{
  "format_version": "1.21.70",
  "minecraft:client_biome": {
    "description": {
      "identifier": "swampland"
    },
    "components": {
      "minecraft:fog_appearance": {
        "fog_identifier": "minecraft:fog_swampland"
      },
      "minecraft:water_appearance": {
        "surface_color": "#4c6559",
        "surface_opacity": 1.0
      },
      "minecraft:foliage_appearance": {
        "color": {
          "color_map": "swamp_foliage"
        }
      },
      "minecraft:grass_appearance": {
        "color": {
          "color_map": "swamp_grass"
        }
      },
      "minecraft:dry_foliage_color": {
        "color": "#7B5334"
      },
      "minecraft:biome_music": {
        "music_definition": "swampland"
      }
    }
  }
}