org.apache.lucene.store
Classes 
BufferedIndexInput
BufferedIndexOutput
ChecksumIndexInput
ChecksumIndexOutput
Directory
FileSwitchDirectory
FSDirectory
FSDirectory.FSIndexOutput
FSLockFactory
IndexInput
IndexOutput
Lock
Lock.With
LockFactory
LockStressTest
LockVerifyServer
MMapDirectory
NativeFSLockFactory
NIOFSDirectory
NIOFSDirectory.NIOFSIndexInput
NoLockFactory
RAMDirectory
RAMFile
RAMOutputStream
SimpleFSDirectory
SimpleFSDirectory.SimpleFSIndexInput
SimpleFSDirectory.SimpleFSIndexInput.Descriptor
SimpleFSLockFactory
SingleInstanceLockFactory
VerifyingLockFactory
Exceptions 
AlreadyClosedException
LockObtainFailedException
LockReleaseFailedException
NoSuchDirectoryException