docs: @VisibleForTesting
    @Nullable
    static CloseableReference<Bitmap> convertToBitmapReferenceAndClose(
        final @Nullable CloseableReference<CloseableImage> closeableImage) {
      try {
        if (CloseableReference.isValid(closeableImage) &&
            closeableImage.get() instanceof CloseableStaticBitmap) {
  
          CloseableStaticBitmap closeableStaticBitmap = (CloseableStaticBitmap) closeableImage.get();
          if (closeableStaticBitmap != null) {
            // We return a clone of the underlying bitmap reference that has to be manually closed
            // and then close the passed CloseableStaticBitmap in order to preserve correct
            // cache size calculations.
            return closeableStaticBitmap.cloneUnderlyingBitmapReference();
          }
        }
        // Not a bitmap reference, so we return null
        return null;
      } finally {
        CloseableReference.closeSafely(closeableImage);
      }
    }