private Map<Object, HelpLocation> copyHelpLocations() {
		// we must copy the help locations, since we are in a background thread and the
		// locations map is frequently updated by the Swing thread
		return Swing.runNow(() -> new HashMap<>(helpLocations));
	}
Returns the master help set (the one into which all other help sets are merged).
@return the help set
Ghidra/Framework/Docking/src/main/java/docking/help/HelpManager.java