this is just a marker file....

import (
	"context"
	"fmt"
	"strconv"
	"strings"
)

// markerTagVersion is the marker version.
// Should not need to be updated unless a fundamental change is made to the marker format.
const markerTagVersion = "v2"

// parseMarker will parse a marker possibly encoded with encodeMarker
func (o *listPathOptions) parseMarker() {
	s := o.Marker
	if !strings.Contains(s, "[minio_cache:"+markerTagVersion) {
		return
	}

}

// 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:"| @@"`

It must be noted that if active-active replication is set up with delete marker replication, there is potential for duplicate delete markers to be created if both source and target concurrently set a Delete Marker or if one/both of the clusters went down at tandem before the replication event was synced.This is an unavoidable side-effect in active-active replication caused by allowing delete markers set on a object version with `REPLICA` status back to source.

![delete](https://raw.githubusercontent.com/minio/minio/master/docs/bucket/versioning/versioning_DELETE_versionEnabled.png)

 * the appropriate {@link InvokerRequest} object.
 *
 * @param <R> the type of {@link InvokerRequest} produced by this parser, extending {@link InvokerRequest}
 *
 * @since 4.0.0
 */
@Experimental
public interface Parser<R extends InvokerRequest<? extends Options>> {
    /**
     * Parses the given Maven arguments to create an InvokerRequest.

package jwt

// This file is a re-implementation of the original code here with some
// additional allocation tweaks reproduced using GODEBUG=allocfreetrace=1
// original file https://github.com/golang-jwt/jwt/blob/main/parser.go
// borrowed under MIT License https://github.com/golang-jwt/jwt/blob/main/LICENSE

import (
	"bytes"
	"crypto"
	"crypto/hmac"
	"encoding/base64"
	"errors"
	"fmt"
	"hash"
	"sync"
	"time"

          # retainVersions: 0 # (default) delete all versions of the object. This option is the fastest.
          # retainVersions: 5 # keep the latest 5 versions of the object.
  
    - type: deleted # objects with delete marker as their latest version
      name: NAME # match object names that satisfy the wildcard expression.
      olderThan: 10h # match objects older than this value (e.g. 7d10h31s)

        }
    ]
}
```

### 3.3 Automatic removal of delete markers with no other versions

When an object has only one version as a delete marker, the latter can be automatically removed after a certain number of days using the following configuration:

```
{
    "Rules": [
        {
            "ID": "Removing all delete markers",
            "Expiration": {
                "ExpiredObjectDeleteMarker": true

    public boolean isTraceEnabled(Marker marker) {
        return false;
    }

    public void trace(Marker marker, String msg) {}

    public void trace(Marker marker, String format, Object arg) {}

    public void trace(Marker marker, String format, Object arg1, Object arg2) {}

    public void trace(Marker marker, String format, Object... argArray) {}