What happens when SemaphoreSlim.Wait(Int32) times out

Multiple times the documentation states:

> If a thread or task is blocked when calling Wait(Int32) and the timeout interval specified by millisecondsTimeout expires:
>
> - The thread or task doesn't enter the semaphore.
> - The CurrentCount property isn't decremented.

It tells us what won't happen to the thread, but it doesn't tell us what _will_ happen to the thread. Does it just block forever? Does it terminate? Does it throw an exception?

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* ID: 87434137-295a-3efb-aa58-2a8186142f15
* Version Independent ID: 007f95cb-7691-1634-521a-1369a69f3a70
* Content: [SemaphoreSlim.Wait Method (System.Threading)](https://docs.microsoft.com/en-us/dotnet/api/system.threading.semaphoreslim.wait?view=netframework-4.7.2)
* Content Source: [xml/System.Threading/SemaphoreSlim.xml](https://github.com/dotnet/dotnet-api-docs/blob/master/xml/System.Threading/SemaphoreSlim.xml)
* Product: **dotnet-api**
* GitHub Login: @dotnet-bot
* Microsoft Alias: **dotnetcontent**