code: function VirtualTimeScheduler(initialClock, comparer) {
        this.clock = initialClock;
        this.comparer = comparer;
        this.isEnabled = false;
        this.queue = new PriorityQueue(1024);
        __super__.call(this);
      }
docs: Creates a new virtual time scheduler with the specified initial clock value and absolute time comparer.
  
  @constructor
  @param {Number} initialClock Initial value for the clock.
  @param {Function} comparer Comparer to determine causality of events based on absolute time.