UFile (package = )
    UClass (name = InKt)
        UMethod (name = foo)
            UBlockExpression
                UDeclarationsExpression
                    ULocalVariable (name = x)
                        ULiteralExpression (value = 1)
                UDeclarationsExpression
                    ULocalVariable (name = y)
                        ULiteralExpression (value = 10)
                UReturnExpression
                    UBinaryExpression (operator = &&)
                        UBinaryExpression (operator = in)
                            USimpleNameReferenceExpression (identifier = x)
                            UBinaryExpression (operator = ..)
                                ULiteralExpression (value = 0)
                                ULiteralExpression (value = 5)
                        UBinaryExpression (operator = !in)
                            USimpleNameReferenceExpression (identifier = y)
                            UBinaryExpression (operator = ..)
                                ULiteralExpression (value = 4)
                                ULiteralExpression (value = 9)
