void paintMarkers(Program program, Graphics g, VerticalPixelAddressMap pixmap,
			AddressIndexMap addrMap) {
		MarkerSetCacheEntry entry = markerSetCache.get(program);
		if (entry == null) {
			return;
		}
		entry.paintMarkers(g, pixmap, addrMap);
	}
Buffers requests to repaint and notify of marker changes
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/marker/MarkerManager.java