private List<String> getMarkerTooltipLines(int y, int x, int layoutIndex,
			Address layoutAddress) {
		Address endAddr = pixmap.getLayoutEndAddress(layoutIndex);
		return manager.getMarkerTooltipLines(program, y, layoutIndex, layoutAddress, endAddr);
	}
Panel to display markers. Normally placed to the left hand side of the scrolled
{@link FieldPanel}.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/marker/MarkerPanel.java