You can search for identifiers within the package.
in-package search v0.2.0
ez_api.ws_server_httpaf
WsHttpaf
val first : bool ref
val ws : 'a -> 'b -> ?onclose:'c -> ?step:'d -> react:'e -> bg:'f -> 'g -> ('h, [> `no_ws_library ]) Result.result Lwt.t