{ "expression": ["split", "string", ""], "inputs": [[{}, {}]], "expected": { "compiled": { "result": "success", "isFeatureConstant": true, "isZoomConstant": true, "type": "array" }, "outputs": [["s", "t", "r", "i", "n", "g"]], "serialized": ["literal", ["s", "t", "r", "i", "n", "g"]] } }