IAttributeSelectorFactory Represents a factory for attribute selectors.

 ICommandProvider Represents a provider to get document commands.

 IContextFactory Defines methods to create or find browsing contexts.

 ICookieProvider Defines methods to retrieve and store cookies.

 IDocumentFactory Represents the factory for creating documents from responses.

 IEncodingProvider Represents a service to determine the default encoding.

 IEntityProvider Defines methods to create a custom entity service.

 IEventFactory Represents a factory to create event data.

 IIntegrityProvider Defines the methods to perform an integrity check.

 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.

 IScriptingProvider Defines the methods to access available script engines.

 IServiceFactory Represents the factory to create arbitrary (third-party) services.

 ISpellCheckService Provides a spell correction service.

 IStylingProvider Defines the methods to access available style engines.