code: public void setVpcSecurityGroupIds(java.util.Collection<String> vpcSecurityGroupIds) {
          if (vpcSecurityGroupIds == null) {
              this.vpcSecurityGroupIds = null;
              return;
          }
  
          this.vpcSecurityGroupIds = new com.amazonaws.internal.SdkInternalList<String>(vpcSecurityGroupIds);
      }
docs: <p>
  A list of EC2 VPC security groups to authorize on this DB instance. This change is asynchronously applied as soon
  as possible.
  </p>
  <p>
  <b>Amazon Aurora</b>
  </p>
  <p>
  Not applicable. The associated list of EC2 VPC security groups is managed by the DB cluster. For more
  information, see <a>ModifyDBCluster</a>.
  </p>
  <p>
  Constraints:
  </p>
  <ul>
  <li>
  <p>
  If supplied, must match existing VpcSecurityGroupIds.
  </p>
  </li>
  </ul>
  
  @param vpcSecurityGroupIds
  A list of EC2 VPC security groups to authorize on this DB instance. This change is asynchronously applied
  as soon as possible.</p>
  <p>
  <b>Amazon Aurora</b>
  </p>
  <p>
  Not applicable. The associated list of EC2 VPC security groups is managed by the DB cluster. For more
  information, see <a>ModifyDBCluster</a>.
  </p>
  <p>
  Constraints:
  </p>
  <ul>
  <li>
  <p>
  If supplied, must match existing VpcSecurityGroupIds.
  </p>
  </li>