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		$tag = $this->getTag($name);
		if($tag instanceof $expectedClass){
			return $tag->getValue();
		}
		if($tag !== null){
			throw new UnexpectedTagTypeException("Expected a tag of type $expectedClass, got " . get_class($tag));
		}

		if($default === null){
			throw new NoSuchTagException("Tag \"$name\" does not exist");
		}

		return $default;
	}

	/*
	 * The following methods are wrappers around getTagValue() with type safety.
	 */

	public function getByte(string $name, ?int $default = null) : int{

#0 pmsrc/vendor/pocketmine/nbt/src/tag/CompoundTag(179): pocketmine\nbt\tag\CompoundTag->getTagValue(string[10] RandomSeed, string[26] pocketmine\nbt\tag\LongTag, null)
#1 pmsrc/src/world/format/io/data/BaseNbtWorldData(132): pocketmine\nbt\tag\CompoundTag->getLong(string[10] RandomSeed)
#2 pmsrc/src/world/format/io/FormatConverter(111): pocketmine\world\format\io\data\BaseNbtWorldData->getSeed()
#3 pmsrc/src/world/format/io/FormatConverter(72): pocketmine\world\format\io\FormatConverter->generateNew()
#4 pmsrc/src/world/WorldManager(239): pocketmine\world\format\io\FormatConverter->execute()
#5 pmsrc/src/Server(1155): pocketmine\world\WorldManager->loadWorld(string[5] world, true)
#6 pmsrc/src/Server(1081): pocketmine\Server->startupPrepareWorlds()
#7 pmsrc/src/PocketMine(355): pocketmine\Server->__construct(object pocketmine\thread\ThreadSafeClassLoader#2, object pocketmine\utils\MainLogger#6, string[25] /home/anmine/servers/s99/, string[33] /home/anmine/servers/s99/plugins/)
#8 pmsrc/src/PocketMine(378): pocketmine\server()
#9 /home/anmine/startup/tests/PocketMine-MP.phar(168): require(string[72] phar:///tmp/PocketMine-MP-phar-cache.0/PMMPink4kF.tar/src/PocketMine.php)