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

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - <any>
    - com.google.appengine.api.users.IUserServiceFactoryProvider
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - com.google.appengine.api.users.UserServiceFailureException
  - com.google.appengine.api.users.User (implements java.lang.Comparable<T>, java.io.Serializable)
  - com.google.appengine.api.users.UserServiceFactory

## Interface Hierarchy

- com.google.appengine.api.users.IUserServiceFactory
- com.google.appengine.api.users.UserService