docs: public static @Nullable Pair<Integer, Integer> decodeDimensions(InputStream is) {
      Preconditions.checkNotNull(is);
      ByteBuffer byteBuffer = DECODE_BUFFERS.acquire();
      if (byteBuffer == null) {
        byteBuffer = ByteBuffer.allocate(DECODE_BUFFER_SIZE);
      }
      BitmapFactory.Options options = new BitmapFactory.Options();
      options.inJustDecodeBounds = true;
      try {
        options.inTempStorage = byteBuffer.array();
        BitmapFactory.decodeStream(is, null, options);
  
        return (options.outWidth == -1 || options.outHeight == -1)
            ? null
            : new Pair<>(options.outWidth, options.outHeight);
      } finally {
        DECODE_BUFFERS.release(byteBuffer);
      }
    }