}

// FuncExpr represents a function call
type FuncExpr struct {
	SFunc     *SimpleArgFunc `parser:"  @@"`
	Count     *CountFunc     `parser:"| @@"`
	Cast      *CastFunc      `parser:"| @@"`
	Substring *SubstringFunc `parser:"| @@"`
	Extract   *ExtractFunc   `parser:"| @@"`
	Trim      *TrimFunc      `parser:"| @@"`
	DateAdd   *DateAddFunc   `parser:"| @@"`
	DateDiff  *DateDiffFunc  `parser:"| @@"`

}

// findFirstPart will find the part with 0 being the first that corresponds to the marker in the options.
// io.ErrUnexpectedEOF is returned if the place containing the marker hasn't been scanned yet.
// io.EOF indicates the marker is beyond the end of the stream and does not exist.
func (o *listPathOptions) findFirstPart(fi FileInfo) (int, error) {
	search := o.Marker
	if search == "" {
		search = o.Prefix
	}
	if search == "" {

	Expires              time.Time // Is only used in POST/PUT operations

	DeleteMarker            bool // Is only set in DELETE operations for delete marker replication
	CheckDMReplicationReady bool // Is delete marker ready to be replicated - set only during HEAD
	Tagging                 bool // Is only in GET/HEAD operations to return tagging metadata along with regular metadata and body.

					break
				}
			}
		}

		if obj.ExpiredObjectDeleteMarker() {
			if rule.Expiration.DeleteMarker.val {
				// Indicates whether MinIO will remove a delete marker with no noncurrent versions.
				// Only latest marker is removed. If set to true, the delete marker will be expired;
				// if set to false the policy takes no action. This cannot be specified with Days or
				// Date in a Lifecycle Expiration Policy.

	// MinioStoreName - MinIO store name.
	MinioStoreName = "MinIO"

	// MinioUAName - MinIO user agent name.
	MinioUAName = "MinIO"

	// MinioBannerName - MinIO banner name for startup message.
	MinioBannerName = "MinIO Object Storage Server"

	// MinioLicense - MinIO server license.
	MinioLicense = "GNU AGPLv3 <https://www.gnu.org/licenses/agpl-3.0.html>"

	fivs, err := getAllFileInfoVersions(xlMetaBuf, volume, path, allParts)
	if err != nil {
		return fivs, err
	}
	n := 0
	for _, fi := range fivs.Versions {
		// Filter our tier object delete marker
		if !fi.TierFreeVersion() {
			fivs.Versions[n] = fi
			n++
		} else {
			fivs.FreeVersions = append(fivs.FreeVersions, fi)
		}
	}
	fivs.Versions = fivs.Versions[:n]
	// Update numversions

	// and don't process the If-Modified-Since header.
	if objInfo.ModTime.IsZero() || objInfo.ModTime.Equal(time.Unix(0, 0)) {
		return false
	}

	// If top level is a delete marker proceed to upload.
	if objInfo.DeleteMarker {
		return false
	}

	// Headers to be set of object content is not going to be written to the client.
	writeHeaders := func() {
		// set common headers

		ctx, cancel := context.WithCancel(ctx)
		// one of source/target is s3, skip delete marker and all versions under the same object name.
		s3Type := r.Target.Type == BatchJobReplicateResourceS3 || r.Source.Type == BatchJobReplicateResourceS3

		if err := api.Walk(ctx, r.Source.Bucket, r.Source.Prefix, walkCh, WalkOptions{
			Marker:   lastObject,
			Filter:   selectObj,
			AskDisks: walkQuorum,
		}); err != nil {

	testCases := []struct {
		inputConfig           string
		expectedParsingErr    error
		expectedValidationErr error
		destBucket            string
		sameTarget            bool
	}{
		{ // 1 Invalid delete marker status in replication config

		}
		if stringsHasPrefixFold(key, ReservedMetadataPrefix) {
			return true
		}
	}
	return false
}

// isHTTPHeaderSizeTooLarge returns true if the provided
// header is larger than 8 KB or the user-defined metadata
// is larger than 2 KB.
func isHTTPHeaderSizeTooLarge(header http.Header) bool {
	var size, usersize int
	for key := range header {
		length := len(key) + len(header.Get(key))
		size += length