{
  "expression": ["all", ["boolean", ["get", "x"]], ["boolean", ["get", "y"]]],
  "inputs": [
    [{}, {"properties": {"x": true, "y": false}}],
    [{}, {"properties": {"x": true, "y": true}}]
  ],
  "expected": {
    "compiled": {
      "result": "success",
      "isFeatureConstant": false,
      "isZoomConstant": true,
      "type": "boolean"
    },
    "outputs": [false, true],
    "serialized": ["all", ["boolean", ["get", "x"]], ["boolean", ["get", "y"]]]
  }
}