code: public Set<List<String>> getPluginOpts() {
          String plugins = options.get(Option.PLUGIN);
          if (plugins == null)
              return Collections.emptySet();
  
          Set<List<String>> pluginOpts = new LinkedHashSet<>();
          for (String plugin: plugins.split("\\x00")) {
              pluginOpts.add(List.from(plugin.split("\\s+")));
          }
          return Collections.unmodifiableSet(pluginOpts);
      }
docs: Gets any options specifying plugins to be run.
  @return options for plugins