node.d.ts

// Type definitions for Node.js v0.12.0
// Project: http://nodejs.org/
// Definitions by: Microsoft TypeScript <http://typescriptlang.org>, DefinitelyTyped <https://github.com/borisyankov/DefinitelyTyped>
// Definitions: https://github.com/borisyankov/DefinitelyTyped

/************************************************
*                                               *
*               Node.js v0.12.0 API             *
*                                               *
************************************************/

/************************************************
*                                               *
*                   GLOBAL                      *
*                                               *
************************************************/
declare var process: NodeJS.Process;
declare var global: NodeJS.Global;

declare var __filename: string;
declare var __dirname: string;

declare function setTimeout(callback: (...args: any[]) => void, ms: number, ...args: any[]): NodeJS.Timer;
declare function clearTimeout(timeoutId: NodeJS.Timer): void;
declare function setInterval(callback: (...args: any[]) => void, ms: number, ...args: any[]): NodeJS.Timer;
declare function clearInterval(intervalId: NodeJS.Timer): void;
declare function setImmediate(callback: (...args: any[]) => void, ...args: any[]): any;
declare function clearImmediate(immediateId: any): void;

declare var require: {
    (id: string): any;
    resolve(id:string): string;
    cache: any;
    extensions: any;
    main: any;
};

declare var module: {
    exports: any;
    require(id: string): any;
    id: string;
    filename: string;
    loaded: boolean;
    parent: any;
    children: any[];
};

// Same as module.exports
declare var exports: any;
declare var SlowBuffer: {
    new (str: string, encoding?: string): Buffer;
    new (size: number): Buffer;
    new (size: Uint8Array): Buffer;
    new (array: any[]): Buffer;
    prototype: Buffer;
    isBuffer(obj: any): boolean;
    byteLength(string: string, encoding?: string): number;
    concat(list: Buffer[], totalLength?: number): Buffer;
};


// Buffer class
interface Buffer extends NodeBuffer {}

/**
 * Raw data is stored in instances of the Buffer class.
 * A Buffer is similar to an array of integers but corresponds to a raw memory allocation outside the V8 heap.  A Buffer cannot be resized.
 * Valid string encodings: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'binary'(deprecated)|'hex'
 */
declare var Buffer: {
    /**
     * Allocates a new buffer containing the given {str}.
     *
     * @param str String to store in buffer.
     * @param encoding encoding to use, optional.  Default is 'utf8'
     */
    new (str: string, encoding?: string): Buffer;
    /**
     * Allocates a new buffer of {size} octets.
     *
     * @param size count of octets to allocate.
     */
    new (size: number): Buffer;
    /**
     * Allocates a new buffer containing the given {array} of octets.
     *
     * @param array The octets to store.
     */
    new (array: Uint8Array): Buffer;
    /**
     * Allocates a new buffer containing the given {array} of octets.
     *
     * @param array The octets to store.
     */
    new (array: any[]): Buffer;
    prototype: Buffer;
    /**
     * Returns true if {obj} is a Buffer
     *
     * @param obj object to test.
     */
    isBuffer(obj: any): boolean;
    /**
     * Returns true if {encoding} is a valid encoding argument.
     * Valid string encodings in Node 0.12: 'ascii'|'utf8'|'utf16le'|'ucs2'(alias of 'utf16le')|'base64'|'binary'(deprecated)|'hex'
     *
     * @param encoding string to test.
     */
    isEncoding(encoding: string): boolean;
    /**
     * Gives the actual byte length of a string. encoding defaults to 'utf8'.
     * This is not the same as String.prototype.length since that returns the number of characters in a string.
     *
     * @param string string to test.
     * @param encoding encoding used to evaluate (defaults to 'utf8')
     */
    byteLength(string: string, encoding?: string): number;
    /**
     * Returns a buffer which is the result of concatenating all the buffers in the list together.
     *
     * If the list has no items, or if the totalLength is 0, then it returns a zero-length buffer.
     * If the list has exactly one item, then the first item of the list is returned.
     * If the list has more than one item, then a new Buffer is created.
     *
     * @param list An array of Buffer objects to concatenate
     * @param totalLength Total length of the buffers when concatenated.
     *   If totalLength is not provided, it is read from the buffers in the list. However, this adds an additional loop to the function, so it is faster to provide the length explicitly.
     */
    concat(list: Buffer[], totalLength?: number): Buffer;
};

/************************************************
*                                               *
*               GLOBAL INTERFACES               *
*                                               *
************************************************/
declare module NodeJS {
    export interface ErrnoException extends Error {
        errno?: number;
        code?: string;
        path?: string;
        syscall?: string;
    }

    export interface EventEmitter {
        addListener(event: string, listener: Function): EventEmitter;
        on(event: string, listener: Function): EventEmitter;
        once(event: string, listener: Function): EventEmitter;
        removeListener(event: string, listener: Function): EventEmitter;
        removeAllListeners(event?: string): EventEmitter;
        setMaxListeners(n: number): void;
        listeners(event: string): Function[];
        emit(event: string, ...args: any[]): boolean;
    }

    export interface ReadableStream extends EventEmitter {
        readable: boolean;
        read(size?: number): string|Buffer;
        setEncoding(encoding: string): void;
        pause(): void;
        resume(): void;
        pipe<T extends WritableStream>(destination: T, options?: { end?: boolean; }): T;
        unpipe<T extends WritableStream>(destination?: T): void;
        unshift(chunk: string): void;
        unshift(chunk: Buffer): void;
        wrap(oldStream: ReadableStream): ReadableStream;
    }

    export interface WritableStream extends EventEmitter {
        writable: boolean;
        write(buffer: Buffer, cb?: Function): boolean;
        write(str: string, cb?: Function): boolean;
        write(str: string, encoding?: string, cb?: Function): boolean;
        end(): void;
        end(buffer: Buffer, cb?: Function): void;
        end(str: string, cb?: Function): void;
        end(str: string, encoding?: string, cb?: Function): void;
    }

    export interface ReadWriteStream extends ReadableStream, WritableStream {}

    export interface Process extends EventEmitter {
        stdout: WritableStream;
        stderr: WritableStream;
        stdin: ReadableStream;
        argv: string[];
        execPath: string;
        abort(): void;
        chdir(directory: string): void;
        cwd(): string;
        env: any;
        exit(code?: number): void;
        getgid(): number;
        setgid(id: number): void;
        setgid(id: string): void;
        getuid(): number;
        setuid(id: number): void;
        setuid(id: string): void;
        version: string;
        versions: {
            http_parser: string;
            node: string;
            v8: string;
            ares: string;
            uv: string;
            zlib: string;
            openssl: string;
        };
        config: {
            target_defaults: {
                cflags: any[];
                default_configuration: string;
                defines: string[];
                include_dirs: string[];
                libraries: string[];
            };
            variables: {
                clang: number;
                host_arch: string;
                node_install_npm: boolean;
                node_install_waf: boolean;
                node_prefix: string;
                node_shared_openssl: boolean;
                node_shared_v8: boolean;
                node_shared_zlib: boolean;
                node_use_dtrace: boolean;
                node_use_etw: boolean;
                node_use_openssl: boolean;
                target_arch: string;
                v8_no_strict_aliasing: number;
                v8_use_snapshot: boolean;
                visibility: string;
            };
        };
        kill(pid: number, signal?: string): void;
        pid: number;
        title: string;
        arch: string;
        platform: string;
        memoryUsage(): { rss: number; heapTotal: number; heapUsed: number; };
        nextTick(callback: Function): void;
        umask(mask?: number): number;
        uptime(): number;
        hrtime(time?:number[]): number[];

        // Worker
        send?(message: any, sendHandle?: any): void;
    }

    export interface Global {
        Array: typeof Array;
        ArrayBuffer: typeof ArrayBuffer;
        Boolean: typeof Boolean;
        Buffer: typeof Buffer;
        DataView: typeof DataView;
        Date: typeof Date;
        Error: typeof Error;
        EvalError: typeof EvalError;
        Float32Array: typeof Float32Array;
        Float64Array: typeof Float64Array;
        Function: typeof Function;
        GLOBAL: Global;
        Infinity: typeof Infinity;
        Int16Array: typeof Int16Array;
        Int32Array: typeof Int32Array;
        Int8Array: typeof Int8Array;
        Intl: typeof Intl;
        JSON: typeof JSON;
        Map: typeof Map;
        Math: typeof Math;
        NaN: typeof NaN;
        Number: typeof Number;
        Object: typeof Object;
        Promise: Function;
        RangeError: typeof RangeError;
        ReferenceError: typeof ReferenceError;
        RegExp: typeof RegExp;
        Set: typeof Set;
        String: typeof String;
        Symbol: Function;
        SyntaxError: typeof SyntaxError;
        TypeError: typeof TypeError;
        URIError: typeof URIError;
        Uint16Array: typeof Uint16Array;
        Uint32Array: typeof Uint32Array;
        Uint8Array: typeof Uint8Array;
        Uint8ClampedArray: Function;
        WeakMap: typeof WeakMap;
        WeakSet: Function;
        clearImmediate: (immediateId: any) => void;
        clearInterval: (intervalId: NodeJS.Timer) => void;
        clearTimeout: (timeoutId: NodeJS.Timer) => void;
        console: typeof console;
        decodeURI: typeof decodeURI;
        decodeURIComponent: typeof decodeURIComponent;
        encodeURI: typeof encodeURI;
        encodeURIComponent: typeof encodeURIComponent;
        escape: (str: string) => string;
        eval: typeof eval;
        global: Global;
        isFinite: typeof isFinite;
        isNaN: typeof isNaN;
        parseFloat: typeof parseFloat;
        parseInt: typeof parseInt;
        process: Process;
        root: Global;
        setImmediate: (callback: (...args: any[]) => void, ...args: any[]) => any;
        setInterval: (callback: (...args: any[]) => void, ms: number, ...args: any[]) => NodeJS.Timer;
        setTimeout: (callback: (...args: any[]) => void, ms: number, ...args: any[]) => NodeJS.Timer;
        undefined: typeof undefined;
        unescape: (str: string) => string;
        gc: () => void;
    }

    export interface Timer {
        ref() : void;
        unref() : void;
    }
}

/**
 * @deprecated
 */
interface NodeBuffer {
    [index: number]: number;
    write(string: string, offset?: number, length?: number, encoding?: string): number;
    toString(encoding?: string, start?: number, end?: number): string;
    toJSON(): any;
    length: number;
    copy(targetBuffer: Buffer, targetStart?: number, sourceStart?: number, sourceEnd?: number): number;
    slice(start?: number, end?: number): Buffer;
    readUInt8(offset: number, noAsset?: boolean): number;
    readUInt16LE(offset: number, noAssert?: boolean): number;
    readUInt16BE(offset: number, noAssert?: boolean): number;
    readUInt32LE(offset: number, noAssert?: boolean): number;
    readUInt32BE(offset: number, noAssert?: boolean): number;
    readInt8(offset: number, noAssert?: boolean): number;
    readInt16LE(offset: number, noAssert?: boolean): number;
    readInt16BE(offset: number, noAssert?: boolean): number;
    readInt32LE(offset: number, noAssert?: boolean): number;
    readInt32BE(offset: number, noAssert?: boolean): number;
    readFloatLE(offset: number, noAssert?: boolean): number;
    readFloatBE(offset: number, noAssert?: boolean): number;
    readDoubleLE(offset: number, noAssert?: boolean): number;
    readDoubleBE(offset: number, noAssert?: boolean): number;
    writeUInt8(value: number, offset: number, noAssert?: boolean): void;
    writeUInt16LE(value: number, offset: number, noAssert?: boolean): void;
    writeUInt16BE(value: number, offset: number, noAssert?: boolean): void;
    writeUInt32LE(value: number, offset: number, noAssert?: boolean): void;
    writeUInt32BE(value: number, offset: number, noAssert?: boolean): void;
    writeInt8(value: number, offset: number, noAssert?: boolean): void;
    writeInt16LE(value: number, offset: number, noAssert?: boolean): void;
    writeInt16BE(value: number, offset: number, noAssert?: boolean): void;
    writeInt32LE(value: number, offset: number, noAssert?: boolean): void;
    writeInt32BE(value: number, offset: number, noAssert?: boolean): void;
    writeFloatLE(value: number, offset: number, noAssert?: boolean): void;
    writeFloatBE(value: number, offset: number, noAssert?: boolean): void;
    writeDoubleLE(value: number, offset: number, noAssert?: boolean): void;
    writeDoubleBE(value: number, offset: number, noAssert?: boolean): void;
    fill(value: any, offset?: number, end?: number): void;
}

/************************************************
*                                               *
*                   MODULES                     *
*                                               *
************************************************/
declare module "buffer" {
    export var INSPECT_MAX_BYTES: number;
}

declare module "querystring" {
    export function stringify(obj: any, sep?: string, eq?: string): string;
    export function parse(str: string, sep?: string, eq?: string, options?: { maxKeys?: number; }): any;
    export function escape(str: string): string;
    export function unescape(str: string): string;
}

declare module "events" {
    export class EventEmitter implements NodeJS.EventEmitter {
        static listenerCount(emitter: EventEmitter, event: string): number;

        addListener(event: string, listener: Function): EventEmitter;
        on(event: string, listener: Function): EventEmitter;
        once(event: string, listener: Function): EventEmitter;
        removeListener(event: string, listener: Function): EventEmitter;
        removeAllListeners(event?: string): EventEmitter;
        setMaxListeners(n: number): void;
        listeners(event: string): Function[];
        emit(event: string, ...args: any[]): boolean;
   }
}

declare module "http" {
    import events = require("events");
    import net = require("net");
    import stream = require("stream");

    export interface Server extends events.EventEmitter {
        listen(port: number, hostname?: string, backlog?: number, callback?: Function): Server;
        listen(port: number, hostname?: string, callback?: Function): Server;
        listen(path: string, callback?: Function): Server;
        listen(handle: any, listeningListener?: Function): Server;
        close(cb?: any): Server;
        address(): { port: number; family: string; address: string; };
        maxHeadersCount: number;
    }
    /**
     * @deprecated Use IncomingMessage
     */
    export interface ServerRequest extends IncomingMessage {
        connection: net.Socket;
    }
    export interface ServerResponse extends events.EventEmitter, stream.Writable {
        // Extended base methods
        write(buffer: Buffer): boolean;
        write(buffer: Buffer, cb?: Function): boolean;
        write(str: string, cb?: Function): boolean;
        write(str: string, encoding?: string, cb?: Function): boolean;
        write(str: string, encoding?: string, fd?: string): boolean;

        writeContinue(): void;
        writeHead(statusCode: number, reasonPhrase?: string, headers?: any): void;
        writeHead(statusCode: number, headers?: any): void;
        statusCode: number;
        setHeader(name: string, value: string): void;
        sendDate: boolean;
        getHeader(name: string): string;
        removeHeader(name: string): void;
        write(chunk: any, encoding?: string): any;
        addTrailers(headers: any): void;

        // Extended base methods
        end(): void;
        end(buffer: Buffer, cb?: Function): void;
        end(str: string, cb?: Function): void;
        end(str: string, encoding?: string, cb?: Function): void;
        end(data?: any, encoding?: string): void;
    }
    export interface ClientRequest extends events.EventEmitter, stream.Writable {
        // Extended base methods
        write(buffer: Buffer): boolean;
        write(buffer: Buffer, cb?: Function): boolean;
        write(str: string, cb?: Function): boolean;
        write(str: string, encoding?: string, cb?: Function): boolean;
        write(str: string, encoding?: string, fd?: string): boolean;

        write(chunk: any, encoding?: string): void;
        abort(): void;
        setTimeout(timeout: number, callback?: Function): void;
        setNoDelay(noDelay?: boolean): void;
        setSocketKeepAlive(enable?: boolean, initialDelay?: number): void;

        // Extended base methods
        end(): void;
        end(buffer: Buffer, cb?: Function): void;
        end(str: string, cb?: Function): void;
        end(str: string, encoding?: string, cb?: Function): void;
        end(data?: any, encoding?: string): void;
    }
    export interface IncomingMessage extends events.EventEmitter, stream.Readable {
        httpVersion: string;
        headers: any;
        rawHeaders: string[];
        trailers: any;
        rawTrailers: any;
        setTimeout(msecs: number, callback: Function): NodeJS.Timer;
        /**
         * Only valid for request obtained from http.Server.
         */
        method?: string;
        /**
         * Only valid for request obtained from http.Server.
         */
        url?: string;
        /**
         * Only valid for response obtained from http.ClientRequest.
         */
        statusCode?: number;
        /**
         * Only valid for response obtained from http.ClientRequest.
         */
        statusMessage?: string;
        socket: net.Socket;
    }
    /**
     * @deprecated Use IncomingMessage
     */
    export interface ClientResponse extends IncomingMessage { }

	export interface AgentOptions {
		/**
		 * Keep sockets around in a pool to be used by other requests in the future. Default = false
		 */
		keepAlive?: boolean;
		/**
		 * When using HTTP KeepAlive, how often to send TCP KeepAlive packets over sockets being kept alive. Default = 1000.
		 * Only relevant if keepAlive is set to true.
		 */
		keepAliveMsecs?: number;
		/**
		 * Maximum number of sockets to allow per host. Default for Node 0.10 is 5, default for Node 0.12 is Infinity
		 */
		maxSockets?: number;
		/**
		 * Maximum number of sockets to leave open in a free state. Only relevant if keepAlive is set to true. Default = 256.
		 */
		maxFreeSockets?: number;
	}

    export class Agent {
		maxSockets: number;
		sockets: any;
		requests: any;

		constructor(opts?: AgentOptions);

		/**
		 * Destroy any sockets that are currently in use by the agent.
		 * It is usually not necessary to do this. However, if you are using an agent with KeepAlive enabled,
		 * then it is best to explicitly shut down the agent when you know that it will no longer be used. Otherwise,
		 * sockets may hang open for quite a long time before the server terminates them.
		 */
		destroy(): void;
	}

    export var STATUS_CODES: {
        [errorCode: number]: string;
        [errorCode: string]: string;
    };
    export function createServer(requestListener?: (request: IncomingMessage, response: ServerResponse) =>void ): Server;
    export function createClient(port?: number, host?: string): any;
    export function request(options: any, callback?: (res: IncomingMessage) => void): ClientRequest;
    export function get(options: any, callback?: (res: IncomingMessage) => void): ClientRequest;
    export var globalAgent: Agent;
}

declare module "cluster" {
    import child  = require("child_process");
    import events = require("events");

    export interface ClusterSettings {
        exec?: string;
        args?: string[];
        silent?: boolean;
    }

    export class Worker extends events.EventEmitter {
        id: string;
        process: child.ChildProcess;
        suicide: boolean;
        send(message: any, sendHandle?: any): void;
        kill(signal?: string): void;
        destroy(signal?: string): void;
        disconnect(): void;
    }

    export var settings: ClusterSettings;
    export var isMaster: boolean;
    export var isWorker: boolean;
    export function setupMaster(settings?: ClusterSettings): void;
    export function fork(env?: any): Worker;
    export function disconnect(callback?: Function): void;
    export var worker: Worker;
    export var workers: Worker[];

    // Event emitter
    export function addListener(event: string, listener: Function): void;
    export function on(event: string, listener: Function): any;
    export function once(event: string, listener: Function): void;
    export function removeListener(event: string, listener: Function): void;
    export function removeAllListeners(event?: string): void;
    export function setMaxListeners(n: number): void;
    export function listeners(event: string): Function[];
    export function emit(event: string, ...args: any[]): boolean;
}

declare module "zlib" {
    import stream = require("stream");
    export interface ZlibOptions { chunkSize?: number; windowBits?: number; level?: number; memLevel?: number; strategy?: number; dictionary?: any; }

    export interface Gzip extends stream.Transform { }
    export interface Gunzip extends stream.Transform { }
    export interface Deflate extends stream.Transform { }
    export interface Inflate extends stream.Transform { }
    export interface DeflateRaw extends stream.Transform { }
    export interface InflateRaw extends stream.Transform { }
    export interface Unzip extends stream.Transform { }

    export function createGzip(options?: ZlibOptions): Gzip;
    export function createGunzip(options?: ZlibOptions): Gunzip;
    export function createDeflate(options?: ZlibOptions): Deflate;
    export function createInflate(options?: ZlibOptions): Inflate;
    export function createDeflateRaw(options?: ZlibOptions): DeflateRaw;
    export function createInflateRaw(options?: ZlibOptions): InflateRaw;
    export function createUnzip(options?: ZlibOptions): Unzip;

    export function deflate(buf: Buffer, callback: (error: Error, result: any) =>void ): void;
    export function deflateRaw(buf: Buffer, callback: (error: Error, result: any) =>void ): void;
    export function gzip(buf: Buffer, callback: (error: Error, result: any) =>void ): void;
    export function gunzip(buf: Buffer, callback: (error: Error, result: any) =>void ): void;
    export function inflate(buf: Buffer, callback: (error: Error, result: any) =>void ): void;
    export function inflateRaw(buf: Buffer, callback: (error: Error, result: any) =>void ): void;
    export function unzip(buf: Buffer, callback: (error: Error, result: any) =>void ): void;

    // Constants
    export var Z_NO_FLUSH: number;
    export var Z_PARTIAL_FLUSH: number;
    export var Z_SYNC_FLUSH: number;
    export var Z_FULL_FLUSH: number;
    export var Z_FINISH: number;
    export var Z_BLOCK: number;
    export var Z_TREES: number;
    export var Z_OK: number;
    export var Z_STREAM_END: number;
    export var Z_NEED_DICT: number;
    export var Z_ERRNO: number;
    export var Z_STREAM_ERROR: number;
    export var Z_DATA_ERROR: number;
    export var Z_MEM_ERROR: number;
    export var Z_BUF_ERROR: number;
    export var Z_VERSION_ERROR: number;
    export var Z_NO_COMPRESSION: number;
    export var Z_BEST_SPEED: number;
    export var Z_BEST_COMPRESSION: number;
    export var Z_DEFAULT_COMPRESSION: number;
    export var Z_FILTERED: number;
    export var Z_HUFFMAN_ONLY: number;
    export var Z_RLE: number;
    export var Z_FIXED: number;
    export var Z_DEFAULT_STRATEGY: number;
    export var Z_BINARY: number;
    export var Z_TEXT: number;
    export var Z_ASCII: number;
    export var Z_UNKNOWN: number;
    export var Z_DEFLATED: number;
    export var Z_NULL: number;
}

declare module "os" {
    export function tmpdir(): string;
    export function hostname(): string;
    export function type(): string;
    export function platform(): string;
    export function arch(): string;
    export function release(): string;
    export function uptime(): number;
    export function loadavg(): number[];
    export function totalmem(): number;
    export function freemem(): number;
    export function cpus(): { model: string; speed: number; times: { user: number; nice: number; sys: number; idle: number; irq: number; }; }[];
    export function networkInterfaces(): any;
    export var EOL: string;
}

declare module "https" {
    import tls = require("tls");
    import events = require("events");
    import http = require("http");

    export interface ServerOptions {
        pfx?: any;
        key?: any;
        passphrase?: string;
        cert?: any;
        ca?: any;
        crl?: any;
        ciphers?: string;
        honorCipherOrder?: boolean;
        requestCert?: boolean;
        rejectUnauthorized?: boolean;
        NPNProtocols?: any;
        SNICallback?: (servername: string) => any;
    }

    export interface RequestOptions {
        host?: string;
        hostname?: string;
        port?: number;
        path?: string;
        method?: string;
        headers?: any;
        auth?: string;
        agent?: any;
        pfx?: any;
        key?: any;
        passphrase?: string;
        cert?: any;
        ca?: any;
        ciphers?: string;
        rejectUnauthorized?: boolean;
    }

    export interface Agent {
        maxSockets: number;
        sockets: any;
        requests: any;
    }
    export var Agent: {
        new (options?: RequestOptions): Agent;
    };
    export interface Server extends tls.Server { }
    export function createServer(options: ServerOptions, requestListener?: Function): Server;
    export function request(options: RequestOptions, callback?: (res: http.IncomingMessage) =>void ): http.ClientRequest;
    export function get(options: RequestOptions, callback?: (res: http.IncomingMessage) =>void ): http.ClientRequest;
    export var globalAgent: Agent;
}

declare module "punycode" {
    export function decode(string: string): string;
    export function encode(string: string): string;
    export function toUnicode(domain: string): string;
    export function toASCII(domain: string): string;
    export var ucs2: ucs2;
    interface ucs2 {
        decode(string: string): string;
        encode(codePoints: number[]): string;
    }
    export var version: any;
}

declare module "repl" {
    import stream = require("stream");
    import events = require("events");

    export interface ReplOptions {
        prompt?: string;
        input?: NodeJS.ReadableStream;
        output?: NodeJS.WritableStream;
        terminal?: boolean;
        eval?: Function;
        useColors?: boolean;
        useGlobal?: boolean;
        ignoreUndefined?: boolean;
        writer?: Function;
    }
    export function start(options: ReplOptions): events.EventEmitter;
}

declare module "readline" {
    import events = require("events");
    import stream = require("stream");

    export interface ReadLine extends events.EventEmitter {
        setPrompt(prompt: string, length: number): void;
        prompt(preserveCursor?: boolean): void;
        question(query: string, callback: Function): void;
        pause(): void;
        resume(): void;
        close(): void;
        write(data: any, key?: any): void;
    }
    export interface ReadLineOptions {
        input: NodeJS.ReadableStream;
        output: NodeJS.WritableStream;
        completer?: Function;
        terminal?: boolean;
    }
    export function createInterface(options: ReadLineOptions): ReadLine;
}

declare module "vm" {
    export interface Context { }
    export interface Script {
        runInThisContext(): void;
        runInNewContext(sandbox?: Context): void;
    }
    export function runInThisContext(code: string, filename?: string): void;
    export function runInNewContext(code: string, sandbox?: Context, filename?: string): void;
    export function runInContext(code: string, context: Context, filename?: string): void;
    export function createContext(initSandbox?: Context): Context;
    export function createScript(code: string, filename?: string): Script;
}

declare module "child_process" {
    import events = require("events");
    import stream = require("stream");

    export interface ChildProcess extends events.EventEmitter {
        stdin:  stream.Writable;
        stdout: stream.Readable;
        stderr: stream.Readable;
        pid: number;
        kill(signal?: string): void;
        send(message: any, sendHandle?: any): void;
        disconnect(): void;
    }

    export function spawn(command: string, args?: string[], options?: {
        cwd?: string;
        stdio?: any;
        custom?: any;
        env?: any;
        detached?: boolean;
    }): ChildProcess;
    export function exec(command: string, options: {
        cwd?: string;
        stdio?: any;
        customFds?: any;
        env?: any;
        encoding?: string;
        timeout?: number;
        maxBuffer?: number;
        killSignal?: string;
    }, callback?: (error: Error, stdout: Buffer, stderr: Buffer) =>void ): ChildProcess;
    export function exec(command: string, callback?: (error: Error, stdout: Buffer, stderr: Buffer) =>void ): ChildProcess;
    export function execFile(file: string,
        callback?: (error: Error, stdout: Buffer, stderr: Buffer) =>void ): ChildProcess;
    export function execFile(file: string, args?: string[],
        callback?: (error: Error, stdout: Buffer, stderr: Buffer) =>void ): ChildProcess;
    export function execFile(file: string, args?: string[], options?: {
        cwd?: string;
        stdio?: any;
        customFds?: any;
        env?: any;
        encoding?: string;
        timeout?: number;
        maxBuffer?: string;
        killSignal?: string;
    }, callback?: (error: Error, stdout: Buffer, stderr: Buffer) =>void ): ChildProcess;
    export function fork(modulePath: string, args?: string[], options?: {
        cwd?: string;
        env?: any;
        encoding?: string;
    }): ChildProcess;
    export function execSync(command: string, options?: {
        cwd?: string;
        input?: string|Buffer;
        stdio?: any;
        env?: any;
        uid?: number;
        gid?: number;
        timeout?: number;
        maxBuffer?: number;
        killSignal?: string;
        encoding?: string;
    }): ChildProcess;
    export function execFileSync(command: string, args?: string[], options?: {
        cwd?: string;
        input?: string|Buffer;
        stdio?: any;
        env?: any;
        uid?: number;
        gid?: number;
        timeout?: number;
        maxBuffer?: number;
        killSignal?: string;
        encoding?: string;
    }): ChildProcess;
}

declare module "url" {
    export interface Url {
        href: string;
        protocol: string;
        auth: string;
        hostname: string;
        port: string;
        host: string;
        pathname: string;
        search: string;
        query: any; // string | Object
        slashes: boolean;
        hash?: string;
        path?: string;
    }

    export interface UrlOptions {
        protocol?: string;
        auth?: string;
        hostname?: string;
        port?: string;
        host?: string;
        pathname?: string;
        search?: string;
        query?: any;
        hash?: string;
        path?: string;
    }

    export function parse(urlStr: string, parseQueryString?: boolean , slashesDenoteHost?: boolean ): Url;
    export function format(url: UrlOptions): string;
    export function resolve(from: string, to: string): string;
}

declare module "dns" {
    export function lookup(domain: string, family: number, callback: (err: Error, address: string, family: number) =>void ): string;
    export function lookup(domain: string, callback: (err: Error, address: string, family: number) =>void ): string;
    export function resolve(domain: string, rrtype: string, callback: (err: Error, addresses: string[]) =>void ): string[];
    export function resolve(domain: string, callback: (err: Error, addresses: string[]) =>void ): string[];
    export function resolve4(domain: string, callback: (err: Error, addresses: string[]) =>void ): string[];
    export function resolve6(domain: string, callback: (err: Error, addresses: string[]) =>void ): string[];
    export function resolveMx(domain: string, callback: (err: Error, addresses: string[]) =>void ): string[];
    export function resolveTxt(domain: string, callback: (err: Error, addresses: string[]) =>void ): string[];
    export function resolveSrv(domain: string, callback: (err: Error, addresses: string[]) =>void ): string[];
    export function resolveNs(domain: string, callback: (err: Error, addresses: string[]) =>void ): string[];
    export function resolveCname(domain: string, callback: (err: Error, addresses: string[]) =>void ): string[];
    export function reverse(ip: string, callback: (err: Error, domains: string[]) =>void ): string[];
}

declare module "net" {
    import stream = require("stream");

    export interface Socket extends stream.Duplex {
        // Extended base methods
        write(buffer: Buffer): boolean;
        write(buffer: Buffer, cb?: Function): boolean;
        write(str: string, cb?: Function): boolean;
        write(str: string, encoding?: string, cb?: Function): boolean;
        write(str: string, encoding?: string, fd?: string): boolean;

        connect(port: number, host?: string, connectionListener?: Function): void;
        connect(path: string, connectionListener?: Function): void;
        bufferSize: number;
        setEncoding(encoding?: string): void;
        write(data: any, encoding?: string, callback?: Function): void;
        destroy(): void;
        pause(): void;
        resume(): void;
        setTimeout(timeout: number, callback?: Function): void;
        setNoDelay(noDelay?: boolean): void;
        setKeepAlive(enable?: boolean, initialDelay?: number): void;
        address(): { port: number; family: string; address: string; };
        unref(): void;
        ref(): void;

        remoteAddress: string;
        remoteFamily: string;
        remotePort: number;
        localAddress: string;
        localPort: number;
        bytesRead: number;
        bytesWritten: number;

        // Extended base methods
        end(): void;
        end(buffer: Buffer, cb?: Function): void;
        end(str: string, cb?: Function): void;
        end(str: string, encoding?: string, cb?: Function): void;
        end(data?: any, encoding?: string): void;
    }

    export var Socket: {
        new (options?: { fd?: string; type?: string; allowHalfOpen?: boolean; }): Socket;
    };

    export interface Server extends Socket {
        listen(port: number, host?: string, backlog?: number, listeningListener?: Function): Server;
        listen(path: string, listeningListener?: Function): Server;
        listen(handle: any, listeningListener?: Function): Server;
        close(callback?: Function): Server;
        address(): { port: number; family: string; address: string; };
        maxConnections: number;
        connections: number;
    }
    export function createServer(connectionListener?: (socket: Socket) =>void ): Server;
    export function createServer(options?: { allowHalfOpen?: boolean; }, connectionListener?: (socket: Socket) =>void ): Server;
    export function connect(options: { allowHalfOpen?: boolean; }, connectionListener?: Function): Socket;
    export function connect(port: number, host?: string, connectionListener?: Function): Socket;
    export function connect(path: string, connectionListener?: Function): Socket;
    export function createConnection(options: { allowHalfOpen?: boolean; }, connectionListener?: Function): Socket;
    export function createConnection(port: number, host?: string, connectionListener?: Function): Socket;
    export function createConnection(path: string, connectionListener?: Function): Socket;
    export function isIP(input: string): number;
    export function isIPv4(input: string): boolean;
    export function isIPv6(input: string): boolean;
}

declare module "dgram" {
    import events = require("events");

    interface RemoteInfo {
        address: string;
        port: number;
        size: number;
    }

    interface AddressInfo {
        address: string;
        family: string;
        port: number;
    }

    export function createSocket(type: string, callback?: (msg: Buffer, rinfo: RemoteInfo) => void): Socket;

    interface Socket extends events.EventEmitter {
        send(buf: Buffer, offset: number, length: number, port: number, address: string, callback?: (error: Error, bytes: number) => void): void;
        bind(port: number, address?: string, callback?: () => void): void;
        close(): void;
        address(): AddressInfo;
        setBroadcast(flag: boolean): void;
        setMulticastTTL(ttl: number): void;
        setMulticastLoopback(flag: boolean): void;
        addMembership(multicastAddress: string, multicastInterface?: string): void;
        dropMembership(multicastAddress: string, multicastInterface?: string): void;
    }
}

declare module "fs" {
    import stream = require("stream");
    import events = require("events");

    interface Stats {
        isFile(): boolean;
        isDirectory(): boolean;
        isBlockDevice(): boolean;
        isCharacterDevice(): boolean;
        isSymbolicLink(): boolean;
        isFIFO(): boolean;
        isSocket(): boolean;
        dev: number;
        ino: number;
        mode: number;
        nlink: number;
        uid: number;
        gid: number;
        rdev: number;
        size: number;
        blksize: number;
        blocks: number;
        atime: Date;
        mtime: Date;
        ctime: Date;
    }

    interface FSWatcher extends events.EventEmitter {
        close(): void;
    }

    export interface ReadStream extends stream.Readable {
        close(): void;
    }
    export interface WriteStream extends stream.Writable {
        close(): void;
    }

    /**
     * Asynchronous rename.
     * @param oldPath
     * @param newPath
     * @param callback No arguments other than a possible exception are given to the completion callback.
     */
    export function rename(oldPath: string, newPath: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    /**
     * Synchronous rename
     * @param oldPath
     * @param newPath
     */
    export function renameSync(oldPath: string, newPath: string): void;
    export function truncate(path: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function truncate(path: string, len: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function truncateSync(path: string, len?: number): void;
    export function ftruncate(fd: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function ftruncate(fd: number, len: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function ftruncateSync(fd: number, len?: number): void;
    export function chown(path: string, uid: number, gid: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function chownSync(path: string, uid: number, gid: number): void;
    export function fchown(fd: number, uid: number, gid: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function fchownSync(fd: number, uid: number, gid: number): void;
    export function lchown(path: string, uid: number, gid: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function lchownSync(path: string, uid: number, gid: number): void;
    export function chmod(path: string, mode: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function chmod(path: string, mode: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function chmodSync(path: string, mode: number): void;
    export function chmodSync(path: string, mode: string): void;
    export function fchmod(fd: number, mode: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function fchmod(fd: number, mode: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function fchmodSync(fd: number, mode: number): void;
    export function fchmodSync(fd: number, mode: string): void;
    export function lchmod(path: string, mode: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function lchmod(path: string, mode: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function lchmodSync(path: string, mode: number): void;
    export function lchmodSync(path: string, mode: string): void;
    export function stat(path: string, callback?: (err: NodeJS.ErrnoException, stats: Stats) => any): void;
    export function lstat(path: string, callback?: (err: NodeJS.ErrnoException, stats: Stats) => any): void;
    export function fstat(fd: number, callback?: (err: NodeJS.ErrnoException, stats: Stats) => any): void;
    export function statSync(path: string): Stats;
    export function lstatSync(path: string): Stats;
    export function fstatSync(fd: number): Stats;
    export function link(srcpath: string, dstpath: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function linkSync(srcpath: string, dstpath: string): void;
    export function symlink(srcpath: string, dstpath: string, type?: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function symlinkSync(srcpath: string, dstpath: string, type?: string): void;
    export function readlink(path: string, callback?: (err: NodeJS.ErrnoException, linkString: string) => any): void;
    export function readlinkSync(path: string): string;
    export function realpath(path: string, callback?: (err: NodeJS.ErrnoException, resolvedPath: string) => any): void;
    export function realpath(path: string, cache: {[path: string]: string}, callback: (err: NodeJS.ErrnoException, resolvedPath: string) =>any): void;
    export function realpathSync(path: string, cache?: { [path: string]: string }): string;
    /*
     * Asynchronous unlink - deletes the file specified in {path}
     *
     * @param path
     * @param callback No arguments other than a possible exception are given to the completion callback.
     */
    export function unlink(path: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    /*
     * Synchronous unlink - deletes the file specified in {path}
     *
     * @param path
     */
    export function unlinkSync(path: string): void;
    /*
     * Asynchronous rmdir - removes the directory specified in {path}
     *
     * @param path
     * @param callback No arguments other than a possible exception are given to the completion callback.
     */
    export function rmdir(path: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    /*
     * Synchronous rmdir - removes the directory specified in {path}
     *
     * @param path
     */
    export function rmdirSync(path: string): void;
    /*
     * Asynchronous mkdir - creates the directory specified in {path}.  Parameter {mode} defaults to 0777.
     *
     * @param path
     * @param callback No arguments other than a possible exception are given to the completion callback.
     */
    export function mkdir(path: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    /*
     * Asynchronous mkdir - creates the directory specified in {path}.  Parameter {mode} defaults to 0777.
     *
     * @param path
     * @param mode
     * @param callback No arguments other than a possible exception are given to the completion callback.
     */
    export function mkdir(path: string, mode: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    /*
     * Asynchronous mkdir - creates the directory specified in {path}.  Parameter {mode} defaults to 0777.
     *
     * @param path
     * @param mode
     * @param callback No arguments other than a possible exception are given to the completion callback.
     */
    export function mkdir(path: string, mode: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
    /*
     * Synchronous mkdir - creates the directory specified in {path}.  Parameter {mode} defaults to 0777.
     *
     * @param path
     * @param mode
     * @param callback No arguments other than a possible exception are given to the completion callback.
     */
    export function mkdirSync(path: string, mode?: number): void;
    /*
     * Synchronous mkdir - creates the directory specified in {path}.  Parameter {mode} defaults to 0777.
     *
     * @param path
     * @param mode
     * @param callback No arguments other than a possible exception are given to the completion callback.
     */
    export function mkdirSync(path: string, mode?: string): void;
    export function readdir(path: string, callback?: (err: NodeJS.ErrnoException, files: string[]) => void): void;
    export function readdirSync(path: string): string[];
    export function close(fd: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function closeSync(fd: number): void;
    export function open(path: string, flags: string, callback?: (err: NodeJS.ErrnoException, fd: number) => any): void;
    export function open(path: string, flags: string, mode: number, callback?: (err: NodeJS.ErrnoException, fd: number) => any): void;
    export function open(path: string, flags: string, mode: string, callback?: (err: NodeJS.ErrnoException, fd: number) => any): void;
    export function openSync(path: string, flags: string, mode?: number): number;
    export function openSync(path: string, flags: string, mode?: string): number;
    export function utimes(path: string, atime: number, mtime: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function utimes(path: string, atime: Date, mtime: Date, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function utimesSync(path: string, atime: number, mtime: number): void;
    export function utimesSync(path: string, atime: Date, mtime: Date): void;
    export function futimes(fd: number, atime: number, mtime: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function futimes(fd: number, atime: Date, mtime: Date, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function futimesSync(fd: number, atime: number, mtime: number): void;
    export function futimesSync(fd: number, atime: Date, mtime: Date): void;
    export function fsync(fd: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
    export function fsyncSync(fd: number): void;
    export function write(fd: number, buffer: Buffer, offset: number, length: number, position: number, callback?: (err: NodeJS.ErrnoException, written: number, buffer: Buffer) => void): void;
    export function writeSync(fd: number, buffer: Buffer, offset: number, length: number, position: number): number;
    export function read(fd: number, buffer: Buffer, offset: number, length: number, position: number, callback?: (err: NodeJS.ErrnoException, bytesRead: number, buffer: Buffer) => void): void;
    export function readSync(fd: number, buffer: Buffer, offset: number, length: number, position: number): number;
    /*
     * Asynchronous readFile - Asynchronously reads the entire contents of a file.
     *
     * @param fileName
     * @param encoding
     * @param callback - The callback is passed two arguments (err, data), where data is the contents of the file.
     */
    export function readFile(filename: string, encoding: string, callback: (err: NodeJS.ErrnoException, data: string) => void): void;
    /*
     * Asynchronous readFile - Asynchronously reads the entire contents of a file.
     *
     * @param fileName
     * @param options An object with optional {encoding} and {flag} properties.  If {encoding} is specified, readFile returns a string; otherwise it returns a Buffer.
     * @param callback - The callback is passed two arguments (err, data), where data is the contents of the file.
     */
    export function readFile(filename: string, options: { encoding: string; flag?: string; }, callback: (err: NodeJS.ErrnoException, data: string) => void): void;
    /*
     * Asynchronous readFile - Asynchronously reads the entire contents of a file.
     *
     * @param fileName
     * @param options An object with optional {encoding} and {flag} properties.  If {encoding} is specified, readFile returns a string; otherwise it returns a Buffer.
     * @param callback - The callback is passed two arguments (err, data), where data is the contents of the file.
     */
    export function readFile(filename: string, options: { flag?: string; }, callback: (err: NodeJS.ErrnoException, data: Buffer) => void): void;
    /*
     * Asynchronous readFile - Asynchronously reads the entire contents of a file.
     *
     * @param fileName
     * @param callback - The callback is passed two arguments (err, data), where data is the contents of the file.
     */
    export function readFile(filename: string, callback: (err: NodeJS.ErrnoException, data: Buffer) => void): void;
    /*
     * Synchronous readFile - Synchronously reads the entire contents of a file.
     *
     * @param fileName
     * @param encoding
     */
    export function readFileSync(filename: string, encoding: string): string;
    /*
     * Synchronous readFile - Synchronously reads the entire contents of a file.
     *
     * @param fileName
     * @param options An object with optional {encoding} and {flag} properties.  If {encoding} is specified, readFileSync returns a string; otherwise it returns a Buffer.
     */
    export function readFileSync(filename: string, options: { encoding: string; flag?: string; }): string;
    /*
     * Synchronous readFile - Synchronously reads the entire contents of a file.
     *
     * @param fileName
     * @param options An object with optional {encoding} and {flag} properties.  If {encoding} is specified, readFileSync returns a string; otherwise it returns a Buffer.
     */
    export function readFileSync(filename: string, options?: { flag?: string; }): Buffer;
    export function writeFile(filename: string, data: any, callback?: (err: NodeJS.ErrnoException) => void): void;
    export function writeFile(filename: string, data: any, options: { encoding?: string; mode?: number; flag?: string; }, callback?: (err: NodeJS.ErrnoException) => void): void;
    export function writeFile(filename: string, data: any, options: { encoding?: string; mode?: string; flag?: string; }, callback?: (err: NodeJS.ErrnoException) => void): void;
    export function writeFileSync(filename: string, data: any, options?: { encoding?: string; mode?: number; flag?: string; }): void;
    export function writeFileSync(filename: string, data: any, options?: { encoding?: string; mode?: string; flag?: string; }): void;
    export function appendFile(filename: string, data: any, options: { encoding?: string; mode?: number; flag?: string; }, callback?: (err: NodeJS.ErrnoException) => void): void;
    export function appendFile(filename: string, data: any, options: { encoding?: string; mode?: string; flag?: string; }, callback?: (err: NodeJS.ErrnoException) => void): void;
    export function appendFile(filename: string, data: any, callback?: (err: NodeJS.ErrnoException) => void): void;
    export function appendFileSync(filename: string, data: any, options?: { encoding?: string; mode?: number; flag?: string; }): void;
    export function appendFileSync(filename: string, data: any, options?: { encoding?: string; mode?: string; flag?: string; }): void;
    export function watchFile(filename: string, listener: (curr: Stats, prev: Stats) => void): void;
    export function watchFile(filename: string, options: { persistent?: boolean; interval?: number; }, listener: (curr: Stats, prev: Stats) => void): void;
    export function unwatchFile(filename: string, listener?: (curr: Stats, prev: Stats) => void): void;
    export function watch(filename: string, listener?: (event: string, filename: string) => any): FSWatcher;
    export function watch(filename: string, options: { persistent?: boolean; }, listener?: (event: string, filename: string) => any): FSWatcher;
    export function exists(path: string, callback?: (exists: boolean) => void): void;
    export function existsSync(path: string): boolean;
    export function createReadStream(path: string, options?: {
        flags?: string;
        encoding?: string;
        fd?: string;
        mode?: number;
        bufferSize?: number;
    }): ReadStream;
    export function createReadStream(path: string, options?: {
        flags?: string;
        encoding?: string;
        fd?: string;
        mode?: string;
        bufferSize?: number;
    }): ReadStream;
    export function createWriteStream(path: string, options?: {
        flags?: string;
        encoding?: string;
        string?: string;
    }): WriteStream;
}

declare module "path" {

    /**
     * A parsed path object generated by path.parse() or consumed by path.format().
     */
    export interface ParsedPath {
        /**
         * The root of the path such as '/' or 'c:\'
         */
        root: string;
        /**
         * The full directory path such as '/home/user/dir' or 'c:\path\dir'
         */
        dir: string;
        /**
         * The file name including extension (if any) such as 'index.html'
         */
        base: string;
        /**
         * The file extension (if any) such as '.html'
         */
        ext: string;
        /**
         * The file name without extension (if any) such as 'index'
         */
        name: string;
    }

    /**
     * Normalize a string path, reducing '..' and '.' parts.
     * When multiple slashes are found, they're replaced by a single one; when the path contains a trailing slash, it is preserved. On Windows backslashes are used.
     *
     * @param p string path to normalize.
     */
    export function normalize(p: string): string;
    /**
     * Join all arguments together and normalize the resulting path.
     * Arguments must be strings. In v0.8, non-string arguments were silently ignored. In v0.10 and up, an exception is thrown.
     *
     * @param paths string paths to join.
     */
    export function join(...paths: any[]): string;
    /**
     * Join all arguments together and normalize the resulting path.
     * Arguments must be strings. In v0.8, non-string arguments were silently ignored. In v0.10 and up, an exception is thrown.
     *
     * @param paths string paths to join.
     */
    export function join(...paths: string[]): string;
    /**
     * The right-most parameter is considered {to}.  Other parameters are considered an array of {from}.
     *
     * Starting from leftmost {from} paramter, resolves {to} to an absolute path.
     *
     * If {to} isn't already absolute, {from} arguments are prepended in right to left order, until an absolute path is found. If after using all {from} paths still no absolute path is found, the current working directory is used as well. The resulting path is normalized, and trailing slashes are removed unless the path gets resolved to the root directory.
     *
     * @param pathSegments string paths to join.  Non-string arguments are ignored.
     */
    export function resolve(...pathSegments: any[]): string;
    /**
     * Determines whether {path} is an absolute path. An absolute path will always resolve to the same location, regardless of the working directory.
     *
     * @param path path to test.
     */
    export function isAbsolute(path: string): boolean;
    /**
     * Solve the relative path from {from} to {to}.
     * At times we have two absolute paths, and we need to derive the relative path from one to the other. This is actually the reverse transform of path.resolve.
     *
     * @param from
     * @param to
     */
    export function relative(from: string, to: string): string;
    /**
     * Return the directory name of a path. Similar to the Unix dirname command.
     *
     * @param p the path to evaluate.
     */
    export function dirname(p: string): string;
    /**
     * Return the last portion of a path. Similar to the Unix basename command.
     * Often used to extract the file name from a fully qualified path.
     *
     * @param p the path to evaluate.
     * @param ext optionally, an extension to remove from the result.
     */
    export function basename(p: string, ext?: string): string;
    /**
     * Return the extension of the path, from the last '.' to end of string in the last portion of the path.
     * If there is no '.' in the last portion of the path or the first character of it is '.', then it returns an empty string
     *
     * @param p the path to evaluate.
     */
    export function extname(p: string): string;
    /**
     * The platform-specific file separator. '\\' or '/'.
     */
    export var sep: string;
    /**
     * The platform-specific file delimiter. ';' or ':'.
     */
    export var delimiter: string;
    /**
     * Returns an object from a path string - the opposite of format().
     *
     * @param pathString path to evaluate.
     */
    export function parse(pathString: string): ParsedPath;
    /**
     * Returns a path string from an object - the opposite of parse().
     *
     * @param pathString path to evaluate.
     */
    export function format(pathObject: ParsedPath): string;

    export module posix {
      export function normalize(p: string): string;
      export function join(...paths: any[]): string;
      export function resolve(...pathSegments: any[]): string;
      export function isAbsolute(p: string): boolean;
      export function relative(from: string, to: string): string;
      export function dirname(p: string): string;
      export function basename(p: string, ext?: string): string;
      export function extname(p: string): string;
      export var sep: string;
      export var delimiter: string;
      export function parse(p: string): ParsedPath;
      export function format(pP: ParsedPath): string;
    }

    export module win32 {
      export function normalize(p: string): string;
      export function join(...paths: any[]): string;
      export function resolve(...pathSegments: any[]): string;
      export function isAbsolute(p: string): boolean;
      export function relative(from: string, to: string): string;
      export function dirname(p: string): string;
      export function basename(p: string, ext?: string): string;
      export function extname(p: string): string;
      export var sep: string;
      export var delimiter: string;
      export function parse(p: string): ParsedPath;
      export function format(pP: ParsedPath): string;
    }
}

declare module "string_decoder" {
    export interface NodeStringDecoder {
        write(buffer: Buffer): string;
        detectIncompleteChar(buffer: Buffer): number;
    }
    export var StringDecoder: {
        new (encoding: string): NodeStringDecoder;
    };
}

declare module "tls" {
    import crypto = require("crypto");
    import net = require("net");
    import stream = require("stream");

    var CLIENT_RENEG_LIMIT: number;
    var CLIENT_RENEG_WINDOW: number;

    export interface TlsOptions {
        pfx?: any;   //string or buffer
        key?: any;   //string or buffer
        passphrase?: string;
        cert?: any;
        ca?: any;    //string or buffer
        crl?: any;   //string or string array
        ciphers?: string;
        honorCipherOrder?: any;
        requestCert?: boolean;
        rejectUnauthorized?: boolean;
        NPNProtocols?: any;  //array or Buffer;
        SNICallback?: (servername: string) => any;
    }

    export interface ConnectionOptions {
        host?: string;
        port?: number;
        socket?: net.Socket;
        pfx?: any;   //string | Buffer
        key?: any;   //string | Buffer
        passphrase?: string;
        cert?: any;  //string | Buffer
        ca?: any;    //Array of string | Buffer
        rejectUnauthorized?: boolean;
        NPNProtocols?: any;  //Array of string | Buffer
        servername?: string;
    }

    export interface Server extends net.Server {
        // Extended base methods
        listen(port: number, host?: string, backlog?: number, listeningListener?: Function): Server;
        listen(path: string, listeningListener?: Function): Server;
        listen(handle: any, listeningListener?: Function): Server;

        listen(port: number, host?: string, callback?: Function): Server;
        close(): Server;
        address(): { port: number; family: string; address: string; };
        addContext(hostName: string, credentials: {
            key: string;
            cert: string;
            ca: string;
        }): void;
        maxConnections: number;
        connections: number;
    }

    export interface ClearTextStream extends stream.Duplex {
        authorized: boolean;
        authorizationError: Error;
        getPeerCertificate(): any;
        getCipher: {
            name: string;
            version: string;
        };
        address: {
            port: number;
            family: string;
            address: string;
        };
        remoteAddress: string;
        remotePort: number;
    }

    export interface SecurePair {
        encrypted: any;
        cleartext: any;
    }

    export interface SecureContextOptions {
        pfx?: any;   //string | buffer
        key?: any;   //string | buffer
        passphrase?: string;
        cert?: any;  // string | buffer
        ca?: any;    // string | buffer
        crl?: any;   // string | string[]
        ciphers?: string;
        honorCipherOrder?: boolean;
    }

    export interface SecureContext {
        context: any;
    }

    export function createServer(options: TlsOptions, secureConnectionListener?: (cleartextStream: ClearTextStream) =>void ): Server;
    export function connect(options: TlsOptions, secureConnectionListener?: () =>void ): ClearTextStream;
    export function connect(port: number, host?: string, options?: ConnectionOptions, secureConnectListener?: () =>void ): ClearTextStream;
    export function connect(port: number, options?: ConnectionOptions, secureConnectListener?: () =>void ): ClearTextStream;
    export function createSecurePair(credentials?: crypto.Credentials, isServer?: boolean, requestCert?: boolean, rejectUnauthorized?: boolean): SecurePair;
    export function createSecureContext(details: SecureContextOptions): SecureContext;
}

declare module "crypto" {
    export interface CredentialDetails {
        pfx: string;
        key: string;
        passphrase: string;
        cert: string;
        ca: any;    //string | string array
        crl: any;   //string | string array
        ciphers: string;
    }
    export interface Credentials { context?: any; }
    export function createCredentials(details: CredentialDetails): Credentials;
    export function createHash(algorithm: string): Hash;
    export function createHmac(algorithm: string, key: string): Hmac;
    export function createHmac(algorithm: string, key: Buffer): Hmac;
    interface Hash {
        update(data: any, input_encoding?: string): Hash;
        digest(encoding: 'buffer'): Buffer;
        digest(encoding: string): any;
        digest(): Buffer;
    }
    interface Hmac {
        update(data: any, input_encoding?: string): Hmac;
        digest(encoding: 'buffer'): Buffer;
        digest(encoding: string): any;
        digest(): Buffer;
    }
    export function createCipher(algorithm: string, password: any): Cipher;
    export function createCipheriv(algorithm: string, key: any, iv: any): Cipher;
    interface Cipher {
        update(data: Buffer): Buffer;
        update(data: string, input_encoding?: string, output_encoding?: string): string;
        final(): Buffer;
        final(output_encoding: string): string;
        setAutoPadding(auto_padding: boolean): void;
    }
    export function createDecipher(algorithm: string, password: any): Decipher;
    export function createDecipheriv(algorithm: string, key: any, iv: any): Decipher;
    interface Decipher {
        update(data: Buffer): Buffer;
        update(data: string, input_encoding?: string, output_encoding?: string): string;
        final(): Buffer;
        final(output_encoding: string): string;
        setAutoPadding(auto_padding: boolean): void;
    }
    export function createSign(algorithm: string): Signer;
    interface Signer {
        update(data: any): void;
        sign(private_key: string, output_format: string): string;
    }
    export function createVerify(algorith: string): Verify;
    interface Verify {
        update(data: any): void;
        verify(object: string, signature: string, signature_format?: string): boolean;
    }
    export function createDiffieHellman(prime_length: number): DiffieHellman;
    export function createDiffieHellman(prime: number, encoding?: string): DiffieHellman;
    interface DiffieHellman {
        generateKeys(encoding?: string): string;
        computeSecret(other_public_key: string, input_encoding?: string, output_encoding?: string): string;
        getPrime(encoding?: string): string;
        getGenerator(encoding: string): string;
        getPublicKey(encoding?: string): string;
        getPrivateKey(encoding?: string): string;
        setPublicKey(public_key: string, encoding?: string): void;
        setPrivateKey(public_key: string, encoding?: string): void;
    }
    export function getDiffieHellman(group_name: string): DiffieHellman;
    export function pbkdf2(password: string, salt: string, iterations: number, keylen: number, callback: (err: Error, derivedKey: Buffer) => any): void;
    export function pbkdf2Sync(password: string, salt: string, iterations: number, keylen: number) : Buffer;
    export function randomBytes(size: number): Buffer;
    export function randomBytes(size: number, callback: (err: Error, buf: Buffer) =>void ): void;
    export function pseudoRandomBytes(size: number): Buffer;
    export function pseudoRandomBytes(size: number, callback: (err: Error, buf: Buffer) =>void ): void;
}

declare module "stream" {
    import events = require("events");

    export interface Stream extends events.EventEmitter {
        pipe<T extends NodeJS.WritableStream>(destination: T, options?: { end?: boolean; }): T;
    }

    export interface ReadableOptions {
        highWaterMark?: number;
        encoding?: string;
        objectMode?: boolean;
    }

    export class Readable extends events.EventEmitter implements NodeJS.ReadableStream {
        readable: boolean;
        constructor(opts?: ReadableOptions);
        _read(size: number): void;
        read(size?: number): string|Buffer;
        setEncoding(encoding: string): void;
        pause(): void;
        resume(): void;
        pipe<T extends NodeJS.WritableStream>(destination: T, options?: { end?: boolean; }): T;
        unpipe<T extends NodeJS.WritableStream>(destination?: T): void;
        unshift(chunk: string): void;
        unshift(chunk: Buffer): void;
        wrap(oldStream: NodeJS.ReadableStream): NodeJS.ReadableStream;
        push(chunk: any, encoding?: string): boolean;
    }

    export interface WritableOptions {
        highWaterMark?: number;
        decodeStrings?: boolean;
    }

    export class Writable extends events.EventEmitter implements NodeJS.WritableStream {
        writable: boolean;
        constructor(opts?: WritableOptions);
        _write(data: Buffer, encoding: string, callback: Function): void;
        _write(data: string, encoding: string, callback: Function): void;
        write(buffer: Buffer, cb?: Function): boolean;
        write(str: string, cb?: Function): boolean;
        write(str: string, encoding?: string, cb?: Function): boolean;
        end(): void;
        end(buffer: Buffer, cb?: Function): void;
        end(str: string, cb?: Function): void;
        end(str: string, encoding?: string, cb?: Function): void;
    }

    export interface DuplexOptions extends ReadableOptions, WritableOptions {
        allowHalfOpen?: boolean;
    }

    // Note: Duplex extends both Readable and Writable.
    export class Duplex extends Readable implements NodeJS.ReadWriteStream {
        writable: boolean;
        constructor(opts?: DuplexOptions);
        _write(data: Buffer, encoding: string, callback: Function): void;
        _write(data: string, encoding: string, callback: Function): void;
        write(buffer: Buffer, cb?: Function): boolean;
        write(str: string, cb?: Function): boolean;
        write(str: string, encoding?: string, cb?: Function): boolean;
        end(): void;
        end(buffer: Buffer, cb?: Function): void;
        end(str: string, cb?: Function): void;
        end(str: string, encoding?: string, cb?: Function): void;
    }

    export interface TransformOptions extends ReadableOptions, WritableOptions {}

    // Note: Transform lacks the _read and _write methods of Readable/Writable.
    export class Transform extends events.EventEmitter implements NodeJS.ReadWriteStream {
        readable: boolean;
        writable: boolean;
        constructor(opts?: TransformOptions);
        _transform(chunk: Buffer, encoding: string, callback: Function): void;
        _transform(chunk: string, encoding: string, callback: Function): void;
        _flush(callback: Function): void;
        read(size?: number): any;
        setEncoding(encoding: string): void;
        pause(): void;
        resume(): void;
        pipe<T extends NodeJS.WritableStream>(destination: T, options?: { end?: boolean; }): T;
        unpipe<T extends NodeJS.WritableStream>(destination?: T): void;
        unshift(chunk: string): void;
        unshift(chunk: Buffer): void;
        wrap(oldStream: NodeJS.ReadableStream): NodeJS.ReadableStream;
        push(chunk: any, encoding?: string): boolean;
        write(buffer: Buffer, cb?: Function): boolean;
        write(str: string, cb?: Function): boolean;
        write(str: string, encoding?: string, cb?: Function): boolean;
        end(): void;
        end(buffer: Buffer, cb?: Function): void;
        end(str: string, cb?: Function): void;
        end(str: string, encoding?: string, cb?: Function): void;
    }

    export class PassThrough extends Transform {}
}

declare module "util" {
    export interface InspectOptions {
        showHidden?: boolean;
        depth?: number;
        colors?: boolean;
        customInspect?: boolean;
    }

    export function format(format: any, ...param: any[]): string;
    export function debug(string: string): void;
    export function error(...param: any[]): void;
    export function puts(...param: any[]): void;
    export function print(...param: any[]): void;
    export function log(string: string): void;
    export function inspect(object: any, showHidden?: boolean, depth?: number, color?: boolean): string;
    export function inspect(object: any, options: InspectOptions): string;
    export function isArray(object: any): boolean;
    export function isRegExp(object: any): boolean;
    export function isDate(object: any): boolean;
    export function isError(object: any): boolean;
    export function inherits(constructor: any, superConstructor: any): void;
}

declare module "assert" {
    function internal (value: any, message?: string): void;
    module internal {
        export class AssertionError implements Error {
            name: string;
            message: string;
            actual: any;
            expected: any;
            operator: string;
            generatedMessage: boolean;

            constructor(options?: {message?: string; actual?: any; expected?: any;
                                  operator?: string; stackStartFunction?: Function});
        }

        export function fail(actual?: any, expected?: any, message?: string, operator?: string): void;
        export function ok(value: any, message?: string): void;
        export function equal(actual: any, expected: any, message?: string): void;
        export function notEqual(actual: any, expected: any, message?: string): void;
        export function deepEqual(actual: any, expected: any, message?: string): void;
        export function notDeepEqual(acutal: any, expected: any, message?: string): void;
        export function strictEqual(actual: any, expected: any, message?: string): void;
        export function notStrictEqual(actual: any, expected: any, message?: string): void;
        export var throws: {
            (block: Function, message?: string): void;
            (block: Function, error: Function, message?: string): void;
            (block: Function, error: RegExp, message?: string): void;
            (block: Function, error: (err: any) => boolean, message?: string): void;
        };

        export var doesNotThrow: {
            (block: Function, message?: string): void;
            (block: Function, error: Function, message?: string): void;
            (block: Function, error: RegExp, message?: string): void;
            (block: Function, error: (err: any) => boolean, message?: string): void;
        };

        export function ifError(value: any): void;
    }

    export = internal;
}

declare module "tty" {
    import net = require("net");

    export function isatty(fd: number): boolean;
    export interface ReadStream extends net.Socket {
        isRaw: boolean;
        setRawMode(mode: boolean): void;
    }
    export interface WriteStream extends net.Socket {
        columns: number;
        rows: number;
    }
}

declare module "domain" {
    import events = require("events");

    export class Domain extends events.EventEmitter {
        run(fn: Function): void;
        add(emitter: events.EventEmitter): void;
        remove(emitter: events.EventEmitter): void;
        bind(cb: (err: Error, data: any) => any): any;
        intercept(cb: (data: any) => any): any;
        dispose(): void;

        addListener(event: string, listener: Function): Domain;
        on(event: string, listener: Function): Domain;
        once(event: string, listener: Function): Domain;
        removeListener(event: string, listener: Function): Domain;
        removeAllListeners(event?: string): Domain;
    }

    export function create(): Domain;
}