You can search for identifiers within the package.
in-package search v0.2.0
type t = (Metadata.Peer.t, Metadata.Connection.t) Tezos_base.P2p_peer.Info.t
include Tezos_base.TzPervasives.ENCODABLE with type t := t
val encoding : t Tezos_base.TzPervasives.Data_encoding.t