code: public static BaasResult<BaasStream> streamImageAssetSync(String id, int sizeId) {
          return BaasAsset.doStreamSync(id, null, sizeId);
      }
docs: Synchronously streams the asset.
  
  @param id     the name of the asset to download
  @param sizeId the size index if the asset is an image
  @return a {@link com.baasbox.android.BaasStream} wrapped in a result