public function paintGroupStart($message, $size)
    {
        parent::paintGroupStart($message, $size);
        $node = new TreemapNode('Group', $message);
        $this->_stack->push($node);
    }
public function paintGroupStart($message, $size)
    {
        parent::paintGroupStart($message, $size);
        $node = new TreemapNode('Group', $message);
        $this->_stack->push($node);
    }
public function paintGroupStart ( $ message , $ size ) { parent :: paintGroupStart ( $ message , $ size ) ; $ node = new TreemapNode ( 'Group' , $ message ) ; $ this -> _stack -> push ( $ node ) ; }
acceptor for start of test group node
acceptor for start of test group node