/**
* @param boolean $is_final
* @return $this
*/
public function setFinal($is_final)
{
if ($is_final) {
if (!isset($this->final)) {
$this->final = Token::_final();
$this->prepend([$this->final, Token::space()]);
$this->setAbstract(FALSE);
}
} else {
if (isset($this->final)) {
// Remove whitespace.
$this->final->next()->remove();
// Remove final.
$this->final->remove();
}
}
return $this;
}
