public OakPlainsSpawnDefinition() {
   super(
       PlantType.TREE,
       OakGrowthDefinition.ID,
       AnotherWorldBiomes.PLAINS.getId(),
       0.6f,
       0.2f,
       new BlockCollectionPredicate(Arrays.asList(Blocks.getBlock("Core:Grass"))));
 }
 public OakTundraSpawnDefinition() {
   super(
       PlantType.TREE,
       OakGrowthDefinition.ID,
       AnotherWorldBiomes.TUNDRA.getId(),
       0.1f,
       0.4f,
       new BlockCollectionPredicate(Arrays.asList(Blocks.getBlock("Core:Snow"))));
 }
 public PineForestSpawnDefinition() {
   super(
       PlantType.TREE,
       PineGrowthDefinition.ID,
       AnotherWorldBiomes.FOREST.getId(),
       0.6f,
       0.8f,
       new BlockCollectionPredicate(Arrays.asList(Blocks.getBlock("Core:Grass"))));
 }