code: public ValidStorageOptions withStorageSize(Range... storageSize) {
          if (this.storageSize == null) {
              setStorageSize(new java.util.ArrayList<Range>(storageSize.length));
          }
          for (Range ele : storageSize) {
              this.storageSize.add(ele);
          }
          return this;
      }
docs: <p>
  The valid range of storage in gibibytes. For example, 100 to 16384.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setStorageSize(java.util.Collection)} or {@link #withStorageSize(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param storageSize
  The valid range of storage in gibibytes. For example, 100 to 16384.
  @return Returns a reference to this object so that method calls can be chained together.