DefaultAclManager.addAclStatement: redundant check for null

private static void addAclStatement(Formatter formatter, String systemUser, List<AccessControlEntry> authorizations) {
        if (authorizations == null || areEmpty(authorizations)) {
            return;
        }
        [...]

private static boolean areEmpty(List<AccessControlEntry> authorizations) {
        return authorizations == null || authorizations.isEmpty();
    }