public SourceSecurityGroup getSourceSecurityGroup() {
        return this.sourceSecurityGroup;
    }
<p>
The security group for the load balancer, which you can use as part of your inbound rules for your registered
instances. To only allow traffic from load balancers, add a security group rule that specifies this source
security group as the inbound source.
</p>

@return The security group for the load balancer, which you can use as part of your inbound rules for your
        registered instances. To only allow traffic from load balancers, add a security group rule that specifies
        this source security group as the inbound source.
aws-java-sdk-elasticloadbalancing/src/main/java/com/amazonaws/services/elasticloadbalancing/model/LoadBalancerDescription.java