org.exist.util
Interfaces 
ByteArray
IndexCallback
Lock
Lockable
ProgressListener
Classes 
Arrays
ByteArrayPool
ByteConversion
CharArrayPool
CollectionScanner
Configuration
DirectoryScanner
DOMStreamer
FastByteBuffer
FastQSort
FastStringBuffer
FixedByteArray
Heap
IncludeXMLFilter
LongLinkedList
LongLinkedList.ListItem
MutableStringTokenizer
Occurrences
OrderedLinkedList
OrderedLongLinkedList
PorterStemmer
ProgressBar
ProgressIndicator
ReentrantReadWriteLock
SelectorUtils
StorageAddress
UTF8
VariableByteCoding
VariableByteInputStream
VariableByteOutputStream
XMLFilenameFilter
XMLString
XMLUtil
Exceptions 
DatabaseConfigurationException
LockException
ReadOnlyException
SyntaxException