public static Collection<ResourceFile> getLibraryDirectories() {
		checkAppInitialized();
		return ModuleUtilities.getModuleLibDirectories(app.layout.getModules().values());
	}
Returns a collection of module library directories. Library directories are optional for a module.
@return a collection of module library directories.
@see ModuleUtilities#getModuleLibDirectories(Collection)
Ghidra/Framework/Generic/src/main/java/ghidra/framework/Application.java