The court may order that some or all of the members of the public be excluded from the courtroom in which any of the following persons is giving evidence in a proceeding:
(a) for a child proceeding--a child witness;
(b) for a vulnerable adult proceeding--a vulnerable adult complainant;
(c) for a special witness proceeding--a special witness for whom an order under subsection 15YAB(3) is in force for this section.