},
						Bucket:    roi.Bucket,
						OpType:    replication.ExistingObjectReplicationType,
						EventType: ReplicateExistingDelete,
					}
					replicateDelete(ctx, doi, objectAPI)
				} else {
					roi.OpType = replication.ExistingObjectReplicationType
					roi.EventType = ReplicateExisting
					replicateObject(ctx, roi, objectAPI)
				}

				st := TargetReplicationResyncStatus{

				DeleteMarkerMTime:     DeleteMarkerMTime{objInfo.ModTime},
				DeleteMarker:          objInfo.DeleteMarker,
				ReplicationState:      objInfo.ReplicationState(),
			},
			Bucket:    bucket,
			EventType: ReplicateIncomingDelete,
		}
		scheduleReplicationDelete(ctx, dobj, objectAPI)
	}

	// Remove the transitioned object whose object version is being overwritten.
	if !globalTierConfigMgr.Empty() {

        support for on_startup/on_shutdown handlers.

        Ref: https://github.com/Kludex/starlette/pull/3117
        """
        assert event_type in ("startup", "shutdown")
        if event_type == "startup":
            self.on_startup.append(func)
        else:
            self.on_shutdown.append(func)

    @deprecated(
        """
        on_event is deprecated, use lifespan event handlers instead.

        Read more about it in the
        [FastAPI docs for Lifespan Events](https://fastapi.tiangolo.com/advanced/events/).
        """
    )
    def on_event(
        self,
        event_type: Annotated[
            str,
            Doc(
                """
                The type of event. `startup` or `shutdown`.
                """
            ),
        ],