You can search for identifiers within the package.
in-package search v0.2.0
coq-lsp.request
Request.Error
type 'a t = {
code : int;
payload : 'a;
feedback : Lang.Range.t Coq.Message.t list;
}
val make : ?feedback:Lang.Range.t Coq.Message.t list -> int -> 'a -> 'a t