UFile (package = ) [public final class Ea101715Kt {...]
    UClass (name = Ea101715Kt) [public final class Ea101715Kt {...}]
        UMethod (name = a) [public static final fun a() : void {...}]
            UBlockExpression [{...}] : PsiType:Unit
                [!] UnknownKotlinExpression (PROPERTY) [[!] UnknownKotlinExpression (PROPERTY)]
    UClass (name = Obj) [public final class Obj {...}]
        UField (name = INSTANCE) [public static final var INSTANCE: Obj]
        UMethod (name = Obj) [private fun Obj() = UastEmptyExpression]
