code: public void resizeVolume(String volumeId, int newCdsSizeInGB) {
          this.resizeVolume(new ResizeVolumeRequest()
                  .withVolumeId(volumeId).withNewCdsSizeInGB(newCdsSizeInGB));
      }
docs: Resizing the specified volume with newly size.
  
  You can resize the specified volume only when the volume is Available,
  otherwise,it's will get <code>409</code> errorCode.
  
  The prepaid volume can not be downgrade.
  <p>
  This is an asynchronous interface,
  you can get the latest status by invoke {@link #getVolume(String)}
  
  @param volumeId The id of volume which you want to resize.
  @param newCdsSizeInGB The new volume size you want to resize in GB.