{
  "calendar": "synthetic-weekdays-with-one-listed-holiday",
  "cases": {
    "start-included": {"expected_business_days": 1, "included_dates": ["2026-04-01"]},
    "start-excluded": {"expected_business_days": 1, "included_dates": ["2026-04-02"]},
    "end-included": {"expected_business_days": 1, "included_dates": ["2026-04-03"]},
    "end-excluded": {"expected_business_days": 1, "included_dates": ["2026-04-02"]},
    "holiday-crossing": {"expected_business_days": 2, "included_dates": ["2026-04-28", "2026-04-30"]}
  }
}