UFile (package = declaration)
    UAnnotation (fqName = kotlin.jvm.JvmName)
        UNamedExpression (name = name)
            ULiteralExpression (value = "Utils")
    UAnnotation (fqName = kotlin.jvm.JvmMultifileClass)
    UClass (name = Utils)
        UMethod (name = foo)
            UBlockExpression
                UReturnExpression
                    ULiteralExpression (value = 42)
        UMethod (name = buzz)
            UParameter (name = $this$buzz)
                UAnnotation (fqName = org.jetbrains.annotations.NotNull)
            UBlockExpression
                UReturnExpression
                    UPolyadicExpression (operator = +)
                        UThisExpression (label = null)
                        ULiteralExpression (value = "... zzz...")
