{
  "weight": 1000,
  "biomes": "#classic_caravans:has_swamp_caravan",
  "pools": [
    {
      "weight": 10,
      "variations": [
        {
          "variation": "classic_caravans:swamp_miners_tier_1",
          "weight": 5
        },
        {
          "variation": "classic_caravans:swamp_miners_tier_2",
          "weight": 3
        },
        {
          "variation": "classic_caravans:swamp_miners_tier_3",
          "weight": 1
        }
      ]
    },
    {
      "weight": 10,
      "variations": [
        {
          "variation": "classic_caravans:swamp_alchemists_tier_1",
          "weight": 5
        },
        {
          "variation": "classic_caravans:swamp_alchemists_tier_2",
          "weight": 3
        },
        {
          "variation": "classic_caravans:swamp_alchemists_tier_3",
          "weight": 1
        }
      ]
    },
    {
      "weight": 10,
      "variations": [
        {
          "variation": "classic_caravans:swamp_harvesters_tier_1",
          "weight": 5
        },
        {
          "variation": "classic_caravans:swamp_harvesters_tier_2",
          "weight": 3
        },
        {
          "variation": "classic_caravans:swamp_harvesters_tier_3",
          "weight": 1
        }
      ]
    }
  ]
}