TransformPlaceholderDialog.show Method
        
 Tells the dialog to show itself. Those overriding can call this._super() to get a deferred object created for them.
 
         
        Parameters
        
            - viewModel
            
 
            - 
                
Type: TransformDialogViewModel
A transform dialog view model which contains the list of placeholders. 
        
        Return Value
        
Type: jQuery.Promise
        
Value: Object
        
A promise object that is resolved when the dialog is complete,
 or rejected if it's canceled. The dialog may return some specific information in the deferred.