var errs []error
	allAtEOF := true
	var inputs []chan metaCacheEntry
	mu.Lock()
	// Ask all sets and merge entries.
	listCtx, cancelList := context.WithCancel(ctx)
	defer cancelList()
	for _, pool := range z.serverPools {
		for _, set := range pool.sets {
			wg.Add(1)
			innerResults := make(chan metaCacheEntry, 100)
			inputs = append(inputs, innerResults)
			go func(i int, set *erasureObjects) {

	trailer http.Header

	sha256 hash.Hash
}

// Options are optional arguments to NewReaderWithOpts, Options
// simply converts positional arguments to NewReader() into a
// more flexible way to provide optional inputs. This is currently
// used by the FanOut API call mostly to disable expensive md5sum
// calculation repeatedly under hash.Reader.
type Options struct {
	MD5Hex     string
	SHA256Hex  string
	Size       int64

	return func(baseKey string, input []byte) ([]byte, error) {
		if len(input) == 0 {
			return input, nil
		}

		key, err := decryptObjectMeta(nil, o.Bucket, o.Name, o.UserDefined)
		if err != nil {
			return nil, err
		}
		mac := hmac.New(sha256.New, key)
		mac.Write([]byte(baseKey))
		return sio.DecryptBuffer(nil, input, sio.Config{Key: mac.Sum(nil), CipherSuites: fips.DARECiphers()})

// GetSubSys - extracts subssystem info from given config string
func GetSubSys(s string) (subSys string, inputs []string, tgt string, e error) {
	tgt = Default
	if len(s) == 0 {
		return subSys, inputs, tgt, Errorf("input arguments cannot be empty")
	}
	inputs = strings.SplitN(s, KvSpaceSeparator, 2)

	subSystemValue := strings.SplitN(inputs[0], SubSystemSeparator, 2)
	subSys = subSystemValue[0]
	if !SubSystems.Contains(subSys) {

	unmarshaled     bool
	format          string
}

// IsEmpty - returns whether input serialization is empty or not.
func (input *InputSerialization) IsEmpty() bool {
	return !input.unmarshaled
}

// UnmarshalXML - decodes XML data.
func (input *InputSerialization) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	// Make subtype to avoid recursive UnmarshalXML().

			if res[part] == nil {
				res[part] = make(map[string]string, 1)
			}
			res[part][typ.String()] = cs
		}
	}
	return res
}

// NewChecksumWithType is similar to NewChecksumString but expects input algo of ChecksumType.
func NewChecksumWithType(alg ChecksumType, value string) *Checksum {
	if !alg.IsSet() {
		return nil
	}
	bvalue, err := base64.StdEncoding.DecodeString(value)
	if err != nil {
		return nil

	"github.com/minio/minio/internal/once"
	"github.com/minio/minio/internal/store"
	xnet "github.com/minio/pkg/v2/net"

	"github.com/IBM/sarama"
	saramatls "github.com/IBM/sarama/tools/tls"
)

// Kafka input constants
const (
	KafkaBrokers          = "brokers"
	KafkaTopic            = "topic"
	KafkaQueueDir         = "queue_dir"
	KafkaQueueLimit       = "queue_limit"
	KafkaTLS              = "tls"

	Object    string
	VersionID string
	Err       error
}

// Unwrap the error to its underlying error.
func (e GenericError) Unwrap() error {
	return e.Err
}

// InvalidArgument incorrect input argument
type InvalidArgument GenericError

func (e InvalidArgument) Error() string {
	if e.Err != nil {
		return "Invalid arguments provided for " + e.Bucket + "/" + e.Object + ": (" + e.Err.Error() + ")"
	}

// If the content is valid JSON, the type will still be bytes.
func (v *Value) InferBytesType() (err error) {
	b, ok := v.ToBytes()
	if !ok {
		return fmt.Errorf("InferByteType: Input is not bytes, but %v", v.GetTypeString())
	}

	// Check for numeric inference
	if x, ok := v.bytesToInt(); ok {
		v.setInt(x)
		return nil
	}
	if x, ok := v.bytesToFloat(); ok {
		v.setFloat(x)

func (b *Bytes) Msgsize() int {
	if b == nil || *b == nil {
		return msgp.NilSize
	}
	return msgp.ArrayHeaderSize + len(*b)
}

// Recycle puts the Bytes back into the pool.
func (b *Bytes) Recycle() {
	if b != nil && *b != nil {
		*b = (*b)[:0]
		PutByteBuffer(*b)
		*b = nil
	}
}

// URLValues can be used for url.Values.