IAttributeSelectorFactory Represents a factory for attribute selectors.

 IAudioService Represents a service to create a sound player.

 IClipboardService Defines methods to manipulate the clipboard.

 ICommandService Represents a service to execute UI commands on a document.

 IContextService Defines methods to create or find browsing contexts.

 ICookieService Defines methods to evaluate and store cookies.

 IEncodingService Represents a service to determine the default encoding.

 IEntityService Defines methods to create a custom entity service.

 IEventFactory Represents a factory to create event data.

 IEventService Defines methods to create event loops.

 IHistoryService Defines methods to create history instances.

 IImageService Represents a service to create / inspect an image.

 ILoaderService Represents a service to create loaders.

 INavigatorService Defines methods to create INavigator instances.

 IObjectService Represents a service to create a video player.

 IPseudoClassSelectorFactory Represents a factory for pseudo-class selectors.

 IPseudoElementSelectorFactory Represents a factory for pseudo-element selectors.

 IRenderingService Represents a service for creating rendering contexts.

 IResourceService`1 Represents a service to create a specific resource handler.

 IScriptingService Defines the methods to access available script engines.

 IService Defines the basic interface for a common service.

 ISpellCheckService Provides a spell correction service.

 IStylingService Defines the methods to access available style engines.

 IVideoService Represents a service to create a video player.

 IWindowService Defines methods to create IWindow instances.