public net.minecraft.world.level.biome.BiomeSpecialEffects$Builder f_47928_ # waterColor
public net.minecraft.server.level.ServerLevel f_8549_ # serverLevelData
public net.minecraft.server.level.ChunkMap f_140130_ # visibleChunkMap
public net.minecraft.server.level.ChunkMap m_214963_(Lnet/minecraft/world/level/ChunkPos;)Ljava/util/concurrent/CompletableFuture; # readChunk(