for (ResolvedModule resolvedModule : cf.modules()) {

            ModuleReference mref = resolvedModule.reference();

            ModuleDescriptor descriptor = mref.descriptor();

            String name = descriptor.name();

            URI uri = mref.location().orElse(null);

            ClassLoader loader = moduleToLoader.get(resolvedModule.name());

            Module m;

            if (loader == null && name.equals("java.base")) {

                // java.base is already defined to the VM

                m = Object.class.getModule();

            } else {

                m = new Module(layer, loader, descriptor, uri);

            }

            nameToModule.put(name, m);

            moduleToLoader.put(name, loader);

        }