package com.example

interface Aa {
}

interface Ab<T : Ab<T>> : Aa {
}

interface Ba {
}

interface Bb<T : Bb<T>> : Ab<T>, Ba {
}

interface C : Ca, Cb {
}

interface Ca {
  abstract val b: Ba
    abstract get

}

interface Cb {
  abstract val b: Bb<*>
    abstract get

}