diff --git a/src/block/Liquid.php b/src/block/Liquid.php
index 9f4435e46..6ff664782 100644
--- a/src/block/Liquid.php
+++ b/src/block/Liquid.php
@@ -42,6 +42,7 @@ abstract class Liquid extends Transparent{
 	/** @var BlockIdentifierFlattened */
 	protected $idInfo;
 
+	/** @var int */
 	public $adjacentSources = 0;
 
 	/** @var Vector3|null */
diff --git a/src/entity/Entity.php b/src/entity/Entity.php
index 1d0fc3937..165343a58 100644
--- a/src/entity/Entity.php
+++ b/src/entity/Entity.php
@@ -134,6 +134,7 @@ abstract class Entity{
 
 	/** @var float */
 	private $health = 20.0;
+	/** @var int */
 	private $maxHealth = 20;
 
 	/** @var float */
diff --git a/src/entity/EntityFactory.php b/src/entity/EntityFactory.php
index 8290f4515..a4de128fd 100644
--- a/src/entity/EntityFactory.php
+++ b/src/entity/EntityFactory.php
@@ -61,6 +61,7 @@ use function reset;
  */
 final class EntityFactory{
 
+	/** @var int */
 	private static $entityCount = 1;
 	/** @var string[] base class => currently used class for construction */
 	private static $classMapping = [];
diff --git a/src/entity/Human.php b/src/entity/Human.php
index bbc7869da..bdf7969e0 100644
--- a/src/entity/Human.php
+++ b/src/entity/Human.php
@@ -85,6 +85,7 @@ class Human extends Living implements ProjectileSource, InventoryHolder{
 	/** @var ExperienceManager */
 	protected $xpManager;
 
+	/** @var int */
 	protected $xpSeed;
 
 	protected $baseOffset = 1.62;
diff --git a/src/network/Network.php b/src/network/Network.php
index beff79f6a..7f14e8149 100644
--- a/src/network/Network.php
+++ b/src/network/Network.php
@@ -49,7 +49,9 @@ class Network{
 	/** @var int[] */
 	private $bannedIps = [];
 
+	/** @var float */
 	private $upload = 0;
+	/** @var float */
 	private $download = 0;
 
 	/** @var string */
diff --git a/src/network/mcpe/ChunkRequestTask.php b/src/network/mcpe/ChunkRequestTask.php
index f95d669ab..55dd1e48d 100644
--- a/src/network/mcpe/ChunkRequestTask.php
+++ b/src/network/mcpe/ChunkRequestTask.php
@@ -42,6 +42,7 @@ class ChunkRequestTask extends AsyncTask{
 	/** @var int */
 	protected $chunkZ;
 
+	/** @var int */
 	protected $compressionLevel;
 
 	/** @var string */
diff --git a/src/network/mcpe/compression/CompressBatchTask.php b/src/network/mcpe/compression/CompressBatchTask.php
index 9ad39314d..62aa9a037 100644
--- a/src/network/mcpe/compression/CompressBatchTask.php
+++ b/src/network/mcpe/compression/CompressBatchTask.php
@@ -29,7 +29,9 @@ class CompressBatchTask extends AsyncTask{
 
 	private const TLS_KEY_PROMISE = "promise";
 
+	/** @var int */
 	private $level;
+	/** @var string */
 	private $data;
 
 	/**
diff --git a/src/network/mcpe/compression/Zlib.php b/src/network/mcpe/compression/Zlib.php
index 996312614..05a44987f 100644
--- a/src/network/mcpe/compression/Zlib.php
+++ b/src/network/mcpe/compression/Zlib.php
@@ -28,7 +28,9 @@ use function zlib_encode;
 use const ZLIB_ENCODING_DEFLATE;
 
 final class Zlib{
+	/** @var int */
 	public static $LEVEL = 7;
+	/** @var int */
 	public static $THRESHOLD = 256;
 
 	private function __construct(){
diff --git a/src/network/mcpe/encryption/NetworkCipher.php b/src/network/mcpe/encryption/NetworkCipher.php
index beb74b795..0b9c25a0f 100644
--- a/src/network/mcpe/encryption/NetworkCipher.php
+++ b/src/network/mcpe/encryption/NetworkCipher.php
@@ -34,6 +34,7 @@ class NetworkCipher{
 	private const ENCRYPTION_SCHEME = "AES-256-CFB8";
 	private const CHECKSUM_ALGO = "sha256";
 
+	/** @var bool */
 	public static $ENABLED = true;
 
 	/** @var string */
diff --git a/src/plugin/PluginDescription.php b/src/plugin/PluginDescription.php
index 55d0fb77a..0a6fe602a 100644
--- a/src/plugin/PluginDescription.php
+++ b/src/plugin/PluginDescription.php
@@ -39,20 +39,28 @@ use function version_compare;
 use function yaml_parse;
 
 class PluginDescription{
+	/** @var mixed[] */
 	private $map;
 
+	/** @var string */
 	private $name;
+	/** @var string */
 	private $main;
+	/** @var string[] */
 	private $api;
 	/** @var int[] */
 	private $compatibleMcpeProtocols = [];
 	/** @var string[][] */
 	private $extensions = [];
+	/** @var string[] */
 	private $depend = [];
+	/** @var string[] */
 	private $softDepend = [];
+	/** @var string[] */
 	private $loadBefore = [];
 	/** @var string */
 	private $version;
+	/** @var mixed[][] */
 	private $commands = [];
 	/** @var string */
 	private $description = "";
diff --git a/src/scheduler/AsyncTask.php b/src/scheduler/AsyncTask.php
index 98f4d2a38..0135dd4ce 100644
--- a/src/scheduler/AsyncTask.php
+++ b/src/scheduler/AsyncTask.php
@@ -59,12 +59,16 @@ abstract class AsyncTask extends \Threaded{
 	/** @var \Threaded */
 	public $progressUpdates;
 
+	/** @var scalar|null */
 	private $result = null;
+	/** @var bool */
 	private $serialized = false;
+	/** @var bool */
 	private $cancelRun = false;
 	/** @var bool */
 	private $submitted = false;
 
+	/** @var bool */
 	private $crashed = false;
 	/** @var bool */
 	private $finished = false;
diff --git a/src/world/SimpleChunkManager.php b/src/world/SimpleChunkManager.php
index 14673fe5f..2c04e85a6 100644
--- a/src/world/SimpleChunkManager.php
+++ b/src/world/SimpleChunkManager.php
@@ -35,6 +35,7 @@ class SimpleChunkManager implements ChunkManager{
 	/** @var Chunk[] */
 	protected $chunks = [];
 
+	/** @var int */
 	protected $worldHeight;
 
 	/** @var SubChunkIteratorManager */
diff --git a/src/world/format/io/WorldProviderManager.php b/src/world/format/io/WorldProviderManager.php
index cd2584749..d5f8bd48f 100644
--- a/src/world/format/io/WorldProviderManager.php
+++ b/src/world/format/io/WorldProviderManager.php
@@ -32,6 +32,7 @@ use function strtolower;
 use function trim;
 
 abstract class WorldProviderManager{
+	/** @var string[] */
 	protected static $providers = [];
 
 	/** @var string|WorldProvider */
diff --git a/src/world/light/LightPopulationTask.php b/src/world/light/LightPopulationTask.php
index 25e41bd4b..37989dd25 100644
--- a/src/world/light/LightPopulationTask.php
+++ b/src/world/light/LightPopulationTask.php
@@ -35,6 +35,7 @@ use function igbinary_unserialize;
 class LightPopulationTask extends AsyncTask{
 	private const TLS_KEY_WORLD = "world";
 
+	/** @var string */
 	public $chunk;
 
 	/** @var int */