You can search for identifiers within the package.
in-package search v0.2.0
ounit2.advanced
OUnitPlugin.Make
module Settings : SETTINGS
val all : (int * (name * Settings.t)) list ref
val register : name -> int -> Settings.t -> unit
val of_name : name -> Settings.t
val choice : OUnitConf.conf -> name * Settings.t
val preset : (name * name) list -> (name * name) list