private Map<PathKey, HelpFile> getPathHelpFileMap() {
		if (pathToHelpFileMap == null) {
			pathToHelpFileMap = new HashMap<>();
			for (HelpModuleLocation location : helpLocations) {
				Collection<HelpFile> helpFiles = location.getHelpFiles();
				for (HelpFile helpFile : helpFiles) {
					PathKey entry = new PathKey(helpFile.getRelativePath());
					pathToHelpFileMap.put(entry, helpFile);
				}
			}
		}
		return pathToHelpFileMap;
	}
Creates a help module collection that assumes zero or more pre-built help jar files and
one help directory that is an input into the help building process.
@param locations the locations from which to get help
@return the help collection
Ghidra/Framework/Help/src/main/java/help/validator/location/HelpModuleCollection.java