nikophil

    messenger:
        # these 3 confs are mutually exclusive! cannot use them together
        transports:
            normal_transport:
                dsn: '%env(MESSENGER_TRANSPORT_DSN)%/some_exchange_1'
                # if not provided at all: defaults to `messenger.serializer.default_serializer`
                # can be used with the short notation: works the same way as now
                serializer: transport_serializer_service_id
                # or as an array, everything is optional: if "service_id" not provided if it uses `messenger.serializer.default_serializer`