}

// CloseWithError close with supplied error the writer end.
func (w *PipeWriter) CloseWithError(err error) error {
	err = w.PipeWriter.CloseWithError(err)
	w.once.Do(func() {
		w.done()
	})
	return err
}

// PipeReader is similar to io.PipeReader with wait group
type PipeReader struct {
	*io.PipeReader
	wait func()
}

// CloseWithError close with supplied error the reader end

	"github.com/minio/minio/internal/auth"
	"github.com/minio/minio/internal/config"
	"github.com/minio/pkg/v2/policy"
)

// validateAdminReq will validate request against and return whether it is allowed.
// If any of the supplied actions are allowed it will be successful.
// If nil ObjectLayer is returned, the operation is not permitted.
// When nil ObjectLayer has been returned an error has always been sent to w.

		} // regular object/metadata replication
		return rule.MetadataReplicate(obj)
	}
	return false
}

// HasActiveRules - returns whether replication policy has active rules
// Optionally a prefix can be supplied.
// If recursive is specified the function will also return true if any level below the
// prefix has active rules. If no prefix is specified recursive is effectively true.

following conditions.

  a. Attribution.

       1. If You Share the Licensed Material (including in modified
          form), You must:

            a. retain the following if it is supplied by the Licensor
               with the Licensed Material:

                 i. identification of the creator(s) of the Licensed
                    Material and any others designated to receive

	if b.canClose != nil {
		b.canClose.Wait()
	}
	return err
}

// newStreamingBitrotWriterBuffer returns streaming bitrot writer implementation.
// The output is written to the supplied writer w.
func newStreamingBitrotWriterBuffer(w io.Writer, algo BitrotAlgorithm, shardSize int64) io.Writer {

	replicationConfig      *replication.Config
	bucketTargetConfig     *madmin.BucketTargets
	bucketTargetConfigMeta map[string]string
}

// newBucketMetadata creates BucketMetadata with the supplied name and Created to Now.
func newBucketMetadata(name string) BucketMetadata {
	return BucketMetadata{
		Name: name,
		notificationConfig: &event.Config{
			XMLNS: "http://s3.amazonaws.com/doc/2006-03-01/",
		},

	// ErrObjectLockInvalidHeaders indicates that object lock headers are missing
	ErrObjectLockInvalidHeaders = errors.New("x-amz-object-lock-retain-until-date and x-amz-object-lock-mode must both be supplied")
	// ErrMalformedXML - generic error indicating malformed XML
	ErrMalformedXML = errors.New("the XML you provided was not well-formed or did not validate against our published schema")
)

const (

			line: ef.line,
			col:  ef.col,
			msg:  "CreatedBefore is in the future",
		}
	}
	return nil
}

// BatchJobExpire represents configuration parameters for a batch expiration
// job typically supplied in yaml form
type BatchJobExpire struct {
	line, col       int
	APIVersion      string                 `yaml:"apiVersion" json:"apiVersion"`
	Bucket          string                 `yaml:"bucket" json:"bucket"`

func (d *dataUsageCache) isCompacted(h dataUsageHash) bool {
	due, ok := d.Cache[h.Key()]
	if !ok {
		return false
	}
	return due.Compacted
}

// findChildrenCopy returns a copy of the children of the supplied hash.
func (d *dataUsageCache) findChildrenCopy(h dataUsageHash) dataUsageHashMap {
	ch := d.Cache[h.String()].Children
	res := make(dataUsageHashMap, len(ch))
	for k := range ch {
		res[k] = struct{}{}
	}

}

// Decode reads from readers, reconstructs data if needed and writes the data to the writer.
// A set of preferred drives can be supplied. In that case they will be used and the data reconstructed.
func (e Erasure) Decode(ctx context.Context, writer io.Writer, readers []io.ReaderAt, offset, length, totalLength int64, prefer []bool) (written int64, derr error) {