function addBridgeItem($time_spent_id, $library_id)
 {
     return parent::_addBridgeItem($this->joinTable, $this->joinCols, $time_spent_id, $library_id);
 }
 function addBridgeItem($patron_type_id, $library_id)
 {
     return parent::_addBridgeItem($this->joinTable, $this->joinCols, $patron_type_id, $library_id);
 }
 function addBridgeItem($question_format_id, $library_id)
 {
     return parent::_addBridgeItem($this->joinTable, $this->joinCols, $question_format_id, $library_id);
 }