org.gudy.azureus2.core3.download
Interfaces 
DownloadManager
DownloadManagerActivationListener
DownloadManagerAvailability
DownloadManagerDiskListener
DownloadManagerInitialisationAdapter
DownloadManagerListener
DownloadManagerPeerListener
DownloadManagerPieceListener
DownloadManagerState
DownloadManagerStateAttributeListener
DownloadManagerStateEvent
DownloadManagerStateListener
DownloadManagerStats
DownloadManagerTPSListener
DownloadManagerTrackerListener
ForceRecheckListener
Classes 
DownloadManagerFactory
DownloadManagerStateFactory
Exceptions 
DownloadManagerException