SOURCE_FILE@0..18
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    WHITESPACE@6..7 " "
    TRAIT_KW@7..12 "trait"
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    NAME@13..14
      IDENT@13..14 "T"
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    ASSOC_ITEM_LIST@15..17
      L_CURLY@15..16 "{"
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  WHITESPACE@17..18 "\n"