Table of Contents
- atk.Action - the ATK interface provided by UI components that the user
      can activate/interact with, 
- atk.Component - the ATK interface provided by UI components that occupy a
      physical area on the screen.  
- atk.Document - the ATK interface which allows access to a DOM associated
      with on object.  
- atk.EditableText - the ATK interface implemented by components containing
      user-editable text content.  
- atk.GObjectAccessible - this object class is derived from AtkObject and can be
      used as a basis implementing accessible objects.  
- atk.Hyperlink - An ATK object which encapsulates a link or set of links in a hypertext document.  
- atk.Hypertext - the ATK interface which provides standard mechanism for
      manipulating hyperlinks.  
- atk.Image - the ATK Interface implemented by components that expose
      image or pixmap content on-screen.  
- atk.Implementor - 
- atk.NoOpObject - an atk.Object
      which purports to implement all ATK interfaces.  
- atk.NoOpObjectFactory - the atk.ObjectFactory
      which creates an atk.NoOpObject.
      
- atk.Object - the base object class for the Accessibility Toolkit
      API.
- atk.ObjectFactory - the base object class for a factory used to create
      accessible objects for objects of a specific GType.  
- atk.Rectangle - an object holding data about a rectangle
- atk.Registry - an object used to store the GType of the factories used to
      create an accessible object for an object of a particular GType.
      
- atk.Relation - an object used to describe a relation between a object and
      one or more other objects.  
- atk.RelationSet - a set of atk.Relation
      objects, normally the set of atk.Relation
      objects that an atk.Object
      has.
- atk.Selection - the ATK interface implemented by container objects whose
      atk.Object
      children can be selected.  
- atk.StateSet - an atk.StateSet
      determines a component's state set.
- atk.StreamableContent - the ATK interface which provides access to streamable
      content.  
- atk.Table - the ATK interface implemented for UI components which
      contain tabular or row/column information.  
- atk.Text - the ATK interface implemented by components with text
      content.
- atk.Value - the ATK interface implemented by valuators and components
      which display or select a value from a bounded range of values.
      
- atk Constants - the built-in constants of the atk module