docs: public OrderableDBInstanceOption withAvailableProcessorFeatures(AvailableProcessorFeature... availableProcessorFeatures) {
          if (this.availableProcessorFeatures == null) {
              setAvailableProcessorFeatures(new com.amazonaws.internal.SdkInternalList<AvailableProcessorFeature>(availableProcessorFeatures.length));
          }
          for (AvailableProcessorFeature ele : availableProcessorFeatures) {
              this.availableProcessorFeatures.add(ele);
          }
          return this;
      }