MetricSetBindingNode Constructor
        
 Initializes the node. Called during construction.
 
         
        Parameters
        
            - adapter
            
 
            - 
                
Type: dundas.view.controls.Adapter
The adapter that this node represents. 
            - showCheckBox
            
 
            - 
                
Type: Boolean
(optional) Whether this node should show checkboxes.
Optional: True