/**
  * @internal
  */
 private function serializeSources()
 {
     foreach ($this->object->iterateSource() as $source) {
         $this->string .= (string) $source;
     }
 }
 /**
  * @internal
  * @throws \InvalidArgumentException
  * @throws \LTDBeget\sphinx\configurator\exceptions\SectionException
  * @throws \LogicException
  */
 private function serializeSource()
 {
     foreach ($this->objectConfiguration->iterateSource() as $source) {
         $this->arrayConfiguration[] = $source->toArray();
     }
 }