inputXML: ` <Filter>
						<Tag>
							<Key>key1</Key>
							<Value>value1</Value>
						</Tag>
						</Filter>`,
			expectedErr: nil,
		},
		{ // Filter with Prefix tag
			inputXML: ` <Filter>
							<Prefix>key-prefix</Prefix>
						</Filter>`,
			expectedErr: nil,
		},
		{ // Filter without And and multiple Tag tags
			inputXML: ` <Filter>
							<Prefix>key-prefix</Prefix>
							<Tag>

	return "more than one prefix in filter rule"
}

// ErrFilterNameSuffix - more than one suffix usage error.
type ErrFilterNameSuffix struct{}

func (err ErrFilterNameSuffix) Error() string {
	return "more than one suffix in filter rule"
}

// ErrInvalidFilterValue - invalid filter value error.
type ErrInvalidFilterValue struct {
	FilterValue string
}

					Filter:                  Filter{Prefix: "xy", And: And{}, Tag: Tag{Key: "k1", Value: "v1"}},
				},
				{
					Status:                  Enabled,
					Priority:                1,
					DeleteMarkerReplication: DeleteMarkerReplication{Status: Enabled},
					DeleteReplication:       DeleteReplication{Status: Disabled},
					Filter:                  Filter{Prefix: "xyz"},
				},
			},
		},

}

// BatchJobReplicateFlags various configurations for replication job definition currently includes
// - filter
// - notify
// - retry
type BatchJobReplicateFlags struct {
	Filter BatchReplicateFilter `yaml:"filter" json:"filter"`
	Notify BatchJobNotification `yaml:"notify" json:"notify"`
	Retry  BatchJobRetry        `yaml:"retry" json:"retry"`
}

		// Sanity check, should not happen.
		o.FilterPrefix = ""
	}
}

// filter will apply the options and return the number of objects requested by the limit.
// Will return io.EOF if there are no more entries with the same filter.
// The last entry can be used as a marker to resume the listing.
func (r *metacacheReader) filter(o listPathOptions) (entries metaCacheEntriesSorted, err error) {
	// Forward to prefix, if any

	EnvCompressExtensionsLegacy      = "MINIO_COMPRESS_EXTENSIONS"
	EnvCompressMimeTypesLegacy2      = "MINIO_COMPRESS_MIME_TYPES"
)

// SetCompressionConfig - One time migration code needed, for migrating from older config to new for Compression.
func SetCompressionConfig(s config.Config, cfg Config) {
	if !cfg.Enabled {
		// No need to save disabled settings in new config.
		return
	}

	ErrInvalidConfigDecryptionKey = newErrFn(
		"Incorrect encryption key to decrypt internal data",
		"Please set the correct default KMS key value or the correct root credentials for older MinIO versions.",
		`Revert MINIO_KMS_KES_KEY_NAME or MINIO_ROOT_USER/MINIO_ROOT_PASSWORD (for older MinIO versions) to be able to decrypt the internal data again.`,
	)

	ErrInvalidCredentials = newErrFn(
		"Invalid credentials",
		"Please provide correct credentials",

}

// readDirFn applies the fn() function on each entries at dirPath, doesn't recurse into
// the directory itself, if the dirPath doesn't exist this function doesn't return
// an error.
func readDirFn(dirPath string, filter func(name string, typ os.FileMode) error) error {
	d, err := Open(dirPath)
	if err != nil {
		if osErrToFileErr(err) == errFileNotFound {
			return nil
		}
		return osErrToFileErr(err)
	}
	defer d.Close()

	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]

	for _, rule := range lc.Rules {
		if rule.Status == Disabled {
			continue
		}
		if !strings.HasPrefix(obj.Name, rule.GetPrefix()) {
			continue
		}
		if !rule.Filter.TestTags(obj.UserTags) {
			continue
		}
		if !obj.DeleteMarker && !rule.Filter.BySize(obj.Size) {
			continue
		}
		rules = append(rules, rule)
	}
	return rules
}

// ObjectOpts provides information to deduce the lifecycle actions