code: private Stream<Map<Archive, Set<String>>> dependenceStream() {
          return deps.keySet().stream()
                     .filter(source -> !source.getModule().isNamed()
                              || configuration.rootModules().contains(source))
                     .map(deps::get);
      }
docs: /*
  Returns a stream of dependence map from an Archive to the set of JDK
  internal APIs being used.