public SwitchFilter addResponseCase(final Expression<Boolean> condition,final Handler handler){
  responseCases.add(new Case(condition,handler));
  return this;
}

public SwitchFilter addResponseCase ( final Expression < Boolean > condition , final Handler handler ) { responseCases . add ( new Case ( condition , handler ) ) ; return this ; }
add a response switch case with a condition and the handler to execute if condition yields .
