return sha256.New()
	case BLAKE2b512:
		b2, _ := blake2b.New512(nil) // New512 never returns an error if the key is nil
		return b2
	case HighwayHash256:
		hh, _ := highwayhash.New(magicHighwayHash256Key) // New will never return error since key is 256 bit
		return hh
	case HighwayHash256S:
		hh, _ := highwayhash.New(magicHighwayHash256Key) // New will never return error since key is 256 bit
		return hh
	default:

            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }

		c.done = nil
	}
	return c.rc.Close()
}

// keepHTTPReqResponseAlive can be used to avoid timeouts with long storage
// operations, such as bitrot verification or data usage scanning.
// Every 10 seconds a space character is sent.
// keepHTTPReqResponseAlive will wait for the returned body to be read before starting the ticker.
// The returned function should always be called to release resources.

		dataUsageJSON, err := json.Marshal(dataUsageInfo)
		if err != nil {
			scannerLogIf(ctx, err)
			continue
		}
		if attempts > 10 {
			saveConfig(ctx, objAPI, dataUsageObjNamePath+".bkp", dataUsageJSON) // Save a backup every 10th update.
			attempts = 1
		}
		if err = saveConfig(ctx, objAPI, dataUsageObjNamePath, dataUsageJSON); err != nil {
			scannerLogOnceIf(ctx, err, dataUsageObjNamePath)
		}
		attempts++
	}
}

		}
		m.addResponse(Response{Err: ErrIncorrectSequence})
		return false
	}
	m.RecvSeq++
	return true
}

// response will send handleIncoming response to client.
// may never block.
// Should return whether the next call would block.
func (m *muxClient) response(seq uint32, r Response) {
	if debugReqs {
		fmt.Println(m.MuxID, m.parent.String(), "RESP")
	}
	if debugPrint {

		},
		{
			// restore completed but expired
			meta: map[string]string{
				xhttp.AmzRestore: completedRestoreObj(time.Now().Add(-time.Hour)).String(),
			},
			remote: true,
		},
		{
			// restore never initiated
			meta:   map[string]string{},
			remote: true,
		},
	}
	for i, tc := range testCases {
		// Set transition status to complete
		fi.TransitionStatus = lifecycle.TransitionComplete

eventually.

However, this means that STS tokens signed previously by root credentials will no longer be valid upon upgrading to the latest version with this change. Please re-generate them as you usually do. Additionally, if site replication is ever removed - the STS tokens will become invalid, regenerate them as you usually do....

		if format == nil {
			continue
		}
		// NOTE: This code is specifically needed when migrating version
		// V1 to V2 to V3, in a scenario such as this we only need to handle
		// single sets since we never used to support multiple sets in releases
		// with V1 format version.
		if len(format.Erasure.Sets) > 1 {
			continue
		}
		if format.Erasure.This == "" {
			return true
		}
	}
	return false
}

		}
	}
	return false
}

// enforceRetentionBypassForDelete enforces whether an existing object under governance can be deleted
// with governance bypass headers set in the request.
// Objects under site wide WORM can never be overwritten.
// For objects in "Governance" mode, overwrite is allowed if a) object retention date is past OR
// governance bypass headers are set and user has governance bypass permissions.

	BaseOptions
	Recursive bool `msg:"r"`
	Immediate bool `msg:"i"`
	UndoWrite bool `msg:"u"`
	// OldDataDir of the previous object
	OldDataDir string `msg:"o,omitempty"` // old data dir used only when to revert a rename()
}

// BaseOptions represents common options for all Storage API calls
type BaseOptions struct{}

// RenameOptions represents rename API options, currently its same as BaseOptions
type RenameOptions struct {