You can search for identifiers within the package.
in-package search v0.2.0
type buffer = {
flow : Conduit_mirage.Flow.flow;
mutable buffer : Cstruct.t;
}
module Reader : Resp.READER with type ic = buffer
module Writer : Resp.WRITER with type oc = Conduit_mirage.Flow.flow
module Backend (Data : sig ... end) : Resp_server.SERVER with type oc = Conduit_mirage.Flow.flow and type ic = buffer and type data = Data.data
module Server : sig ... end
module Client : Resp_client.S with type params = Conduit_mirage.conduit * Conduit_mirage.client and type t = Reader.ic * Writer.oc