docs: public void listRunningServices() {
          try {
              final List<String> formatedOutput =
                  SecurityContext.executeWithSystemPermissions(new Callable<List<String>>() {
                      @Override
                      public List<String> call() throws Exception {
                          List<String> tmp = new ArrayList<String>();
  
                          List<ServiceReference<Domain>> listServiceReferences =
                              osgiUtilsService.listServiceReferences(Domain.class);
                          for (ServiceReference<Domain> ref : listServiceReferences) {
                              Domain service = bundleContext.getService(ref);
                              tmp.add(OutputStreamFormater.formatValues(
                                  ref.getProperty(org.osgi.framework.Constants.SERVICE_PID).toString(), service
                                      .getAliveState().toString()));
                          }
                          return tmp;
                      }
                  });
              for (String s : formatedOutput) {
                  OutputStreamFormater.printValue(s);
              }
          } catch (ExecutionException ex) {
              ex.printStackTrace();
              System.err.println("Could not get services");
          }
      }