{
  "expression": [
    "interpolate",
    ["exponential", 2],
    ["number", ["get", "x"]],
    1,
    ["literal", [2, 1]],
    3,
    ["literal", [6, 1]]
  ],
  "inputs": [
    [{}, {"properties": {"x": 0}}],
    [{}, {"properties": {"x": 1}}],
    [{}, {"properties": {"x": 2}}],
    [{}, {"properties": {"x": 3}}],
    [{}, {"properties": {"x": 4}}]
  ],
  "expected": {
    "compiled": {
      "result": "success",
      "isFeatureConstant": false,
      "isZoomConstant": true,
      "type": "array<number, 2>"
    },
    "outputs": [[2, 1], [2, 1], [3.33333, 1], [6, 1], [6, 1]],
    "serialized": [
      "interpolate",
      ["exponential", 2],
      ["number", ["get", "x"]],
      1,
      ["literal", [2, 1]],
      3,
      ["literal", [6, 1]]
    ]
  }
}