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)] [ContainingClassKey=X] constructor(): R|Y.X| {
        super<R|kotlin/Any|>()
    }

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

}

FIR FILE:
FILE: [ResolvedTo(IMPORTS)] nestedClass.kt
    public final [ResolvedTo(STATUS)] class Y : R|kotlin/Any| {
        public [ResolvedTo(STATUS)] [ContainingClassKey=Y] constructor(): R|Y| {
            LAZY_super<R|kotlin/Any|>
        }

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

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

        }

    }