JED (1.5.1+) - BoP nether as the main world (respawnable)

{
  "dimensions": [
    {
      "dim": 0,
      "override": true,
      "disableteleportingto": true,
      "dimensiontype": {
        "id": 0,
        "name": "Void Overworld",
        "suffix": "_dim0",
        "keeploaded": true,
        "worldprovider": "WorldProviderSurfaceJED"
      },
      "worldinfo": {
        "generatorName": "flat",
        "generatorOptions": "3;minecraft:air;127;",
        "JED": {
          "CanRespawnHere": false,
          "RespawnDimension": -2
        }
      }
    },
    {
      "dim": -1,
      "unregister": true,
      "disableteleportingto": true
    },
    {
      "dim": -2,
      "dimensiontype": {
        "id": -2,
        "name": "JED Nether",
        "suffix": "_dim-2",
        "keeploaded": false,
        "worldprovider": "biomesoplenty.common.world.WorldProviderBOPHell"
      },
      "worldinfo": {
        "JED": {
          "CanRespawnHere": true
        }
      },
      "worldinfo_onetime": {
        "generatorName": "BIOMESOP"
      }
    }
  ]
}