docs: @BetaApi
    public final AggregatedListNodeGroupsPagedResponse aggregatedListNodeGroups(ProjectName project) {
      AggregatedListNodeGroupsHttpRequest request =
          AggregatedListNodeGroupsHttpRequest.newBuilder()
              .setProject(project == null ? null : project.toString())
              .build();
      return aggregatedListNodeGroups(request);
    }