code: public java.util.List<DBSecurityGroup> getDBSecurityGroups() {
          if (dBSecurityGroups == null) {
              dBSecurityGroups = new com.amazonaws.internal.SdkInternalList<DBSecurityGroup>();
          }
          return dBSecurityGroups;
      }
docs: <p>
  A list of <a>DBSecurityGroup</a> instances.
  </p>
  
  @return A list of <a>DBSecurityGroup</a> instances.