public function getIndirectSubClasses()
{
$subClasses = [];
foreach ($this->getParsedClasses() as $class) {
if ($class->isDocumented() && $this->getName() !== $class->getParentClassName() && $class->isSubclassOf($this->getName())) {
$subClasses[] = $class;
}
}
uksort($subClasses, 'strcasecmp');
return $subClasses;
}