org.apache.cassandra.gms
Interfaces 
FailureDetectorMBean
IEndPointStateChangePublisher
IEndPointStateChangeSubscriber
IFailureDetectionEventListener
IFailureDetector
IFailureNotification
Classes 
ApplicationState
EndPointState
FailureDetector
GossipDigest
Gossiper
Gossiper.GossipDigestAck2VerbHandler
Gossiper.GossipDigestAckVerbHandler
Gossiper.GossipDigestSynVerbHandler
Gossiper.JoinVerbHandler
VersionGenerator