You can search for identifiers within the package.
in-package search v0.2.0
type store
type value
val known : store -> Hash.t -> bool Lwt.t
val read : store -> Hash.t -> (value, Tezos_error_monad.TzCore.error list) Stdlib.result Lwt.t
val read_opt : store -> Hash.t -> value option Lwt.t