You can search for identifiers within the package.
in-package search v0.2.0
type error =
| XmlError of string
| Empty
| UnknownType
| Internal
exception Error of error
type format =
| Podcast
| Xspf
| Smil
| Asx
val string_of_error : error -> string
val tracks : ?format:format -> string -> ((string * string) list * string) list
val detect_format : string -> format