 const pathForAllThreads = [
      [CHROME_PROCESS_NAMES.BROWSER], [], ['all_stages', 'all_initiators']];

    const pathForThread1 = [
      [CHROME_PROCESS_NAMES.BROWSER],
      ['CrBrowserMain'], ['all_stages', 'all_initiators']];

    const pathForThread2 = [
      [CHROME_PROCESS_NAMES.BROWSER],
      ['Chrome_IOThread'], ['all_stages', 'all_initiators']];

    const model = buildModelFromSpec(modelSpec);
    const root = constructMultiDimensionalView(model, model.bounds);
    const valueForAllThreads 