return []byte{}, err
		}
		for _, rl := range cfg.Rules {
			newRMap[rl.ID] = rl
		}
		xmlName = cfg.XMLName
	}

	// check if current expiry rules are there in new one. if not remove the expiration
	// part of rule as they may have been removed from latest updated one
	for id, rl := range rMap {
		if !rl.Expiration.IsNull() || !rl.NoncurrentVersionExpiration.IsNull() {

			if err := xml.Unmarshal(meta.LifecycleConfigXML, &lcCfg); err != nil {
				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 s int = complex(1, 0)          // untyped complex constant 1 + 0i can be converted to int
_ = complex(1, 2<<s)               // illegal: 2 assumes floating-point type, cannot shift
var rl = real(c64)                 // float32
var im = imag(a)                   // float64
const c = imag(b)                  // untyped constant -1.4