public void indexSetChanged() {
		for (LayoutModelListener listener : listeners) {
			listener.modelSizeChanged(IndexMapper.IDENTITY_MAPPER);
		}
	}
Implements the LayoutModel for ByteViewer Components.
Ghidra/Features/ByteViewer/src/main/java/ghidra/app/plugin/core/byteviewer/ByteViewerLayoutModel.java