code: public DescribeDBSecurityGroupsResult withDBSecurityGroups(DBSecurityGroup... dBSecurityGroups) {
          if (this.dBSecurityGroups == null) {
              setDBSecurityGroups(new com.amazonaws.internal.SdkInternalList<DBSecurityGroup>(dBSecurityGroups.length));
          }
          for (DBSecurityGroup ele : dBSecurityGroups) {
              this.dBSecurityGroups.add(ele);
          }
          return this;
      }
docs: <p>
  A list of <a>DBSecurityGroup</a> instances.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setDBSecurityGroups(java.util.Collection)} or {@link #withDBSecurityGroups(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param dBSecurityGroups
  A list of <a>DBSecurityGroup</a> instances.
  @return Returns a reference to this object so that method calls can be chained together.