package test class Foo fun main() { val cls = Foo::class val cls2 = Foo::class val cls3 = Foo::class.java //Breakpoint! foo(cls2) } private fun foo(a: Any?) {} // EXPRESSION: cls // RESULT: instance of java.lang.Class(reflected class=test.Foo, id=ID): Ljava/lang/Class; // EXPRESSION: cls2 // RESULT: instance of kotlin.jvm.internal.ClassReference(id=ID): Lkotlin/jvm/internal/ClassReference; // EXPRESSION: cls3 // RESULT: instance of java.lang.Class(reflected class=test.Foo, id=ID): Ljava/lang/Class;