public Boolean isRemoveUserGroup() {
        return this.removeUserGroup;
    }
<p>
The identifier of the UserGroup to be removed from association with the Redis OSS serverless cache. Available for
Redis OSS only. Default is NULL.
</p>

@return The identifier of the UserGroup to be removed from association with the Redis OSS serverless cache.
        Available for Redis OSS only. Default is NULL.
aws-java-sdk-elasticache/src/main/java/com/amazonaws/services/elasticache/model/ModifyServerlessCacheRequest.java