You can search for identifiers within the package.
in-package search v0.2.0
module Sink : Tezos_event_logging.Internal_event.SINK
Sink is an Internal_event.SINK implementation logging through Tezt's Log.
Sink
Internal_event.SINK
Log
val sink : Sink.t Tezos_event_logging.Internal_event.sink_definition
val activate : unit -> unit Lwt.t
Activate the Tezt Sink