Worker (octez-libs.Octez_telemetry.Worker)

module type REQUEST = sig ... end

module MakeSingle
  (Name : Tezos_base.Worker_intf.NAME)
  (Raw_request : REQUEST)
  (Types : Tezos_base.Worker_intf.TYPES) : 
  sig ... end

Drop-in replacement of Tezos_workers.Worker.MakeSingle, where each request processing is wrapped in an OpenTelemetry span.