internal ReleaseBuilder(IFileSystem fileSystem, IReleasesClient client, 
     ReleaseSettings settings, ReleaseFileSettings fileSettings)
 {
     _fileSystem = fileSystem;
     _releasesClient = client;
     Settings = settings;
     FileSettings = fileSettings;
 }
 public ReleaseBuilder StartRelease(ReleaseSettings settings, ReleaseFileSettings fileSettings)
 {
     return new ReleaseBuilder(_fileSystem, Client.Release, settings, fileSettings);
 }