tasks          []*trace.UserTaskSummary
}

// setTask sets a task to focus on.
func (opts *genOpts) setTask(parsed *parsedTrace, task *trace.UserTaskSummary) {
	opts.mode |= traceviewer.ModeTaskOriented
	if task.Start != nil {
		opts.startTime = task.Start.Time().Sub(parsed.startTime())

        pathTo(edge, new ArrayList<>(), acc, new HashSet<>());
        List<String> result = Lists.newArrayListWithCapacity(acc.size());
        for (List<EdgeState> path : acc) {
            EdgeState target = Iterators.getLast(path.iterator());
            StringBuilder sb = new StringBuilder();
            if (target.getSelector().getDependencyMetadata().isConstraint()) {
                sb.append("Constraint path ");
            } else {