diff --git a/express-validator/express-validator-tests.ts b/express-validator/express-validator-tests.ts
new file mode 100644
index 0000000000..8d1362edf8
--- /dev/null
+++ b/express-validator/express-validator-tests.ts
@@ -0,0 +1,40 @@
+/// <reference path="./express-validator.d.ts"/>
+
+/* Usage Example from https://github.com/ctavan/express-validator */
+
+import util = require('util')
+import express = require('express')
+import expressValidator = require('express-validator')
+var app = express()
+
+app.use(expressValidator());
+
+app.post('/:urlparam', function(req: expressValidator.ValidatedRequest, res) {
+
+  // checkBody only checks req.body; none of the other req parameters
+  // Similarly checkParams only checks in req.params (URL params) and
+  // checkQuery only checks req.query (GET params).
+  req.checkBody('postparam', 'Invalid postparam').notEmpty().isInt();
+  req.checkParams('urlparam', 'Invalid urlparam').isAlpha();
+  req.checkQuery('getparam', 'Invalid getparam').isInt();
+
+  // OR assert can be used to check on all 3 types of params.
+  // req.assert('postparam', 'Invalid postparam').notEmpty().isInt();
+  // req.assert('urlparam', 'Invalid urlparam').isAlpha();
+  // req.assert('getparam', 'Invalid getparam').isInt();
+
+  req.sanitize('postparam').toBoolean();
+
+  var errors = req.validationErrors();
+  if (errors) {
+    res.send('There have been validation errors: ' + util.inspect(errors), 400);
+    return;
+  }
+  res.json({
+    urlparam: req.param('urlparam'),
+    getparam: req.param('getparam'),
+    postparam: req.param('postparam')
+  });
+});
+
+app.listen(8888);
diff --git a/express-validator/express-validator.d.ts b/express-validator/express-validator.d.ts
index 5a5df2fa0d..c2e5aa348f 100644
--- a/express-validator/express-validator.d.ts
+++ b/express-validator/express-validator.d.ts
@@ -1,11 +1,10 @@
-// Type definitions for express-validator
+// Type definitions for express-validator 2.9.0
 // Project: https://github.com/ctavan/express-validator
 // Definitions by: Nathan Ridley <https://github.com/axefrog/>, Jonathan Häberle <http://dreampulse.de>
 // Definitions: https://github.com/borisyankov/DefinitelyTyped
 
 /// <reference path="../express/express.d.ts" />
 
-
 declare module "express-validator" {
   import express = require('express');
 
@@ -16,14 +15,32 @@ declare module "express-validator" {
       param: string;
     }
 
+    interface ValidatorFunction { (item: string, message: string): Validator; }
+    interface SanatizerFunction { (item: string): Sanitizer; }
+    interface Dictionary<T> { [key: string]: T; }
+
     export interface RequestValidation {
-      check(field:string, message:string): Validator;
-      assert(field:string, message:string): Validator;
-      sanitize(field:string): Sanitizer;
-      onValidationError(func:(msg:string) => void): void;
-      validationErrors() : any;
+      assert: ValidatorFunction;
+      check: ValidatorFunction;
+      checkBody: ValidatorFunction;
+      checkFiles: ValidatorFunction;
+      checkHeader: ValidatorFunction;
+      checkParams: ValidatorFunction;
+      checkQuery: ValidatorFunction;
+      validate: ValidatorFunction;
+
+      filter: SanatizerFunction;
+      sanitize: SanatizerFunction;
+
+      onValidationError(errback: (msg: string) => void): void;
+      validationErrors(mapped?: boolean): Dictionary<any> | any[];
     }
 
+    /**
+     * Interface for use when using express-validator as middleware for requests
+     */
+    export interface ValidatedRequest extends express.Request, RequestValidation {}
+
     export interface Validator {
       /**
        * Alias for regex()
@@ -168,6 +185,5 @@ declare module "express-validator" {
    */
   function ExpressValidator(middlewareOptions?:any):express.RequestHandler;
 
-
   export = ExpressValidator;
 }