sig
type t =
[ `incomplete_input of
Biocaml_internal_utils.Pos.t * string list * string option
| `invalid_int of Biocaml_internal_utils.Pos.t * string * string
| `invalid_number_of_columns of
Biocaml_internal_utils.Pos.t * string * int
| `invalid_strands of Biocaml_internal_utils.Pos.t * string * string ]
end