module Transform: sigval string_to_raw : ?filename:string ->
       unit ->
       (string,
        (Biocaml_sam.raw_item, [> Biocaml_sam.Error.string_to_raw ]) Core.Result.t)
       Biocaml_transform.tval raw_to_string : unit -> (Biocaml_sam.raw_item, string) Biocaml_transform.tval raw_to_item : unit ->
       (Biocaml_sam.raw_item,
        (Biocaml_sam.item, [> Biocaml_sam.Error.raw_to_item ]) Core.Result.t)
       Biocaml_transform.traw_items to itemsval item_to_raw : unit ->
       (Biocaml_sam.item,
        (Biocaml_sam.raw_item, [> Biocaml_sam.Error.item_to_raw ]) Core.Result.t)
       Biocaml_transform.titems to raw_itemsend