com.atlassian.jira.cluster
Interfaces 
ClusterManager
ClusterServicesManager
ClusterServicesRegistry
FailoverProperties
MessageHandler
NodeStateManager
NodeStateService
Classes 
ClusterMessage
DefaultClusterManager
DefaultClusterServicesManager
DefaultClusterServicesRegistry
DefaultNodeStateManager
DefaultNodeStateService
FailoverPropertiesImpl
Message
Node
OfBizClusterMessageStore
OfBizClusterNodeStore
OfBizMessageHandlerService
Enums 
Message.MessageType
Node.NodeState
Exceptions 
ClusterStateException
NotClusteredException
Annotation Types 
ClusterSafe