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[scriptable, uuid(746c7a02-f6c1-4869-b434-7c8b86e60e61)]

  
interface nsIContentPrefObserver : nsISupports








  
    
Methods

    

  
      

        
 Called when a content pref is removed.
 
 @param    aGroup      the group to which the pref belongs, or null
                       if it's a global pref (applies to all URIs)
 @param    aName       the name of the pref that was removed


        


  
  void
  onContentPrefRemoved(in AString aGroup, in AString aName)


      

  

  
      

        
 Called when a content pref is set to a different value.
 
 @param    aGroup      the group to which the pref belongs, or null
                       if it's a global pref (applies to all URIs)
 @param    aName       the name of the pref that was set
 @param    aValue      the new value of the pref


        


  
  void
  onContentPrefSet(in AString aGroup, in AString aName, in nsIVariant aValue)