docs: public ValidStorageOptions withIopsToStorageRatio(DoubleRange... iopsToStorageRatio) {
          if (this.iopsToStorageRatio == null) {
              setIopsToStorageRatio(new com.amazonaws.internal.SdkInternalList<DoubleRange>(iopsToStorageRatio.length));
          }
          for (DoubleRange ele : iopsToStorageRatio) {
              this.iopsToStorageRatio.add(ele);
          }
          return this;
      }