52     private $pubReference;  variable in GTTimeSignature
127                     $pubReference = array();
130                         array_push($pubReference, $item->getValue());
133                     $this->pubReference = $pubReference;
172         if ($this->pubReference !== null) {
176             foreach ($this->pubReference as $item) {
213         if (!empty($this->pubReference)) {
214             foreach ($this->pubReference as $reference) {
308         return $this->pubReference;
314      * @param  array $pubReference pub reference
317     public function setPubReference($pubReference) {  argument
318         $this->pubReference = $pubReference;