public java.util.List<String> getVpcSecurityGroupIds() {
        return vpcSecurityGroupIds;
    }
<p>
A list of EC2 VPC security groups to associate with this DB instance.
</p>
<p>
Not applicable. The associated list of EC2 VPC security groups is managed by the DB cluster. For more
information, see <a>CreateDBCluster</a>.
</p>
<p>
Default: The default EC2 VPC security group for the DB subnet group's VPC.
</p>

@return A list of EC2 VPC security groups to associate with this DB instance.</p>
        <p>
        Not applicable. The associated list of EC2 VPC security groups is managed by the DB cluster. For more
        information, see <a>CreateDBCluster</a>.
        </p>
        <p>
        Default: The default EC2 VPC security group for the DB subnet group's VPC.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/CreateDBInstanceRequest.java