sig
val equal : string -> string -> bool
val compare : string -> string -> int
type version_analysis =
Native of string * string * string
| NonNative of string * string * string * string
val decompose : string -> Version.version_analysis
val compose : Version.version_analysis -> string
val strip_epoch_binnmu : string -> string
val split : string -> string * string * string * string
val concat : string * string * string * string -> string
val normalize : string -> string
end