(TranslationUnit
    [(Subroutine
        x
        []
        []
        ()
        (TriviaNode
            []
            [(EndOfLine)
            (EndOfLine)]
        )
        []
        []
        []
        []
        []
        []
        []
    )
    (Program
        __xx_main
        ()
        []
        [(ImplicitNone
            []
            ()
        )]
        []
        [(SubroutineCall
            0
            y
            []
            []
            []
            []
            ()
        )]
        []
    )
    (Subroutine
        y
        []
        []
        ()
        ()
        []
        []
        []
        []
        [(Print
            0
            ()
            [(String "x" ())]
            ()
        )]
        []
        []
    )]
)
