# Hierarchy For Package com.google.appengine.api.files

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - com.google.appengine.api.files.AppEngineFile (implements java.io.Serializable)
  - com.google.appengine.api.files.BufferedFileReadChannelImpl (implements com.google.appengine.api.files.FileReadChannel)
  - com.google.appengine.api.files.Crc32c (implements java.util.zip.Checksum)
  - com.google.appengine.api.files.FileServiceFactory
  - com.google.appengine.api.files.FileStat
  - com.google.appengine.api.files.GSFileOptions
  - com.google.appengine.api.files.GSFileOptions.GSFileOptionsBuilder
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.io.IOException
        - com.google.appengine.api.files.FinalizationException
        - com.google.appengine.api.files.KeyOrderingException
        - com.google.appengine.api.files.LockException

## Interface Hierarchy

- java.lang.AutoCloseable
  - java.io.Closeable
    - java.nio.channels.Channel
      - java.nio.channels.ReadableByteChannel
        - com.google.appengine.api.files.FileReadChannel
      - java.nio.channels.WritableByteChannel
        - com.google.appengine.api.files.FileWriteChannel
        - com.google.appengine.api.files.RecordWriteChannel
- com.google.appengine.api.files.FileService
- com.google.appengine.api.files.RecordReadChannel

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - com.google.appengine.api.files.AppEngineFile.FileSystem