KT element: KtClass
FIR element: FirRegularClassImpl
FIR source kind: KtRealSourceElementKind

FIR element rendered:
public final [ResolvedTo(BODY_RESOLVE)] class X : R|kotlin/Any| {
    public [ResolvedTo(BODY_RESOLVE)] constructor(): R|Y.X| {
        super<R|kotlin/Any|>()
    }

    public final [ResolvedTo(BODY_RESOLVE)] fun y(): R|kotlin/String|

}