{
  "synthetic": true,
  "function": "coverage",
  "scope": "Finite offline teaching cases only; no live account/platform access.",
  "cases": [
    {
      "id": 1,
      "args": [
        "Chris邓",
        [
          [
            0,
            127
          ],
          [
            19968,
            40959
          ]
        ]
      ],
      "expected": []
    },
    {
      "id": 2,
      "args": [
        "𠮷",
        [
          [
            0,
            127
          ],
          [
            19968,
            40959
          ]
        ]
      ],
      "expected": [
        "𠮷"
      ]
    }
  ]
}