testCases := []struct {
		xml      string
		expected NoncurrentVersionExpiration
	}{
		{
			xml: `<NoncurrentVersionExpiration><NoncurrentDays>1</NoncurrentDays><NewerNoncurrentVersions>3</NewerNoncurrentVersions></NoncurrentVersionExpiration>`,
			expected: NoncurrentVersionExpiration{
				XMLName: xml.Name{
					Local: "NoncurrentVersionExpiration",
				},
				NoncurrentDays:          1,

```
{
    "Rules": [
        {
            "ID": "Removing all old versions",
            "Filter": {
                "Prefix": "users-uploads/"
            },
            "NoncurrentVersionExpiration": {
                "NoncurrentDays": 365
            },
            "Status": "Enabled"
        }
    ]
}
```

This JSON rule is equivalent to the following MinIO Client command:
```

	lcXML := `
<LifecycleConfiguration>
       <Rule>
               <ID>max-versions</ID>
               <Status>Enabled</Status>
               <NoncurrentVersionExpiration>
                       <NewerNoncurrentVersions>2</NewerNoncurrentVersions>
               </NoncurrentVersionExpiration>
       </Rule>
       <Rule>
               <ID>delete-all-versions</ID>
               <Status>Enabled</Status>
               <Filter>

				return updatedAt, err
			}
			// find a single expiry rule set the flag
			for _, rl := range lcCfg.Rules {
				if !rl.Expiration.IsNull() || !rl.NoncurrentVersionExpiration.IsNull() {
					expiryRuleRemoved = true
					break
				}
			}
		}

		// Form empty ILM details with `ExpiryUpdatedAt` field and save
		var cfgData []byte
		if expiryRuleRemoved {

				if rl.Transition.IsNull() && rl.NoncurrentVersionTransition.IsNull() {
					delete(rMap, id)
				} else {
					rl.Expiration = lifecycle.Expiration{}
					rl.NoncurrentVersionExpiration = lifecycle.NoncurrentVersionExpiration{}
					rMap[id] = rl
				}
			}
		}
	}

	// append now
	for id, rl := range newRMap {