SOURCE_FILE@0..25
  IMPL@0..24
    IMPL_KW@0..4 "impl"
    WHITESPACE@4..5 " "
    CONST_KW@5..10 "const"
    WHITESPACE@10..11 " "
    PATH_TYPE@11..15
      PATH@11..15
        PATH_SEGMENT@11..15
          NAME_REF@11..15
            IDENT@11..15 "Send"
    WHITESPACE@15..16 " "
    FOR_KW@16..19 "for"
    WHITESPACE@19..20 " "
    PATH_TYPE@20..21
      PATH@20..21
        PATH_SEGMENT@20..21
          NAME_REF@20..21
            IDENT@20..21 "X"
    WHITESPACE@21..22 " "
    ASSOC_ITEM_LIST@22..24
      L_CURLY@22..23 "{"
      R_CURLY@23..24 "}"
  WHITESPACE@24..25 "\n"