You can search for identifiers within the package.
in-package search v0.2.0
type 'fd t
and slice = Carton.Dec.W.slice = {
offset : int64;
length : int;
payload : Bigstringaf.t;
}
and 'fd map = 'fd -> pos:int64 -> int -> Bigstringaf.t Lwt.t
val make : 'fd -> 'fd t