public function addSimpleDescParameter($name, $type = null, $typeDescription = null, $defaultValue = null)
{
$parameter = new PhpParameter($name);
$parameter->setType($type);
$parameter->setTypeDescription($typeDescription);
if (3 < func_num_args() == 3) {
$parameter->setValue($defaultValue);
}
$this->addParameter($parameter);
return $this;
}