import kotlin.reflect.KClass

open class A
class B1 : A()
class B2 : A()

annotation class Ann1(val arg: KClass<in A>)

Ann1(A::class)
class MyClass1

Ann1(Any::class)
class MyClass1a

Ann1(<!TYPE_MISMATCH!>B1::class<!>)
class MyClass2

annotation class Ann2(val arg: KClass<in B1>)

Ann2(A::class)
class MyClass3

Ann2(B1::class)
class MyClass4

Ann2(<!TYPE_MISMATCH!>B2::class<!>)
class MyClass5