ReplicateDecisionStr       string                            // stringified representation of replication decision for each target
	Targets                    map[string]replication.StatusType // map of ARN->replication status for ongoing replication activity
	PurgeTargets               map[string]VersionPurgeStatusType // map of ARN->VersionPurgeStatus for all the targets

       */
      private final AbstractService service;

      /**
       * This lock is used to ensure safe and correct cancellation, it ensures that a new task is
       * not scheduled while a cancel is ongoing. Also it protects the currentFuture variable to
       * ensure that it is assigned atomically with being scheduled.
       */
      private final ReentrantLock lock = new ReentrantLock();

		return
	}

	pools, ok := objectAPI.(*erasureServerPools)
	if !ok {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrNotImplemented), r.URL)
		return
	}

	// Cancel any ongoing rebalance operation
	globalNotificationSys.StopRebalance(r.Context())
	writeSuccessResponseHeadersOnly(w)
	adminLogIf(ctx, pools.saveRebalanceStats(GlobalContext, 0, rebalSaveStoppedAt))

        // TODO this needs to be repeated here so the merging doesn't interfere with the written metadata
        //  - we'd be much better having a pristine input, and an ongoing metadata for merging instead

        Map<ArtifactRepository, Metadata> previousMetadata = new HashMap<>();
        ArtifactRepository selected = null;
        for (ArtifactRepository repository : remoteRepositories) {

	}
	if strings.Contains(part.Error, errErasureReadQuorum.Error()) {
		return errErasureReadQuorum
	}
	return errors.New(part.Error)
}

// CompleteMultipartUpload - completes an ongoing multipart
// transaction after receiving all the parts indicated by the client.
// Returns an md5sum calculated by concatenating all the individual
// md5sums of all the parts.
//

### Canceling a Call ([.kt][CancelCallKotlin], [.java][CancelCallJava])

	encodedSuccessResponse := encodeResponse(response)

	// Write success response.
	writeSuccessResponseXML(w, encodedSuccessResponse)
}

// PutObjectPartHandler - uploads an incoming part for an ongoing multipart operation.
func (api objectAPIHandlers) PutObjectPartHandler(w http.ResponseWriter, r *http.Request) {
	ctx := newContext(r, w, "PutObjectPart")

	defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))

							SkipDecommissioned: true, // make sure we skip the decommissioned pool
							NoAuditLog:         true,
						})
					if err != nil {
						// This can happen when rebalance stop races with ongoing rebalance workers.
						// These rebalance failures can be ignored.
						if isErrObjectNotFound(err) || isErrVersionNotFound(err) || isDataMovementOverWriteErr(err) {
							ignore = true
							stopFn(0, nil)

			versionID:        mustGetUUID(),
			dataDir:          d2,
			shares:           3,
			transitionStatus: lifecycle.TransitionComplete,
		},
		{ // transitioned object version with an ongoing restore-object request.
			versionID:        mustGetUUID(),
			dataDir:          d2,
			shares:           3,
			transitionStatus: lifecycle.TransitionComplete,
			restoreObjStatus: ongoingRestoreObj().String(),
		},

		if nErr.Err != nil {
			peersLogOnceIf(logger.SetReqInfo(ctx, reqInfo), nErr.Err, nErr.Host.String())
		}
	}
}

// StopRebalance notifies all MinIO nodes to signal any ongoing rebalance
// goroutine to stop.
func (sys *NotificationSys) StopRebalance(ctx context.Context) {
	objAPI := newObjectLayerFn()
	if objAPI == nil {
		internalLogIf(ctx, errServerNotInitialized)
		return
	}