net.i2p.util
Interfaces 
Clock.ClockUpdateListener
EventDispatcher
I2PThread.OOMEventListener
SimpleTimer.TimedEvent
Classes 
ByteCache
CachingByteArrayOutputStream
Clock
Copy
DecayingBloomFilter
Delete
EventDispatcherImpl
Exec
FileUtil
HexDump
HTTPSendData
I2PThread
Log
LogConsoleBuffer
LogLimit
LogManager
LogRecord
LogRecordFormatter
LogSettings
LogWriter
NativeBigInteger
OrderedProperties
RandomSource
ShellCommand
SimpleTimer