public TraceThread getEventThread(Trace trace) {
		TraceSnapshot snapshot = trace.getTimeManager().getSnapshot(snap, false);
		return snapshot == null ? null : snapshot.getEventThread();
	}
Get the event thread for this schedule in the context of the given trace

<p>
This is the thread stepped when no thread is specified for the first step of the sequence.

@param trace the trace containing the source snapshot and threads
@return the thread to use as "last thread" for the sequence
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/model/time/schedule/TraceSchedule.java