public UpdateReleaseRepositoryService(IReleaseFeedProvider releaseFeedProvider, IReleasePersistencyProvider releasePersistencyProvider)
 { 
     _releaseFeedProvider = releaseFeedProvider;
     _releasePersistencyProvider = releasePersistencyProvider;
 }
 public RefreshReleaseRepositoryService(IReleaseFeedProvider releaseFeedProvider, IReleasePersistencyProvider releasePersistencyProvider)
 {
     _releaseFeedProvider        = releaseFeedProvider;
     _releasePersistencyProvider = releasePersistencyProvider;
 }