private static int DecodeHuffmanCode(ref JpegBitReader reader, JpegHuffmanDecodingTable table)
        {
            int bits = reader.PeekBits(16, out int bitsRead);

            JpegHuffmanDecodingTable.Entry entry = table.Lookup(bits);
            bitsRead = Math.Min(entry.CodeSize, bitsRead);
            _        = reader.TryAdvanceBits(bitsRead, out _);
            return(entry.SymbolValue);
        }