[kotlinTraitDerivedLocalClasses.0.kt] Unclassified usage (7: 12) open class A: X {
[kotlinTraitDerivedLocalClasses.1.kt] Unclassified usage (5: 16) open class B: A() {
[kotlinTraitDerivedLocalClasses.1.kt] Unclassified usage (9: 16) open class C: Y {