atk.NoOpObject — an atk.Object
      which purports to implement all ATK interfaces.  
atk.Component Signal Prototypes
atk.Hypertext Signal Prototypes
An atk.NoOpObject
    is an atk.Object which
    purports to implement all ATK interfaces. It is the type of atk.Object that
    is created if an accessible object is requested for an object type for
    which no factory type is specified.
    atk.NoOpObject(obj)| 
 | a gobject.GObject | 
| Returns : | a default (non-functioning stub) atk.Object | 
Provides a default (non-functioning stub) atk.Object.
      Application maintainers should not use this method.