docs: function(event, queue, visited) {
        event.outFlowEvents.forEach(function(outflow) {
          if ((outflow.category === POSTTASK_FLOW_EVENT ||
              outflow.category === IPC_FLOW_EVENT) &&
              outflow.endSlice) {
            this.associatedEvents_.push(outflow);
  
            var nextEvent = outflow.endSlice.mostTopLevelSlice;
            if (!visited.contains(nextEvent)) {
              visited.push(nextEvent);
              queue.push(nextEvent);
            }
          }
        }, this);
      }