type EvalMetadataFn func(o *ObjectInfo, gerr error) (ReplicateDecision, error)

// EvalRetentionBypassFn validates input objInfo and GetObjectInfo error and returns an error if retention bypass is not allowed.
type EvalRetentionBypassFn func(o ObjectInfo, gerr error) error

// GetObjectInfoFn is the signature of GetObjectInfo function.

	}))
}

// WalkDirHandler - remote caller to list files and folders in a requested directory path.
func (s *storageRESTServer) WalkDirHandler(ctx context.Context, payload []byte, _ <-chan []byte, out chan<- []byte) (gerr *grid.RemoteErr) {
	var opts WalkDirOptions
	_, err := opts.UnmarshalMsg(payload)
	if err != nil {
		return grid.NewRemoteErr(err)
	}

	if !s.checkID(opts.DiskID) {

	}
	srcInfo.UserDefined[archiveTypeMetadataKey] = at
	popts := ObjectOptions{
		MTime:     srcInfo.ModTime,
		VersionID: srcInfo.VersionID,
		EvalMetadataFn: func(oi *ObjectInfo, gerr error) (dsc ReplicateDecision, err error) {
			oi.UserDefined[archiveTypeMetadataKey] = at
			oi.UserDefined[archiveInfoMetadataKey] = zipInfoStr
			return dsc, nil
		},
	}

}

// returns whether object version is a deletemarker and if object qualifies for replication
func checkReplicateDelete(ctx context.Context, bucket string, dobj ObjectToDelete, oi ObjectInfo, delOpts ObjectOptions, gerr error) (dsc ReplicateDecision) {
	rcfg, err := getReplicationConfig(ctx, bucket)
	if err != nil || rcfg == nil {
		replLogOnceIf(ctx, err, bucket)
		return
	}

					test.result, got)
			}
			got, gErr := test.objInfo.IsCompressedOK()
			if got != test.result {
				t.Errorf("IsCompressedOK: Expected %v but received %v",
					test.result, got)
			}
			if gErr != nil != test.err {
				t.Errorf("IsCompressedOK: want error: %t, got error: %v", test.err, gErr)
			}
		})
	}
}

// Tests excludeForCompression.

		req, gerr := newTestSignedRequestV4(http.MethodGet, u, 0, nil, testCase.accessKey, testCase.secretKey, nil)
		if gerr != nil {
			t.Fatalf("Test %d: %s: Failed to create HTTP request for ListMultipartUploadsHandler: <ERROR> %v", i+1, instanceType, gerr)
		}
		// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.

		return
	}

	objectsToDelete := map[ObjectToDelete]int{}
	getObjectInfoFn := objectAPI.GetObjectInfo

	var (
		hasLockEnabled bool
		dsc            ReplicateDecision
		goi            ObjectInfo
		gerr           error
	)
	replicateDeletes := hasReplicationRules(ctx, bucket, deleteObjectsReq.Objects)
	if rcfg, _ := globalBucketObjectLockSys.Get(bucket); rcfg.LockEnabled {
		hasLockEnabled = true
	}

				// Check if group already exists
				if _, gerr := globalIAMSys.GetGroupDescription(group); gerr != nil {
					// If group does not exist, then check if the group has beginning and end space characters
					// we will reject such group names.
					if errors.Is(gerr, errNoSuchGroup) && hasSpaceBE(group) {
						writeErrorResponseJSON(ctx, w, importErrorWithAPIErr(ctx, ErrAdminResourceInvalidArgument, gerr, allGroupsFile, group), r.URL)
						return

				// proxy to replication target if site replication is in place.
				tags, gerr := proxyGetTaggingToRepTarget(ctx, bucket, object, opts, proxytgts)
				if gerr.Err != nil || tags == nil {
					globalReplicationStats.incProxy(bucket, getObjectTaggingAPI, true)
					writeErrorResponse(ctx, w, toAPIError(ctx, gerr.Err), r.URL)
					return
				} // overlay tags from peer site.
				ot = tags

			// while we see such quorum errors.
			goi, _, gerr := er.getObjectInfoAndQuorum(ctx, bucket, object, opts)
			if gerr != nil && goi.Name == "" {
				if _, ok := gerr.(InsufficientReadQuorum); ok {
					// Add an MRF heal for next time.
					er.addPartial(bucket, object, opts.VersionID)

					return objInfo, InsufficientWriteQuorum{}
				}
				return objInfo, gerr
			}