``` interface SwitchMessageConverterKotlin<T&gt...

# announcements

[jlleitschuh]

interface SwitchMessageConverterKotlin<T>  {
    val supportedType: Class<T>
        get() = supportedKlass.java

    val supportedKlass: KClass<T> // Anyone know why the compiler complains about this `T`?
}

[ilya.gorbunov]

The type parameter of KClass is constrained to be non-nullable type.
You need to add constraint T : Any