You can search for identifiers within the package.
in-package search v0.2.0
module Driver : sig ... end
type t = {
id : string;
socket_id : int;
core_id : int;
thread_id : int;
}
val id_of : socket_id:int -> core_id:int -> thread_id:int -> string
type hotpluggable_t = {
driver_type : string;
vcpus_count : int;
props : t;
qom_path : string option;