{
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  "density": 1.0,
  "max_height": 40,
  "min_height": 10,
  "priority": -100,
  "count_as_vein": false,
  "generation_predicate": "any",
  "vein_populator": {
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  },
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  },
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    ]
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  ],
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        {
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          "value": "fluid:oil_medium"
        }
      ]
    }
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}