code: @Restricted(NoExternalUse.class)
      public List<User> getImpactedUserList() {
          return User.getAll().stream()
                  .filter(user -> {
                      ApiTokenProperty apiTokenProperty = user.getProperty(ApiTokenProperty.class);
                      return (apiTokenProperty != null && apiTokenProperty.hasLegacyToken());
                  })
                  .collect(Collectors.toList());
      }
docs: used by Jelly view