private void createMarkerManager(String owner) {
		markerManager = new ListingDisplayMarkerManager(tool, owner);
		markerManager.addChangeListener(e -> listingPanel.repaint());
		MarginProvider marginProvider = markerManager.getMarginProvider();
		listingPanel.addMarginProvider(marginProvider);
		OverviewProvider overviewProvider = markerManager.getOverviewProvider();
		listingPanel.addOverviewProvider(overviewProvider);
	}
Represents one side of a dual listing compare window. It holds the listing panel and
related state information for one side.
Ghidra/Features/Base/src/main/java/ghidra/features/base/codecompare/listing/ListingDisplay.java