ADMINISTRATIVE LAW - RIGHT TO INFORMATION - REFUSAL OF ACCES - EXEMPT INFORMATION - applicant seeks access to information concerning the identity of a complainant - whether disclosure could reasonably be expected to enable the existence or identity of a confidential source of information in relation to the enforcement or administration of the law, to be ascertained - whether information is exempt from disclosure under section 67(1) of the Information Privacy Act 2009 (Qld) and sections 47(3)(a) and 48 and schedule 3, section 10(1)(b) of the Right to Information Act 2009 (Qld)