protected function trace($message)
    {
        $item = new StackTraceItem($this->getComponent(), $message);
        $this->stackTrace->push($item);
    }
protected function trace($message)
    {
        $item = new StackTraceItem($this->getComponent(), $message);
        $this->stackTrace->push($item);
    }
protected function trace ( $ message ) { $ item = new StackTraceItem ( $ this -> getComponent ( ) , $ message ) ; $ this -> stackTrace -> push ( $ item ) ; }
Add an entry in the stack trace about the QtiComponent being
processed.

@param string $message A trace message.
Add an entry in the stack trace about the QtiComponent being processed .