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

    public function getReservedMethodsInstance($filename = null)
    {
        $instance = StructReservedMethod::instance($filename);
        if ($this->isArray()) {
            $instance = StructArrayReservedMethod::instance($filename);
        }
        return $instance;
    }