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Is there a way to build a boxed `UInt` in Java, that can be passed to Kotlin code expecting a `List&lt;Uint&gt;&gt;`?

`UInt` is implemented as an inline class and therefore the Kotlin function that takes `List&lt;UInt&gt;` gets <https://kotlinlang.org/docs/inline-classes.html#mangling|mangled>. You can work around this by specifying <https://kotlinlang.org/docs/inline-classes.html#calling-from-java-code|@JvmName>.

I was using the ULong for validation - found a YouTrack from Roman Elizarov saying that was bad, m'kay, so I switched to just validating it.

Shame, I much prefer type based validation. He doesn't explain why he's anti it.

Maybe because it is not very Java like?
But shouldn’t <https://github.com/Kotlin/KEEP/blob/jvm-expose-boxed/proposals/jvm-expose-boxed.md|https://github.com/Kotlin/KEEP/blob/jvm-expose-boxed/proposals/jvm-expose-boxed.md> help you with a custom value class?

In my case it's actually Groovy rather than Java, and the only reason is that we're using Spock for testing, it's not a library expected to be consumed from Java.

<https://kotlinlang.org/docs/whatsnew22.html#improved-java-interop-with-inline-value-classes>