If you like the idea of creating a new class from whatever other classes you have lying around, you have two ways of doing in TypeScript ... and both are type safe (within limits).

Create New Classes from Server Explorer You can get Visual Studio to create classes for managing (or, at least, observing) computer resources for you. In Server Explorer, under the Management Classes ...

Here is the magic spell you need: Create a Class Library project in your solution in the supported language of your choice. I like C#, but Visual Basic .NET also works.