You can search for identifiers within the package.
in-package search v0.2.0
module Data : sig ... end
module Status : sig ... end
type t = {
id : string;
value : string;
data : Data.t;
status : Status.t;
expires_at : Ptime.t;
created_at : Ptime.t;
}
val t : t Caqti_type.t