nextcloud / circles

			$event->getData()->sInt('config', $config);

		}

		if ($circle->isConfig(Circle::CFG_REQUEST, $config)

			&& !$circle->isConfig(Circle::CFG_REQUEST)

			&& !$circle->isConfig(Circle::CFG_OPEN, $config)) {

			$config += Circle::CFG_OPEN;

			$event->getData()->sInt('config', $config);

		}

		if (!$circle->isConfig(Circle::CFG_ROOT, $config)

			&& $circle->isConfig(Circle::CFG_ROOT)

			$event->getData()->sInt('config', $config);

		}

		if ($circle->isConfig(Circle::CFG_FEDERATED, $config)

			&& !$circle->isConfig(Circle::CFG_FEDERATED)

			&& !$circle->isConfig(Circle::CFG_ROOT, $config)) {

			$config += Circle::CFG_ROOT;

			// TODO: Check locally that circle is not a member of another circle.

			// TODO  in that case, remove the membership (and update the memberships)

			$event->getData()->sInt('config', $config);

			$event->getData()->sBool('broadcastAsFederated', true);

		}

		if (!$confirmed || $config > Circle::$DEF_CFG_MAX) {

			throw new FederatedItemBadRequestException('Configuration value is not valid');