WsdlToPhp\PackageGenerator\Model\Struct::getTopInheritance PHP Method

    public function getTopInheritance()
    {
        $inheritance = $this->getInheritance();
        if (!empty($inheritance)) {
            $struct = $this->getInheritanceStruct();
            while ($struct instanceof Struct) {
                $structInheritance = $struct->getInheritance();
                if (!empty($structInheritance)) {
                    $inheritance = $structInheritance;
                }
                $struct = $struct->getInheritanceStruct();
            }
        }
        return $inheritance;
    }