(TranslationUnit
    [(Program
        main
        ()
        []
        [(Implicit
            [(ImplicitSpec
                (AttrType
                    TypeDoublePrecision
                    []
                    ()
                    ()
                    None
                )
                [(LetterSpec
                    a
                    h
                )
                (LetterSpec
                    o
                    z
                )]
            )]
            ()
        )]
        []
        []
        []
    )]
)
