Axis.onMetricSetChanged Method
        
 Notifies the adapter that one of its metric sets has been changed.  The adapter or the view may
 perform additional tasks in response.
 
         
        Parameters
        
            - oldMetricSet
            
 
            - 
                
Type: MetricSet - May be null
The previous metric set. 
            - metricSet
            
 
            - 
                
Type: MetricSet
The metric set. 
        
        Return Value
        
Type: jQuery.Promise
        
Value: dundas.entities.MetricSet
        
A promise object that is resolved when the action is finished.