Without limiting any action the court may take to limit the possible harm, or extent of the harm, likely to be caused by the disclosure of evidence of a protected confidence or protected identity information, the court may--
(a) order that all or part of the evidence be heard in camera, and
(b) make such orders relating to the suppression of publication of all or part of the evidence given before the court as, in its opinion, are necessary to protect the safety and welfare of the protected confider.