(TranslationUnit
    [(Program
        __xx_main
        ()
        []
        []
        [(DerivedType
            test_t
            []
            ()
            []
            [(Declaration
                (AttrType
                    TypeReal
                    []
                    ()
                    ()
                    None
                )
                []
                [(a
                []
                []
                ()
                ()
                None
                ())]
                ()
            )]
            []
        )]
        []
        []
    )]
)
