UFile (package = )
    UClass (name = Simple)
        UField (name = property)
            UAnnotation (fqName = org.jetbrains.annotations.NotNull)
            ULiteralExpression (value = "Mary")
        UMethod (name = method)
            UBlockExpression
                UCallExpression (kind = UastCallKind(name='method_call'), argCount = 1))
                    UIdentifier (Identifier (println))
                    USimpleNameReferenceExpression (identifier = println, resolvesTo = null)
                    ULiteralExpression (value = "Hello, world!")
        UMethod (name = getProperty)
        UMethod (name = Simple)