code: public void initialize(InputSplit split, ImageTransform imageTransform) throws IOException {
          this.imageLoader = null;
          this.imageTransform = imageTransform;
          initialize(split);
      }
docs: Called once at initialization.
  
  @param split          the split that defines the range of records to read
  @param imageTransform the image transform to use to transform images while loading them
  @throws java.io.IOException