As you can see in the linked issue already, this w...

# announcements

[diesieben07]

As you can see in the linked issue already, this would require another 22 interfaces, aka. FunctionThatReturnsVoid1<T>, etc. I personally don't think it's worth it to add these just for Java interop, especially when you can use the Java-native JDK-8 functional interfaces (java.util.function.*) from Kotlin, if you really need that good Java interop.