You can search for identifiers within the package.
in-package search v0.2.0
type t =
| Initialising
| InitWait
| Initialised
| Connected
| Closing
| Closed
val to_string : t -> string
val of_string : string -> t option
val _state : string
val keys : string list
val to_assoc_list : t -> (string * string) list
val of_assoc_list : (string * string) list -> (t, string) result