org.apache.commons.vfs2
Interfaces 
FileContent
FileContentInfo
FileContentInfoFactory
FileFilter
FileListener
FileMonitor
FileName
FileObject
FilesCache
FileSelectInfo
FileSelector
FileSystem
FileSystemManager
RandomAccessContent
UserAuthenticator
Classes 
AllFileSelector
FileChangeEvent
FileDepthSelector
FileFilterSelector
FileSystemConfigBuilder
FileSystemOptions
FileTypeSelector
FileUtil
Selectors
UserAuthenticationData
UserAuthenticationData.Type
VFS
VfsLog
Enums 
CacheStrategy
Capability
FileType
NameScope
Exceptions 
FileNotFolderException
FileNotFoundException
FileSystemException
FileTypeHasNoContentException