JED 1.6.0+ - Void Overworld, Nether and End

{
    "dimensions": [
        {
            "dim": -1,
            "override": true,
            "dimensiontype": {
                "id": -1,
                "name": "Nether",
                "keeploaded": false,
                "worldprovider": "WorldProviderHellJED",
                "require_exact_match": true
            },
            "chunkgenerator": "net.minecraft.world.gen.ChunkGeneratorFlat",
            "worldinfo_onetime": {
                "generatorOptions": "3;minecraft:air;8"
            }
        },
        {
            "dim": 0,
            "override": true,
            "dimensiontype": {
                "id": 0,
                "name": "Overworld",
                "keeploaded": true,
                "worldprovider": "WorldProviderSurfaceJED",
                "require_exact_match": true
            },
            "spawn_structure": {
                "name": "vanilla_village_forge.schematic",
                "centered": true,
                "offset": [-1, -1, 0]
            },
            "worldinfo_onetime": {
                "generatorName": "flat",
                "generatorOptions": "3;minecraft:air;1",
                "GGgeneratorOptions": "3;minecraft:bedrock,63*minecraft:stone,minecraft:grass;1",
                "SpawnX": 256,
                "SpawnZ": 256,
                "GameRules": {
                    "spawnRadius": "0"
                }
            }
        },
        {
            "dim": 1,
            "override": true,
            "dimensiontype": {
                "id": 1,
                "name": "End",
                "keeploaded": false,
                "worldprovider": "WorldProviderEndJED",
                "require_exact_match": true
            },
            "chunkgenerator": "net.minecraft.world.gen.ChunkGeneratorFlat",
            "worldinfo_onetime": {
                "generatorOptions": "3;minecraft:air;9"
            }
        }
    ]
}