Generated data.

src/generated/resources/data/firefly_bush_backport/worldgen/configured_feature/patch_firefly_bush.json

@@ -0,0 +1,30 @@
+{
+  "type": "minecraft:random_patch",
+  "config": {
+    "feature": {
+      "feature": {
+        "type": "minecraft:simple_block",
+        "config": {
+          "to_place": {
+            "type": "minecraft:simple_state_provider",
+            "state": {
+              "Name": "firefly_bush_backport:firefly_bush"
+            }
+          }
+        }
+      },
+      "placement": [
+        {
+          "type": "minecraft:block_predicate_filter",
+          "predicate": {
+            "type": "minecraft:matching_blocks",
+            "blocks": "minecraft:air"
+          }
+        }
+      ]
+    },
+    "tries": 20,
+    "xz_spread": 4,
+    "y_spread": 3
+  }
+}

src/generated/resources/data/firefly_bush_backport/worldgen/placed_feature/patch_firefly_bush_swamp.json

@@ -0,0 +1,19 @@
+{
+  "feature": "firefly_bush_backport:patch_firefly_bush",
+  "placement": [
+    {
+      "type": "minecraft:rarity_filter",
+      "chance": 8
+    },
+    {
+      "type": "minecraft:in_square"
+    },
+    {
+      "type": "minecraft:heightmap",
+      "heightmap": "MOTION_BLOCKING"
+    },
+    {
+      "type": "minecraft:biome"
+    }
+  ]
+}