I don't need to test my programs. I have an error-correcting modem.

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Object >> Interface

Package: 

Core

Known direct subinterfaces:

CustomPropertyItemHandler, IAdvWebAdminSettings, IQueryHandler, ISessionHandler, ISession, IWebAdminAuth, IWebAdminUser, OnlineAccountInterface, OnlineContentInterface, OnlineGameInterface, OnlineNewsInterface, OnlinePlayerInterfaceEx, OnlinePlayerInterface, OnlineStatsInterface, OnlineSystemInterface, OnlineVoiceInterface, UIDataStoreSubscriber, UIEventContainer, UIListElementCellProvider, UIListElementProvider, UISettingsClient, UIStringRenderer, UIStyleResolver

The base class for all interfaces. Interface declarations without an explicit parent interface extend this class.

Technically this is a class extending class Object, but you should really treat interfaces as not being in the class hierarchy. Keep in mind that class limiters strictly limit a class reference according to the class hierarchy, not according to any implemented interfaces.