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		//TODO: use this properly
		$write->put($index . ChunkDataKey::FINALIZATION, chr($chunkData->isPopulated() ? self::FINALISATION_DONE : self::FINALISATION_NEEDS_POPULATION));

		$this->writeTags($chunkData->getTileNBT(), $index . ChunkDataKey::BLOCK_ENTITIES, $write);
		$this->writeTags($chunkData->getEntityNBT(), $index . ChunkDataKey::ENTITIES, $write);

		$write->delete($index . ChunkDataKey::HEIGHTMAP_AND_2D_BIOME_COLORS);
		$write->delete($index . ChunkDataKey::LEGACY_TERRAIN);

		$this->db->write($write);
	}

	/**
	 * @param CompoundTag[] $targets
	 */
	private function writeTags(array $targets, string $index, \LevelDBWriteBatch $write) : void{
		if(count($targets) > 0){
			$nbt = new LittleEndianNbtSerializer();
			$write->put($index, $nbt->writeMultiple(array_map(fn(CompoundTag $tag) => new TreeRoot($tag), $targets)));
		}else{

#0 pmsrc/src/world/format/io/leveldb/LevelDB(825): LevelDB->write(object LevelDBWriteBatch#116782)
#1 pmsrc/src/world/World(3064): pocketmine\world\format\io\leveldb\LevelDB->saveChunk(int 107, int 58, object pocketmine\world\format\io\ChunkData#511468, int 0)
#2 pmsrc/src/world/World(3591): pocketmine\world\World->unloadChunk(int 107, int 58, true)
#3 pmsrc/src/world/World(1030): pocketmine\world\World->unloadChunks()
#4 pmsrc/src/world/World(1005): pocketmine\world\World->actuallyDoTick(int 226122)
#5 pmsrc/src/world/WorldManager(351): pocketmine\world\World->doTick(int 226122)
#6 pmsrc/src/Server(1899): pocketmine\world\WorldManager->tick(int 226122)
#7 pmsrc/src/Server(1781): pocketmine\Server->tick()
#8 pmsrc/src/Server(1097): pocketmine\Server->tickProcessor()
#9 pmsrc/src/PocketMine(341): pocketmine\Server->__construct(object pocketmine\thread\ThreadSafeClassLoader#3, object pocketmine\utils\MainLogger#6, string[24] /home/anmine/servers/s5/, string[32] /home/anmine/servers/s5/plugins/)
#10 pmsrc/src/PocketMine(364): pocketmine\server()
#11 pmsrc(11): require(string[61] phar:///home/anmine/servers/s5/InCore.phar/src/PocketMine.php)