@Override
	public boolean isValid() {
		List<VTProgramCorrelatorFactory> correlators = panel.getSelectedCorrelators();
		if (!correlators.isEmpty()) {
			return true;
		}
		return false;
	}
Wizard step for choosing which correlators to run when adding to an existing version
tracking session.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/wizard/add/CorrelatorChooserStep.java