public XlsxImportingRepository(Stream stream, KeySwitchInfo info)
        {
            using var memory = new MemoryStream(InitialBufferSize);

            StreamHelper.ReadAllAndWrite(stream, memory);
            XlsxBytes = memory.ToArray();
            Info      = info;
        }
        public XlsxImportingRepository(FilePath xlsxFilePath, KeySwitchInfo info)
        {
            using var stream = new FileStream(xlsxFilePath.Path, FileMode.Open);
            using var memory = new MemoryStream(InitialBufferSize);

            StreamHelper.ReadAllAndWrite(stream, memory);
            XlsxBytes = memory.ToArray();
            Info      = info;
        }