static get defaultOptions() {
    return {
      mobile: {
        // 25th and 8th percentiles HTTPArchive -> median and p10.
        // https://bigquery.cloud.google.com/table/httparchive:lighthouse.2021_05_01_mobile
        // see https://www.desmos.com/calculator/6wi8rhipve
        scoring: {
          p10: 1800,
          median: 3000,
        },
      },
      desktop: {
        // SELECT QUANTILES(renderStart, 21) FROM [httparchive:summary_pages.2020_07_01_desktop] LIMIT 1000
        scoring: {
          p10: 934,
          median: 1600,
        },
      },
    };
  }
@return {{mobile: {scoring: LH.Audit.ScoreOptions}, desktop: {scoring: LH.Audit.ScoreOptions}}}