[
    {
        "check": "unused-state",
        "variables": [
            {
                "name": "unused",
                "source_mapping": {
                    "filename": "tests/unused_state.sol",
                    "length": 14,
                    "lines": [
                        4
                    ],
                    "start": 42
                }
            }
        ]
    }
]