@Override
	public MarkerOverviewProvider createOverviewProvider() {
		MarkerOverviewProvider provider = new MarkerOverviewProvider(owner, tool, this);
		overviewProviders.add(provider);
		return provider;
	}
Buffers requests to repaint and notify of marker changes
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/marker/MarkerManager.java