You can search for identifiers within the package.
in-package search v0.2.0
coq-serapi.serlib
Serlib.Ser_vmemitcodes
type body_code = Vmemitcodes.body_code
val sexp_of_body_code : body_code -> Sexplib.Sexp.t
val body_code_of_sexp : Sexplib.Sexp.t -> body_code