diff --git a/node/node-0.11-tests.ts b/node/node-0.11-tests.ts
new file mode 100644
index 0000000000..e9ef58dbbd
--- /dev/null
+++ b/node/node-0.11-tests.ts
@@ -0,0 +1,125 @@
+/// <reference path="node.d.ts" />
+
+import assert = require("assert");
+import fs = require("fs");
+import events = require("events");
+import zlib = require("zlib");
+import url = require('url');
+import util = require("util");
+import crypto = require("crypto");
+import http = require("http");
+import net = require("net");
+import dgram = require("dgram");
+
+assert(1 + 1 - 2 === 0, "The universe isn't how it should.");
+
+assert.deepEqual({ x: { y: 3 } }, { x: { y: 3 } }, "DEEP WENT DERP");
+
+assert.equal(3, "3", "uses == comparator");
+
+assert.notStrictEqual(2, "2", "uses === comparator");
+
+assert.throws(() => { throw "a hammer at your face"; }, undefined, "DODGED IT");
+
+assert.doesNotThrow(() => {
+    if (false) { throw "a hammer at your face"; }
+}, undefined, "What the...*crunch*");
+
+////////////////////////////////////////////////////
+/// File system tests : http://nodejs.org/api/fs.html
+////////////////////////////////////////////////////
+fs.writeFile("thebible.txt",
+    "Do unto others as you would have them do unto you.",
+    assert.ifError);
+
+fs.writeFile("Harry Potter",
+    "\"You be wizzing, Harry,\" jived Dumbledore.",
+    {
+        encoding: "ascii"
+    },
+    assert.ifError);
+
+var content: string,
+    buffer: Buffer;
+
+content = fs.readFileSync('testfile', 'utf8');
+content = fs.readFileSync('testfile', {encoding : 'utf8'});
+buffer = fs.readFileSync('testfile');
+buffer = fs.readFileSync('testfile', {flag : 'r'});
+fs.readFile('testfile', 'utf8', (err, data) => content = data);
+fs.readFile('testfile', {encoding : 'utf8'}, (err, data) => content = data);
+fs.readFile('testfile', (err, data) => buffer = data);
+fs.readFile('testfile', {flag : 'r'}, (err, data) => buffer = data);
+
+class Networker extends events.EventEmitter {
+    constructor() {
+        super();
+
+        this.emit("mingling");
+    }
+}
+
+url.format(url.parse('http://www.example.com/xyz'));
+
+// https://google.com/search?q=you're%20a%20lizard%2C%20gary
+url.format({
+    protocol: 'https', 
+    host: "google.com", 
+    pathname: 'search', 
+    query: { q: "you're a lizard, gary" }
+});
+
+// Old and new util.inspect APIs
+util.inspect(["This is nice"], false, 5);
+util.inspect(["This is nice"], { colors: true, depth: 5, customInspect: false });
+
+////////////////////////////////////////////////////
+/// Stream tests : http://nodejs.org/api/stream.html
+////////////////////////////////////////////////////
+
+// http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options
+function stream_readable_pipe_test() {
+    var r = fs.createReadStream('file.txt');
+    var z = zlib.createGzip();
+    var w = fs.createWriteStream('file.txt.gz');
+    r.pipe(z).pipe(w);
+}
+
+////////////////////////////////////////////////////
+/// Crypto tests : http://nodejs.org/api/crypto.html
+////////////////////////////////////////////////////
+
+var hmacResult: string = crypto.createHmac('md5', 'hello').update('world').digest('hex');
+
+////////////////////////////////////////////////////
+
+// Make sure .listen() and .close() retuern a Server instance
+http.createServer().listen(0).close().address();
+net.createServer().listen(0).close().address();
+
+var request = http.request('http://0.0.0.0');
+request.once('error', function () {});
+request.setNoDelay(true);
+request.abort();
+
+////////////////////////////////////////////////////
+/// Http tests : http://nodejs.org/api/http.html
+////////////////////////////////////////////////////
+module http_tests {
+    // Status codes
+    var code = 100;
+    var codeMessage = http.STATUS_CODES['400'];
+    var codeMessage = http.STATUS_CODES[400];
+}
+
+////////////////////////////////////////////////////
+/// Dgram tests : http://nodejs.org/api/dgram.html
+////////////////////////////////////////////////////
+
+var ds: dgram.Socket = dgram.createSocket("udp4", (msg: Buffer, rinfo: dgram.RemoteInfo): void => {
+});
+var ai: dgram.AddressInfo = ds.address();
+ds.send(new Buffer("hello"), 0, 5, 5000, "127.0.0.1", (error: Error, bytes: number): void => {
+});
+
+
diff --git a/node/node-0.11.d.ts b/node/node-0.11.d.ts
new file mode 100644
index 0000000000..2da9c47c62
--- /dev/null
+++ b/node/node-0.11.d.ts
@@ -0,0 +1,1334 @@
+// Type definitions for Node.js v0.11.13
+// 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 v0.11.13 API            *
+*                                               *
+************************************************/
+
+/************************************************
+*                                               *
+*                   GLOBAL                      *
+*                                               *
+************************************************/
+declare var process: NodeJS.Process;
+declare var global: any;
+
+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 {}
+declare var Buffer: {
+    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;
+};
+
+/************************************************
+*                                               *
+*               GLOBAL INTERFACES               *
+*                                               *
+************************************************/
+declare module NodeJS {
+    export interface ErrnoException extends Error {
+        errno?: any;
+        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): any;
+        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 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(): any;
+    export function unescape(): any;
+}
+
+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(path: string, callback?: Function): Server;
+        listen(handle: any, listeningListener?: Function): Server;
+        close(cb?: any): Server;
+        address(): { port: number; family: string; address: string; };
+        maxHeadersCount: number;
+    }
+    export interface ServerRequest extends events.EventEmitter, stream.Readable {
+        method: string;
+        url: string;
+        headers: any;
+        trailers: string;
+        httpVersion: string;
+        setEncoding(encoding?: string): void;
+        pause(): void;
+        resume(): void;
+        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 ClientResponse extends events.EventEmitter, stream.Readable {
+        statusCode: number;
+        httpVersion: string;
+        headers: any;
+        trailers: any;
+        setEncoding(encoding?: string): void;
+        pause(): void;
+        resume(): void;
+    }
+    export interface Agent { maxSockets: number; sockets: any; requests: any; }
+
+    export var STATUS_CODES: {
+        [errorCode: number]: string;
+        [errorCode: string]: string;
+    };
+    export function createServer(requestListener?: (request: ServerRequest, response: ServerResponse) =>void ): Server;
+    export function createClient(port?: number, host?: string): any;
+    export function request(options: any, callback?: Function): ClientRequest;
+    export function get(options: any, callback?: Function): 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: events.EventEmitter) =>void ): http.ClientRequest;
+    export function get(options: RequestOptions, callback?: (res: events.EventEmitter) =>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, 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;
+}
+
+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; };
+        remoteAddress: string;
+        remotePort: 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 {}
+    export interface WriteStream extends stream.Writable {}
+
+    export function rename(oldPath: string, newPath: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
+    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;
+    export function unlink(path: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
+    export function unlinkSync(path: string): void;
+    export function rmdir(path: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
+    export function rmdirSync(path: string): void;
+    export function mkdir(path: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
+    export function mkdir(path: string, mode: number, callback?: (err?: NodeJS.ErrnoException) => void): void;
+    export function mkdir(path: string, mode: string, callback?: (err?: NodeJS.ErrnoException) => void): void;
+    export function mkdirSync(path: string, mode?: number): void;
+    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;
+    export function readFile(filename: string, encoding: string, callback: (err: NodeJS.ErrnoException, data: string) => void): void;
+    export function readFile(filename: string, options: { encoding: string; flag?: string; }, callback: (err: NodeJS.ErrnoException, data: string) => void): void;
+    export function readFile(filename: string, options: { flag?: string; }, callback: (err: NodeJS.ErrnoException, data: Buffer) => void): void;
+    export function readFile(filename: string, callback: (err: NodeJS.ErrnoException, data: Buffer) => void ): void;
+    export function readFileSync(filename: string, encoding: string): string;
+    export function readFileSync(filename: string, options: { encoding: string; flag?: string; }): string;
+    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" {
+    export function normalize(p: string): string;
+    export function join(...paths: any[]): string;
+    export function resolve(...pathSegments: any[]): string;
+    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;
+}
+
+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 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;
+}
+
+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: any, input_encoding?: string, output_encoding?: string): string;
+        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: any, input_encoding?: string, output_encoding?: string): void;
+        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): 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;
+    }
+
+    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 deprecate(fn: Function, msg: string): Function;
+    export function debuglog(set: string): Function;
+    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 isBoolean(arg: any): boolean;
+    export function isNull(arg: any): boolean;
+    export function isNullOrUndefined(arg: any): boolean;
+    export function isNumber(arg: any): boolean;
+    export function isString(arg: any): boolean;
+    export function isSymbol(arg: any): boolean;
+    export function isUndefined(arg: any): boolean;
+    export function isRegExp(arg: any): boolean;
+    export function isObject(arg: any): boolean;
+    export function isDate(arg: any): boolean;
+    export function isError(arg: any): boolean;
+    export function isFunction(arg: any): boolean;
+    export function isPrimitive(arg: any): boolean;
+    export function isBuffer(arg: any): boolean;
+    export function log(...arg: any[]): void
+    export function inherits(constructor: any, superConstructor: any): void;
+    export function p(...arg: any[]): void;
+    export function exec(...arg: any[]): void;
+    export function print(...arg: any[]): void;
+    export function puts(...arg: any[]): void;
+    export function debug(string: string): void;
+    export function error(...arg: 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;
+}