docs: function () {
              var ret;
              if (this.count <= this.__maxObjects && this.freeCount > 0) {
                  ret = this.__freeObjects.dequeue();
                  this.__inUseObjects.push(ret);
              } else if (this.count < this.__maxObjects) {
                  ret = this.createObject();
                  this.__inUseObjects.push(ret);
              }
              return ret;
          }