nextcloud / circles

		// remove all remote members

		$this->membersRequest->removeContactMembers($davCard->getContactId(), Member::TYPE_CONTACT);

		// remove local members with different userid and deprecated circles

		foreach ($this->membersRequest->getLocalContactMembers($davCard->getContactId()) as $member) {

			if ($member->getUserId() !== $userId || !in_array($member->getCircleId(), $circles)

			) {

				$this->membersRequest->removeMember($member);

			}

		}

		// generate members

		$members = [];

		// remove all local members

		$this->membersRequest->removeContactMembers($davCard->getContactId(), Member::TYPE_USER);

		// remove deprecated mail address & deprecated circles

		foreach ($this->membersRequest->getMembersByContactId($davCard->getContactId()) as $member) {

			if (!in_array($member->getUserId(), $davCard->getEmails())

				|| !in_array($member->getCircleId(), $circles)

			) {

				$this->membersRequest->removeMember($member);

			}

		}

		$members = [];

		foreach ($davCard->getEmails() as $email) {