What problem does this feature solve?

data(geojson) contains holes.
It is hoped that the polygon can be hollowed out.

render result

expected result

example https://codepen.io/deyihu/pen/JzOmPw

What does the proposed API look like?

{
    "type": "FeatureCollection",
    "features": [
        {
            "type": "Feature",
            "geometry": {
                "type": "Polygon",
                "coordinates": [
                    [
                        ....
                    ],
                    [
                        ....  hole
                    ],
                    ...holes
                ]
            },
            "properties": {
                "name": "未命名",
                "center": [
                    120.56578933022251,
                    31.291266809854267
                ]
            }
        }
    ]
}