JED 1.6.0+ - Overworld clone examples

{
    "config_version": {
        "id": "__default",
        "version": 0
    },
    "dimensions": [
        {
            "dim": 12,
            "dimensiontype": {
                "existing_dimensiontype": "overworld"
            },
            "worldinfo_onetime": {}
        },
        {
            "dim": 123,
            "dimensiontype": {
                "existing_dimensiontype": "overworld"
            },
            "worldinfo_onetime": {},
            "jed": {
                "WorldProviderOverride": "WorldProviderSurfaceJED"
            }
        },
        {
            "dim": 1234,
            "dimensiontype": {
                "id": 0,
                "name": "Overworld",
                "suffix": "_dim1234",
                "worldprovider": "WorldProviderSurfaceJED",
                "require_exact_match": true
            },
            "worldinfo_onetime": {}
        }
    ]
}