def simple_marker_config_json() -> dict:
    """Returns a json dict equivalent to simple_marker_config fixture"""
    sample_json = {
        "markers": [
            {
                "marker": "carbon_offset_calculated",
                "operator": "AND",
                "condition": [
                    {
                        "slot_is_set": [
                            "travel_flight_class",
                            "travel_departure",
                            "travel_destination",
                        ]
                    },
                    {"action_executed": ["provide_carbon_estimate"]},
                ],
            },
        ]
    }
    return sample_json