org.apache.lucene.store
Classes 
BufferedIndexInput
BufferedIndexOutput
ByteArrayDataInput
ByteArrayDataOutput
ChecksumIndexInput
ChecksumIndexOutput
DataInput
DataOutput
DirectIOLinuxDirectory
Directory
FileSwitchDirectory
FSDirectory
FSDirectory.FSIndexOutput
FSLockFactory
IndexInput
IndexOutput
InputStreamDataInput
Lock
Lock.With
LockFactory
LockStressTest
LockVerifyServer
MMapDirectory
NativeFSLockFactory
NativePosixUtil
NIOFSDirectory
NIOFSDirectory.NIOFSIndexInput
NoLockFactory
NRTCachingDirectory
OutputStreamDataOutput
RAMDirectory
RAMFile
RAMInputStream
RAMOutputStream
SimpleFSDirectory
SimpleFSDirectory.SimpleFSIndexInput
SimpleFSDirectory.SimpleFSIndexInput.Descriptor
SimpleFSLockFactory
SingleInstanceLockFactory
VerifyingLockFactory
WindowsDirectory
WindowsDirectory.WindowsIndexInput
Exceptions 
AlreadyClosedException
LockObtainFailedException
LockReleaseFailedException
NoSuchDirectoryException