; i += 50) {
                  slices.push({range: [i, i + 50], cpu: 30});
                }
                return slices;
              })(),
            },
          ],
        },
        {
          name: 'Renderer',
          pid: 20001,
          threads: [
            {
              name: 'Chrome_ChildIOThread',
              tid: 42,
              slices: (() => {
                const slices = [];
                for (let i = 0; i < 1000; i += 20) {
                  slices.push({range: [i, i + 10