Visual Studio 2015中没有适用于AngularJS TypeScript的IntelliSense

I'm building an app using ASP.NET 5 & AngularJS in TypeScript in Visual Studio 2015. However, even after installing the AngularJS Core & DefinitelyTyped TS references for AngularJS via NuGet, I still don't get IntelliSense for the AngularJS libraries.I'm building an app using ASP.NET 5 & AngularJS