String getSingleBehaviorHandler(FacesContext facesContext,
UIComponent component, ClientBehavior clientBehavior,
Collection<Parameter> params, String behaviorEventName) {
ClientBehaviorContext bContext = createClientBehaviorContext(
facesContext, component, behaviorEventName, params);
String script = clientBehavior.getScript(bContext);
boolean preventDefault = (isSubmitting(clientBehavior) && isActionSourceComponent(component));