(source [0, 0] - [1, 0]
  (struct_lit [0, 0] - [0, 66]
    (kwd_lit [0, 1] - [0, 7])
    (struct_lit [0, 8] - [0, 21]
      (kwd_lit [0, 9] - [0, 15])
      (kwd_lit [0, 16] - [0, 20]))
    (kwd_lit [0, 22] - [0, 26])
    (struct_lit [0, 27] - [0, 42]
      (kwd_lit [0, 28] - [0, 34])
      (kwd_lit [0, 35] - [0, 41]))
    (kwd_lit [0, 43] - [0, 49])
    (struct_lit [0, 50] - [0, 65]
      (kwd_lit [0, 51] - [0, 57])
      (kwd_lit [0, 58] - [0, 64]))))
