docs: public ConfigurationRequest getEnrichedRequestedConfiguration() {
          final Map<String, String> regularUsers = userService.loadAll().stream()
                  .collect(Collectors.toMap(User::getName, User::getName));
  
          final Map<String, String> userNames = ImmutableMap.<String, String>builder()
                  .put(graylogConfig.getRootUsername(), graylogConfig.getRootUsername())
                  .putAll(regularUsers)
                  .build();
  
          return getConfigurationRequest(userNames);
      }