protected void processHighlightEvent(AbstractHighlightPluginEvent event) {
		ProgramSelection programSelection = event.getHighlight();
		setHighlight(programSelection);
	}
Called when the memory in the current program changes, from the domain object listener.
Ghidra/Features/ByteViewer/src/main/java/ghidra/app/plugin/core/byteviewer/ProgramByteViewerComponentProvider.java