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      "ci_level": null,
      "inference": "Not computed"
    },
    {
      "Outcome / treatment": "y__d",
      "Estimator": "Horizontal ridge",
      "Estimate (SDs)": 0.006508146520436092,
      "SE": null,
      "Aggregation": "Treated cells",
      "Event study": "Yes",
      "Status": "estimated",
      "Note": "",
      "lower": null,
      "upper": null,
      "ci_level": null,
      "inference": "Not computed"
    },
    {
      "Outcome / treatment": "y__d",
      "Estimator": "Multisynth (cohort-averaged)",
      "Estimate (SDs)": null,
      "SE": null,
      "Aggregation": "Treated cells",
      "Event study": "No",
      "Status": "unsupported",
      "Note": "multisynth-cohort: requires one observation per unit-period; no observations collapsed.",
      "lower": null,
      "upper": null,
      "ci_level": null,
      "inference": "Not computed"
    },
    {
      "Outcome / treatment": "y__d",
      "Estimator": "Multisynth (individual)",
      "Estimate (SDs)": null,
      "SE": null,
      "Aggregation": "Treated cells",
      "Event study": "No",
      "Status": "unsupported",
      "Note": "multisynth-individual: requires one observation per unit-period; no observations collapsed.",
      "lower": null,
      "upper": null,
      "ci_level": null,
      "inference": "Not computed"
    }
  ]
}
