public java.util.List<SecurityGroupRuleDescription> getSecurityGroupRuleDescriptions() {
        if (securityGroupRuleDescriptions == null) {
            securityGroupRuleDescriptions = new com.amazonaws.internal.SdkInternalList<SecurityGroupRuleDescription>();
        }
        return securityGroupRuleDescriptions;
    }
<p>
The description for the ingress security group rules. You must specify either a description or IP permissions.
</p>

@return The description for the ingress security group rules. You must specify either a description or IP
        permissions.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/UpdateSecurityGroupRuleDescriptionsIngressRequest.java