org.apache.hadoop.lib.service
Interfaces 
DelegationTokenManager
FileSystemAccess
FileSystemAccess.FileSystemExecutor
Groups
Instrumentation
Instrumentation.Cron
Instrumentation.Variable
ProxyUser
Scheduler
Classes 
DelegationTokenIdentifier
Enums 
DelegationTokenManagerException.ERROR
FileSystemAccessException.ERROR
Exceptions 
DelegationTokenManagerException
FileSystemAccessException