protected DomainObjectEventQueues isSymbolVisible(TraceAddressSpace space, TraceSymbol symbol) {
		// NB. Most symbols do not occlude each other
		DomainObjectEventQueues queues = getEventQueues(space);
		if (queues == null) {
			return null;
		}
		if (!(symbol instanceof TraceSymbolWithLifespan)) {
			return queues;
		}
		TraceSymbolWithLifespan symWl = (TraceSymbolWithLifespan) symbol;
		return isSymbolWithLifespanVisible(symWl, symWl.getLifespan()) ? queues : null;
	}
Fires object-restored event on this view and all associated register views.
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/program/DBTraceProgramView.java