code: public java.util.List<AvailableProcessorFeature> getValidProcessorFeatures() {
          if (validProcessorFeatures == null) {
              validProcessorFeatures = new com.amazonaws.internal.SdkInternalList<AvailableProcessorFeature>();
          }
          return validProcessorFeatures;
      }
docs: <p>
  Valid processor features for your DB instance.
  </p>
  
  @return Valid processor features for your DB instance.