You can search for identifiers within the package.
in-package search v0.2.0
vif
vif.core
Vif_core.Queries
val exists : ('a, 'b, 'c) Vif_core__.Vif_request.t -> string -> bool
val get : ('a, 'b, 'c) Vif_core__.Vif_request.t -> string -> string list
val all : ('a, 'b, 'c) Vif_core__.Vif_request.t -> (string * string list) list