Added typings for "heapdump". (#20716)

* Added typings for "require-dir".

* Fixed dtslint errors.

* Fixed By field.

* Added typings for "restify-cookies".

* Added "cookies" field to Request interface.

* Added typings for "heapdump".

types/heapdump/heapdump-tests.ts

@@ -0,0 +1,9 @@
+import * as heapdump from 'heapdump';
+
+heapdump.writeSnapshot('/tmp/myDump', (err) => {
+  if (err) {
+    console.log('Failed to dump heap: ' + err);
+  } else {
+    console.log('Successfully dumped heap!');
+  }
+});

types/heapdump/index.d.ts

@@ -0,0 +1,6 @@
+// Type definitions for heapdump 0.3
+// Project: https://github.com/bnoordhuis/node-heapdump
+// Definitions by: weekens <https://github.com/weekens>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export function writeSnapshot(dumpFileName: string, callback: (err?: Error) => void): void;

types/heapdump/tsconfig.json

@@ -0,0 +1,25 @@
+{
+    "compilerOptions": {
+        "target": "es6",
+        "module": "commonjs",
+        "lib": [
+            "es6",
+            "dom"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "heapdump-tests.ts"
+    ]
+}

types/heapdump/tslint.json

@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }