(TranslationUnit
    [(Program
        substring
        ()
        []
        [(ImplicitNone
            []
            ()
        )]
        [(Declaration
            (AttrType
                TypeCharacter
                [(()
                5
                Value)]
                ()
                ()
                None
            )
            []
            [(str
            []
            []
            ()
            ()
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            ())]
            ()
        )
        (Declaration
            (AttrType
                TypeCharacter
                [(()
                5
                Value)]
                ()
                ()
                None
            )
            [(SimpleAttribute
                AttrParameter
            )]
            [(s
            []
            []
            ()
            (Substring
                "Hello World"
                [(7
                11
                1
                0)]
            )
            Equal
            ())]
            (TriviaNode
                []
                [(EndOfLine)
                (EndOfLine)]
            )
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        [(Assignment
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            str
            (Substring
                "12345"
                [(2
                4
                1
                0)]
            )
            (TriviaNode
                []
                [(EndOfLine)
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        (Print
            0
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            ()
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        (Print
            0
            ()
            [s]
            ()
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        (Print
            0
            ()
            [(Substring
                "SubString"
                [(4
                9
                1
                0)]
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            (TriviaNode
                []
                [(EndOfLine)
                (EndOfLine)]
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        []
    )]
)
