code: public java.util.List<String> getSupportedFeatureNames() {
          if (supportedFeatureNames == null) {
              supportedFeatureNames = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return supportedFeatureNames;
      }
docs: <p>
  A list of features supported by the DB engine. Supported feature names include the following.
  </p>
  <ul>
  <li>
  <p>
  s3Import
  </p>
  </li>
  </ul>
  
  @return A list of features supported by the DB engine. Supported feature names include the following. </p>
  <ul>
  <li>
  <p>
  s3Import
  </p>
  </li>