{
  "policy": "tier1-equivalence/policies/match_null.aster",
  "entry": "classify",
  "cases": [
    {
      "name": "null -> none",
      "input": [
        null
      ],
      "expectedOutput": "none"
    },
    {
      "name": "value -> some",
      "input": [
        "x"
      ],
      "expectedOutput": "some"
    }
  ]
}