class AwsRDSPlatform extends Platform {

    public Collection<String> getVpcSecurityGroupIds (String dbInstanceIdentifier) {
        return amazonRDS.describeDBInstances(new DescribeDBInstancesRequest().withDBInstanceIdentifier(dbInstanceIdentifier))
                        .getDBInstances()
                        .stream()
                        .map(DBInstance::getVpcSecurityGroups)
                        .flatMap(Collection::stream)
                        .map(VpcSecurityGroupMembership::getVpcSecurityGroupId)
                        .collect(toSet());
    }

    @Autowired public  AwsRDSPlatform();
      AwsRDSPlatform(AmazonRDS amazonRDS, AmazonEC2 amazonEC2);

}