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      IDENT@5..8 "Foo"
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      WHERE_PRED@15..24
        PATH_TYPE@15..18
          PATH@15..18
            PATH_SEGMENT@15..18
              NAME_REF@15..18
                IDENT@15..18 "Foo"
        COLON@18..19 ":"
        WHITESPACE@19..20 " "
        TYPE_BOUND_LIST@20..24
          TYPE_BOUND@20..24
            PATH_TYPE@20..24
              PATH@20..24
                PATH_SEGMENT@20..24
                  NAME_REF@20..24
                    IDENT@20..24 "Copy"
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    TUPLE_TYPE@27..29
      L_PAREN@27..28 "("
      R_PAREN@28..29 ")"
    SEMICOLON@29..30 ";"
  WHITESPACE@30..31 "\n"
