public ServiceUpdate withServiceUpdateType(ServiceUpdateType serviceUpdateType) {
        this.serviceUpdateType = serviceUpdateType.toString();
        return this;
    }
<p>
Reflects the nature of the service update
</p>

@param serviceUpdateType
       Reflects the nature of the service update
@return Returns a reference to this object so that method calls can be chained together.
@see ServiceUpdateType
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/ServiceUpdate.java