THttpResponseAdapter allows the base http response class to change behavior without change the class hierarchy.
Since: 3.0
Inheritance: extends Prado\TApplicationComponent
 /**
  * Flushes the contents in the writers.
  */
 public function flushContent()
 {
     foreach ($this->_writers as $writer) {
         echo $writer->flush();
     }
     parent::flushContent();
 }