How to get combobox from handler change event method?

I have several GXT SimpleComboBoxes to which I've added a ValueChangeHandler.  

        combo1.addValueChangeHandler( new ValueChangeHandler<String>() {                  @Override              public void onValueChange( ValueChangeEvent<String> event ) {                  ...              }          });

Is there a way to get the combo box (here, "combo1") that the handler is responding to from within onValueChange() ?  Basically, I'm going to be adding the same handler to many combo boxes, and I want to be able to figure out which one I have and do stuff to them after the user makes a selection.

Thanks for any suggestions.

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