public String getClusterSecurityGroupId() {
        return this.clusterSecurityGroupId;
    }
<p>
The cluster security group that was created by Amazon EKS for the cluster. Managed node groups use this security
group for control-plane-to-data-plane communication.
</p>

@return The cluster security group that was created by Amazon EKS for the cluster. Managed node groups use this
        security group for control-plane-to-data-plane communication.
aws-java-sdk-eks/src/main/java/com/amazonaws/services/eks/model/VpcConfigResponse.java