private void loadHelpSets() {

		Map<ResourceFile, Set<URL>> helpSetsByModule = findHelpSetsByModule();
		Set<Entry<ResourceFile, Set<URL>>> entries = helpSetsByModule.entrySet();
		for (Entry<ResourceFile, Set<URL>> entry : entries) {
			ResourceFile module = entry.getKey();
			Set<URL> moduleHelpSets = entry.getValue();
			for (URL url : moduleHelpSets) {
				try {
					addHelpSet(url, new GHelpClassLoader(module));
				}
				catch (HelpSetException e) {
					Msg.error(this, "Unexpected Exception Loading HelpSet: " + e.getMessage(), e);
				}
			}
		}
	}
The hardcoded value to use for all HelpSet 'home id' values.  Subclasses may change this 
value by overriding {@link #getHomeId()}.
Ghidra/Features/Base/src/main/java/ghidra/base/help/GhidraHelpService.java