To obtain a reference to a [KClass](<https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.reflect/-k-class/index.html>) object representing some class use double colons:
[KClass](<https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.reflect/-k-class/index.html>)
val c1 = String::class val c2 = MyClass::class