public BackupEngine(IEnumerable <IBackupSource> backupSources, ICompressData compressor, IEnumerable <IStorageSource> storageSource, IBackupEngineSettings settings, ILogger logger)
 {
     _backupSources = backupSources;
     _compressor    = compressor;
     _storageSource = storageSource;
     _settings      = settings;
     _logger        = logger;
 }
 public BackupEngine(IEnumerable<IBackupSource> backupSources, ICompressData compressor, IEnumerable<IStorageSource> storageSource, IBackupEngineSettings settings, ILogger logger)
 {
     _backupSources = backupSources;
     _compressor = compressor;
     _storageSource = storageSource;
     _settings = settings;
     _logger = logger;
 }