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            NAME_REF@2..5
              IDENT@2..5 "cfg"
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      POUND@13..14 "#"
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            NAME_REF@15..21
              IDENT@15..21 "Ignore"
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      IDENT@26..29 "foo"
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      STMT_LIST@32..34
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      POUND@36..37 "#"
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            NAME_REF@38..42
              IDENT@38..42 "path"
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          STRING@45..51 "\"a.rs\""
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