You can search for identifiers within the package.
in-package search v0.2.0
module type S = sig ... end
module Make (Map : Tezos_lazy_containers.Lazy_map.S) : S with type 'a map := 'a Map.t
Make (YouMap) creates a module with the lazy_map combinator which can be used to decode YouMap specifically.
Make (YouMap)
lazy_map
YouMap