code: function Deferred(clone) {
        var deferred = this;
        if (!(deferred instanceof Deferred)) {
          return new Deferred(clone);
        }
        deferred.benchmark = clone;
        clock(deferred);
      }
docs: The Deferred constructor.
  
  @constructor
  @memberOf Benchmark
  @param {Object} clone The cloned benchmark instance.