# Hierarchy For Package com.apple.foundationdb.directory

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - com.apple.foundationdb.directory.DirectoryLayer (implements com.apple.foundationdb.directory.Directory)
  - com.apple.foundationdb.directory.PathUtil
  - com.apple.foundationdb.subspace.Subspace
    - com.apple.foundationdb.directory.DirectorySubspace (implements com.apple.foundationdb.directory.Directory)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - com.apple.foundationdb.directory.DirectoryException
          - com.apple.foundationdb.directory.DirectoryAlreadyExistsException
          - com.apple.foundationdb.directory.MismatchedLayerException
          - com.apple.foundationdb.directory.NoSuchDirectoryException
        - com.apple.foundationdb.directory.DirectoryMoveException
        - com.apple.foundationdb.directory.DirectoryVersionException

## Interface Hierarchy

- com.apple.foundationdb.directory.Directory