{
  "expression": ["interpolate", ["linear"], ["zoom"], 0, 0, 30, 30],
  "inputs": [[{"zoom": 5}, {}]],
  "expected": {
    "compiled": {
      "result": "success",
      "isFeatureConstant": true,
      "isZoomConstant": false,
      "type": "number"
    },
    "outputs": [5],
    "serialized": ["interpolate", ["linear"], ["zoom"], 0, 0, 30, 30]
  }
}