code: function takeGlobalQueue() {
              //Push all the globalDefQueue items into the context's defQueue
              if (globalDefQueue.length) {
                  //Array splice in the values since the context code has a
                  //local var ref to defQueue, so cannot just reassign the one
                  //on context.
                  apsp.apply(defQueue,
                             [defQueue.length - 1, 0].concat(globalDefQueue));
                  globalDefQueue = [];
              }
          }
docs: Internal method to transfer globalQueue items to this context's
  defQueue.