type delObj struct {
		// Set index associated to this object
		setIndex int
		// Original index from the list of arguments
		// where this object is passed
		origIndex int
		// object to delete
		object ObjectToDelete
	}

	// Transform []delObj to the list of object names
	toNames := func(delObjs []delObj) []ObjectToDelete {

      "etag": "8315e643ed6a5d7c9962fc0a8ef9c11f",
      "x-amz-storage-class": "STANDARD"
    },
...
```

### Additional replication metadata for DeleteMarker

```
...
 {
      "DelObj": {
      "ID": "u8H5pYQFRMKgkIgkpSKIkQ==",
      "MTime": 1631843124147668389,
      "MetaSys": {