FILE: castForFunctionsWithDifferentArities.kt
    public final fun test(b: R|kotlin/Boolean|, block1: R|kotlin/Any.() -> kotlin/Unit|, block2: R|(kotlin/Any.(kotlin/Any?) -> kotlin/Unit)?|): R|kotlin/Unit| {
        when () {
            R|<local>/b| ->  {
                R|kotlin/requireNotNull|<R|kotlin/Any.() -> kotlin/Unit|>(R|<local>/block1|)
            }
            else ->  {
                R|kotlin/requireNotNull|<R|kotlin/Any.(kotlin/Any?) -> kotlin/Unit|>(R|<local>/block2|)
            }
        }

    }