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kotlinlang

Some follow-up questions about the Migration from `Ktor 2.2.x` to `Ktor 3.x`

When it comes to Principal Interface. It says it can be safely removed... But I'm not 100% sure of what that should be replaced with?
&gt; ```@Deprecated("This interface can be safely removed")
&gt; public interface Principal```
For example, we were previously doing:
```call.principal&lt;Principal&gt;().doSomethinghere(UsernameType.SUBJECT_AND_ISSUER)```


Just replace it with your own interface or class. Ktor itself does not need the marker interface anymore. 

And I suppose that's the same for ?
```@Deprecated("This interface can be safely removed")
public interface Credential```

This is awesome. I have just created a simple interface to replace them.