       range: [210, 260]},
        {stage: 'Response', initiatorType: INITIATOR_TYPE.SCROLL,
          range: [250, 300]},
        {stage: 'Animation', initiatorType: INITIATOR_TYPE.CSS,
          range: [500, 560]},
        {stage: 'Animation', initiatorType: INITIATOR_TYPE.CSS,
          range: [690, 890]}
    );

    const path = [
      [CHROME_PROCESS_NAMES.RENDERER],
      ['CrRendererMain'], ['all_stages', 'all_initiators']
    ];

    const model = buildModelFromSpec(modelSpec);
    const root = con