public static function getConfiguration(array $repositories)
	{
		$config = [[], [], []];
		foreach ($repositories as $name => $repository) {
			/** @var string $className */
			$className = is_object($repository) ? get_class($repository) : $repository;
			$config[0][$className] = true;
			$config[1][$name] = $className;
			foreach ($repository::getEntityClassNames() as $entityClassName) {
				$config[2][$entityClassName] = $className;
			}
		}
		return $config;
	}