public void setModel(SingleSelectionModel model)
public void setModel(SingleSelectionModel m)
  public void setModel(SingleSelectionModel model)  {    if (model != this.model)      {	SingleSelectionModel oldModel = this.model;	this.model.removeChangeListener(changeListener);	this.model = model;	this.model.addChangeListener(changeListener);	firePropertyChange("model", oldModel, this.model);      }  }