpack.Stats;
    clientStats: webpack.Stats;
    serverStats: webpack.Stats;
}
export interface ReporterOptionsSingleCompiler extends ReporterOptions {
    printStats?: ({ stats }: CompilationStats) => string;
}
export interface ReporterOptionsIsomorphicCompiler extends ReporterOptionsSingleCompiler {
    printStats?: ({ clientStats, serverStats, }: {
        clientStats: webpack.Stats;
        serverStats: webpack.Stats;
    }) => string;
}
export interface ObserveWebpackCompilerState {
    isCompiling: boolean;
    error: null | ErrWithStats;
    compilation: {
        duration?: number;
        stats?: webpack.Stats;
    };
    webpackWatching?: null | webpack.Compiler.Watching;
}
export interface ObserveWebpackIsoCompilerState extends ObserveWebpackCompilerState {
    beginAt: null | ReturnType<typeof Date.now>;
    eitherError?: ErrWithStats;
    compilation: {
        duration?: number;
        clientStats?: webpack.Stats;
        serverStats?: webpack.Stats;
    };
    lastStats: {
        clientStats?: webpack.Stats;
        serverStats?: webpack.Stats;
    };
}
export interface CompilerStub {
    webpackCompiler: webpack.Compiler;
    webpackConfig: webpack.Configuration;
}
export interface ErrWithStats extends NodeJS.ErrnoException {
    stats: webpack.Stats;
    detail?: string;
}
export declare type SimpleCompiler = ReturnType<typeof simpleCompiler>;
export declare type UniversalCompiler = ReturnType<typeof universalCompiler>;