UFile (package = ) [public final class Ea101715Kt {...]
    UClass (name = Ea101715Kt) [public final class Ea101715Kt {...}]
        UAnnotationMethod (name = a) [public static final fun a() : void {...}]
            UBlockExpression [{...}] : PsiType:Unit
                UDeclarationsExpression [var a: <ErrorType> = Obj(555)]
                    ULocalVariable (name = a) [var a: <ErrorType> = Obj(555)]
                        UCallExpression (kind = UastCallKind(name='method_call'), argCount = 1)) [Obj(555)]
                            UIdentifier (Identifier (Obj)) [UIdentifier (Identifier (Obj))]
                            USimpleNameReferenceExpression (identifier = Obj) [Obj]
                            ULiteralExpression (value = 555) [555] : PsiType:int
    UClass (name = Obj) [public final class Obj {...}]
        UField (name = INSTANCE) [@null public static final var INSTANCE: Obj]
            UAnnotation (fqName = null) [@null]
        UAnnotationMethod (name = Obj) [private fun Obj() = UastEmptyExpression]
