org.knime.core.util
Interfaces 
EncryptionKeySupplier
FileUtil.ZipFileFilter
Classes 
DuplicateChecker
FilelistAccessory
FileLocker
FileReaderFileFilter
FileUtil
KnimeEncryption
KNIMETimer
LogfileAppender
MutableBoolean
MutableDouble
MutableInteger
NoSelectionListSelectionModel
ObjectPool
Pair
Pointer
SimpleFileFilter
ThreadPool
Exceptions 
DuplicateKeyException