(id, metadata)

(swarmId,error)

(swarmId , numOfSeedersInSwarm , NumOfPeersInSwarm, totalCompletedDownloads)

(req, res, next)

(a,b,c)

(a,b,c,d,e)

()

()

(evt)

(evt)

(evt)

(evt)

()

(expiredId)

()

()

()

()

()

(fileInfo)

(evt)

(evt)

()

(buffer, index, length)

(buffer, index, length)

(message)

(message)

(e)

(buffer, index, length)

(message)

(buffer, index, length)

(message)

(buffer, index, length)

(message)

(buffer, index, length)

(message)

(object, title)

()

(fileInfo)

(Msg, finalState)

(Msg, finalState)

(e)

()