You can search for identifiers within the package.
in-package search v0.2.0
jsoo-react.lib
Dom.Ref
type t = Dom.dom_ref
type current_dom_ref
type callback_dom_ref = Dom.dom_element Js_of_ocaml.Js.Opt.t -> unit
val dom_ref : current_dom_ref -> Dom.dom_ref
val callback_dom_ref : callback_dom_ref -> Dom.dom_ref