module Error: sig .. end
type [ `wrong_format of
           [ `column_number | `float_of_string of string | `int_of_string of string ] *
           Biocaml_table.Row.t_type * string
       | `wrong_number_of_columns of Biocaml_table.Row.t ] 
type [ `bed of parsing_base ] 
val parsing_base_of_sexp : Sexplib.Sexp.t -> parsing_base
val parsing_base_of_sexp__ : Sexplib.Sexp.t -> parsing_base
val sexp_of_parsing_base : parsing_base -> Sexplib.Sexp.t
val parsing_of_sexp : Sexplib.Sexp.t -> parsing
val parsing_of_sexp__ : Sexplib.Sexp.t -> parsing
val sexp_of_parsing : parsing -> Sexplib.Sexp.t