public function setDefault(): void
	{
		$repo = $this->getRepository();
		$locales = $repo->findAll();
		foreach ($locales as $locale) {
			/* @var $locale self */
			$locale->default = false;
			$repo->persist($locale);
		}
		$this->default = true;
		$repo->persist($this);
		$repo->flush();
	}