diff --git a/composer.json b/composer.json
index 5098a0895..16abba811 100644
--- a/composer.json
+++ b/composer.json
@@ -44,12 +44,12 @@
         "amphp/websocket-client": "^1.0"
     },
     "require-dev": {
+        "phpdocumentor/reflection-docblock": "^5.2",
         "vlucas/phpdotenv": "^3",
-        "phpdocumentor/reflection-docblock": "^4.3",
         "ennexa/amp-update-cache": "dev-master",
         "phpunit/phpunit": "^8",
         "amphp/php-cs-fixer-config": "dev-master",
-        "haydenpierce/class-finder": "^0.4",
+        "haydenpierce/class-finder": "^0.4.2",
         "amphp/http-server": "dev-master",
         "amphp/http": "^1.6",
         "ext-ctype": "*",
diff --git a/src/danog/MadelineProto/API.php b/src/danog/MadelineProto/API.php
index 8834b48e9..298c24c6a 100644
--- a/src/danog/MadelineProto/API.php
+++ b/src/danog/MadelineProto/API.php
@@ -179,7 +179,7 @@ class API extends InternalDoc
     /**
      * Connect to MadelineProto.
      *
-     * @param Settings|SettingsEmpty $settings Settings
+     * @param SettingsAbstract $settings Settings
      * @param bool $forceFull Whether to force full initialization
      *
      * @return \Generator
diff --git a/src/danog/MadelineProto/APIWrapper.php b/src/danog/MadelineProto/APIWrapper.php
index 5712a9c6f..0c78a5613 100644
--- a/src/danog/MadelineProto/APIWrapper.php
+++ b/src/danog/MadelineProto/APIWrapper.php
@@ -210,4 +210,14 @@ final class APIWrapper
             return true;
         })());
     }
+
+    /**
+     * Get session path.
+     *
+     * @return SessionPaths
+     */
+    public function getSession(): SessionPaths
+    {
+        return $this->session;
+    }
 }
diff --git a/src/danog/MadelineProto/Db/DbPropertiesFactory.php b/src/danog/MadelineProto/Db/DbPropertiesFactory.php
index f77a76af1..a7e39c064 100644
--- a/src/danog/MadelineProto/Db/DbPropertiesFactory.php
+++ b/src/danog/MadelineProto/Db/DbPropertiesFactory.php
@@ -9,7 +9,10 @@ use danog\MadelineProto\Settings\Database\Postgres;
 use danog\MadelineProto\Settings\Database\Redis;
 use danog\MadelineProto\Settings\DatabaseAbstract;
 
-class DbPropertiesFactory
+/**
+ * This factory class initializes the correct database backend for MadelineProto.
+ */
+abstract class DbPropertiesFactory
 {
     /**
      * Indicates a simple K-V array stored in a database backend.
@@ -24,6 +27,8 @@ class DbPropertiesFactory
      *
      * @return Promise<DbType>
      *
+     * @internal
+     *
      * @uses \danog\MadelineProto\Db\MemoryArray
      * @uses \danog\MadelineProto\Db\MysqlArray
      * @uses \danog\MadelineProto\Db\PostgresArray
diff --git a/src/danog/MadelineProto/Db/DbPropertiesTrait.php b/src/danog/MadelineProto/Db/DbPropertiesTrait.php
index 5cb902ec6..119fabfda 100644
--- a/src/danog/MadelineProto/Db/DbPropertiesTrait.php
+++ b/src/danog/MadelineProto/Db/DbPropertiesTrait.php
@@ -4,6 +4,15 @@ namespace danog\MadelineProto\Db;
 
 use danog\MadelineProto\MTProto;
 
+/**
+ * Include this trait and call DbPropertiesTrait::initDb to use MadelineProto's database backend for properties.
+ *
+ * You will have to define a `$dbProperties` static array property, with a list of properties you want to store to a database.
+ *
+ * @see DbPropertiesFactory For a list of allowed property types
+ *
+ * @property array<string, DbPropertiesFactory::TYPE_*> $dbProperties
+ */
 trait DbPropertiesTrait
 {
     /**
diff --git a/src/danog/MadelineProto/Db/Driver/Mysql.php b/src/danog/MadelineProto/Db/Driver/Mysql.php
index c15856ba4..a2709e3c2 100644
--- a/src/danog/MadelineProto/Db/Driver/Mysql.php
+++ b/src/danog/MadelineProto/Db/Driver/Mysql.php
@@ -9,6 +9,9 @@ use danog\MadelineProto\Settings\Database\Mysql as DatabaseMysql;
 
 use function Amp\Mysql\Pool;
 
+/**
+ * MySQL driver wrapper.
+ */
 class Mysql
 {
     /** @var Pool[] */
diff --git a/src/danog/MadelineProto/Db/Driver/Postgres.php b/src/danog/MadelineProto/Db/Driver/Postgres.php
index b32f7bd34..c3ff30282 100644
--- a/src/danog/MadelineProto/Db/Driver/Postgres.php
+++ b/src/danog/MadelineProto/Db/Driver/Postgres.php
@@ -9,6 +9,9 @@ use danog\MadelineProto\Settings\Database\Postgres as DatabasePostgres;
 
 use function Amp\Postgres\Pool;
 
+/**
+ * Postgres driver wrapper.
+ */
 class Postgres
 {
     /** @var Pool[] */
diff --git a/src/danog/MadelineProto/Db/Driver/Redis.php b/src/danog/MadelineProto/Db/Driver/Redis.php
index a7970ad32..cc71260d8 100644
--- a/src/danog/MadelineProto/Db/Driver/Redis.php
+++ b/src/danog/MadelineProto/Db/Driver/Redis.php
@@ -7,6 +7,9 @@ use Amp\Redis\Redis as RedisRedis;
 use Amp\Redis\RemoteExecutorFactory;
 use danog\MadelineProto\Settings\Database\Redis as DatabaseRedis;
 
+/**
+ * Redis driver wrapper.
+ */
 class Redis
 {
     /** @var RedisRedis[] */
diff --git a/src/danog/MadelineProto/Db/MemoryArray.php b/src/danog/MadelineProto/Db/MemoryArray.php
index 4b96a90b6..d2e8229e1 100644
--- a/src/danog/MadelineProto/Db/MemoryArray.php
+++ b/src/danog/MadelineProto/Db/MemoryArray.php
@@ -10,6 +10,9 @@ use danog\MadelineProto\Settings\Database\Memory;
 
 use function Amp\call;
 
+/**
+ * Memory database backend.
+ */
 class MemoryArray extends \ArrayIterator implements DbArray
 {
     protected function __construct($array = [], $flags = 0)
diff --git a/src/danog/MadelineProto/Db/MysqlArray.php b/src/danog/MadelineProto/Db/MysqlArray.php
index f729e8228..e6ca2f7c9 100644
--- a/src/danog/MadelineProto/Db/MysqlArray.php
+++ b/src/danog/MadelineProto/Db/MysqlArray.php
@@ -13,6 +13,9 @@ use danog\MadelineProto\Settings\Database\Mysql as DatabaseMysql;
 
 use function Amp\call;
 
+/**
+ * MySQL database backend.
+ */
 class MysqlArray extends SqlArray
 {
     protected string $table;
diff --git a/src/danog/MadelineProto/Db/NullCache/MysqlArray.php b/src/danog/MadelineProto/Db/NullCache/MysqlArray.php
index 798d72fca..9e22e614a 100644
--- a/src/danog/MadelineProto/Db/NullCache/MysqlArray.php
+++ b/src/danog/MadelineProto/Db/NullCache/MysqlArray.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Db\NullCache;
 
 use danog\MadelineProto\Db\MysqlArray as DbMysqlArray;
 
+/**
+ * MySQL database backend, no caching.
+ */
 class MysqlArray extends DbMysqlArray
 {
     use NullCacheTrait;
diff --git a/src/danog/MadelineProto/Db/NullCache/NullCacheTrait.php b/src/danog/MadelineProto/Db/NullCache/NullCacheTrait.php
index 6ccbfd410..8c4e5460a 100644
--- a/src/danog/MadelineProto/Db/NullCache/NullCacheTrait.php
+++ b/src/danog/MadelineProto/Db/NullCache/NullCacheTrait.php
@@ -2,6 +2,11 @@
 
 namespace danog\MadelineProto\Db\NullCache;
 
+/**
+ * Trait that disables database caching.
+ *
+ * @internal
+ */
 trait NullCacheTrait
 {
     /**
diff --git a/src/danog/MadelineProto/Db/NullCache/PostgresArray.php b/src/danog/MadelineProto/Db/NullCache/PostgresArray.php
index 3d5510640..9e49ca644 100644
--- a/src/danog/MadelineProto/Db/NullCache/PostgresArray.php
+++ b/src/danog/MadelineProto/Db/NullCache/PostgresArray.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Db\NullCache;
 
 use danog\MadelineProto\Db\PostgresArray as DbPostgresArray;
 
+/**
+ * Postgres database backend, no caching.
+ */
 class PostgresArray extends DbPostgresArray
 {
     use NullCacheTrait;
diff --git a/src/danog/MadelineProto/Db/NullCache/RedisArray.php b/src/danog/MadelineProto/Db/NullCache/RedisArray.php
index 895f9b27e..c9591f5c5 100644
--- a/src/danog/MadelineProto/Db/NullCache/RedisArray.php
+++ b/src/danog/MadelineProto/Db/NullCache/RedisArray.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Db\NullCache;
 
 use danog\MadelineProto\Db\RedisArray as DbRedisArray;
 
+/**
+ * Redis database backend, no caching.
+ */
 class RedisArray extends DbRedisArray
 {
     use NullCacheTrait;
diff --git a/src/danog/MadelineProto/Db/PostgresArray.php b/src/danog/MadelineProto/Db/PostgresArray.php
index 0dbf2e55c..10f6ded90 100644
--- a/src/danog/MadelineProto/Db/PostgresArray.php
+++ b/src/danog/MadelineProto/Db/PostgresArray.php
@@ -13,6 +13,9 @@ use danog\MadelineProto\Settings\Database\Postgres as DatabasePostgres;
 
 use function Amp\call;
 
+/**
+ * Postgres database backend.
+ */
 class PostgresArray extends SqlArray
 {
     protected string $table;
diff --git a/src/danog/MadelineProto/Db/RedisArray.php b/src/danog/MadelineProto/Db/RedisArray.php
index 04f096413..498c313f3 100644
--- a/src/danog/MadelineProto/Db/RedisArray.php
+++ b/src/danog/MadelineProto/Db/RedisArray.php
@@ -13,6 +13,9 @@ use Generator;
 
 use function Amp\call;
 
+/**
+ * Redis database backend.
+ */
 class RedisArray extends SqlArray
 {
     protected DatabaseRedis $dbSettings;
diff --git a/src/danog/MadelineProto/Db/SqlArray.php b/src/danog/MadelineProto/Db/SqlArray.php
index 1e10dba84..01705e39c 100644
--- a/src/danog/MadelineProto/Db/SqlArray.php
+++ b/src/danog/MadelineProto/Db/SqlArray.php
@@ -7,6 +7,9 @@ use danog\MadelineProto\Settings\Database\DatabaseAbstract;
 
 use function Amp\call;
 
+/**
+ * Generic SQL database backend.
+ */
 abstract class SqlArray extends DriverArray
 {
     protected string $table;
diff --git a/src/danog/MadelineProto/Exception.php b/src/danog/MadelineProto/Exception.php
index 7e2e91819..0bc0449d5 100644
--- a/src/danog/MadelineProto/Exception.php
+++ b/src/danog/MadelineProto/Exception.php
@@ -19,6 +19,9 @@
 
 namespace danog\MadelineProto;
 
+/**
+ * Basic exception.
+ */
 class Exception extends \Exception
 {
     use TL\PrettyException;
diff --git a/src/danog/MadelineProto/InternalDoc.php b/src/danog/MadelineProto/InternalDoc.php
index 4d4088076..501cf2c7a 100644
--- a/src/danog/MadelineProto/InternalDoc.php
+++ b/src/danog/MadelineProto/InternalDoc.php
@@ -6061,13 +6061,6 @@ class InternalDoc extends APIFactory
     {
         $this->__call(__FUNCTION__, [$hook_url, $pem_path]);
     }
-    /**
-     * Set API wrapper needed for triggering serialization functions.
-     */
-    public function setWrapper(\danog\MadelineProto\APIWrapper $wrapper)
-    {
-        $this->__call(__FUNCTION__, [$wrapper]);
-    }
     /**
      * Setup logger.
      *
diff --git a/src/danog/MadelineProto/Lua.php b/src/danog/MadelineProto/Lua.php
index 0f434dbdb..bf793c02f 100644
--- a/src/danog/MadelineProto/Lua.php
+++ b/src/danog/MadelineProto/Lua.php
@@ -19,13 +19,15 @@
 
 namespace danog\MadelineProto;
 
+/**
+ * Lua interface.
+ */
 class Lua
 {
-    use \danog\Serializable;
     public API $MadelineProto;
     protected $Lua;
-    protected $script;
-    public function __magic_construct($script, $MadelineProto)
+    protected string $script;
+    public function __construct(string $script, API $MadelineProto)
     {
         if (!\file_exists($script)) {
             throw new Exception(\danog\MadelineProto\Lang::$current_lang['script_not_exist']);
diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index 5f7ff7e0e..78dc420e7 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -601,11 +601,22 @@ class MTProto extends AsyncConstruct implements TLCallback
     }
     /**
      * Set API wrapper needed for triggering serialization functions.
+     *
+     * @internal
      */
     public function setWrapper(APIWrapper $wrapper): void
     {
         $this->wrapper = $wrapper;
     }
+    /**
+     * Get API wrapper.
+     *
+     * @internal
+     */
+    public function getWrapper(): APIWrapper
+    {
+        return $this->wrapper;
+    }
     /**
      * Sleep function.
      *
diff --git a/src/danog/MadelineProto/PTSException.php b/src/danog/MadelineProto/PTSException.php
index acbafaf17..691c2caf8 100644
--- a/src/danog/MadelineProto/PTSException.php
+++ b/src/danog/MadelineProto/PTSException.php
@@ -19,6 +19,9 @@
 
 namespace danog\MadelineProto;
 
+/**
+ * Internal error indicating a problem with Telegram's servers.
+ */
 class PTSException extends \Exception
 {
     use TL\PrettyException;
diff --git a/src/danog/MadelineProto/PhpDocBuilder.php b/src/danog/MadelineProto/PhpDocBuilder.php
new file mode 100644
index 000000000..37148f5ae
--- /dev/null
+++ b/src/danog/MadelineProto/PhpDocBuilder.php
@@ -0,0 +1,177 @@
+<?php
+/**
+ * PhpDocBuilder module.
+ *
+ * This file is part of MadelineProto.
+ * MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Affero General Public License for more details.
+ * You should have received a copy of the GNU General Public License along with MadelineProto.
+ * If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @author    Daniil Gentili <daniil@daniil.it>
+ * @copyright 2016-2020 Daniil Gentili <daniil@daniil.it>
+ * @license   https://opensource.org/licenses/AGPL-3.0 AGPLv3
+ *
+ * @link https://docs.madelineproto.xyz MadelineProto documentation
+ */
+
+namespace danog\MadelineProto;
+
+use danog\MadelineProto\Async\AsyncConstruct;
+use danog\MadelineProto\Db\DbPropertiesTrait;
+use danog\MadelineProto\Files\Server;
+use danog\MadelineProto\MTProtoTools\Crypt;
+use danog\MadelineProto\MTProtoTools\GarbageCollector;
+use danog\MadelineProto\MTProtoTools\MinDatabase;
+use danog\MadelineProto\MTProtoTools\PasswordCalculator;
+use danog\MadelineProto\MTProtoTools\ReferenceDatabase;
+use danog\MadelineProto\MTProtoTools\UpdatesState;
+use danog\MadelineProto\TL\TL;
+use danog\MadelineProto\TL\TLConstructors;
+use danog\MadelineProto\TL\TLMethods;
+use danog\MadelineProto\TON\ADNLConnection;
+use danog\MadelineProto\TON\APIFactory as TAPIFactory;
+use danog\MadelineProto\TON\InternalDoc as TInternalDoc;
+use danog\MadelineProto\TON\Lite;
+use HaydenPierce\ClassFinder\ClassFinder;
+use phpDocumentor\Reflection\DocBlock\Tags\Author;
+use phpDocumentor\Reflection\DocBlock\Tags\Deprecated;
+use phpDocumentor\Reflection\DocBlock\Tags\Generic;
+use phpDocumentor\Reflection\DocBlock\Tags\InvalidTag;
+use phpDocumentor\Reflection\DocBlock\Tags\Property;
+use phpDocumentor\Reflection\DocBlock\Tags\See;
+use phpDocumentor\Reflection\DocBlockFactory;
+use ReflectionClass;
+use ReflectionClassConstant;
+
+class PhpDocBuilder
+{
+    private DocBlockFactory $factory;
+    public function __construct()
+    {
+        $this->factory = DocBlockFactory::createInstance();
+    }
+    public function run()
+    {
+        $classes = ClassFinder::getClassesInNamespace('danog\\MadelineProto', ClassFinder::RECURSIVE_MODE);
+        foreach ($classes as $class) {
+            if (\in_array($class, [
+                AnnotationsBuilder::class,
+                APIFactory::class,
+                APIWrapper::class,
+                AbstractAPIFactory::class,
+                Bug74586Exception::class,
+                Connection::class,
+                ContextConnector::class,
+                DataCenter::class,
+                DataCenterConnection::class,
+                DoHConnector::class,
+                DocsBuilder::class,
+                InternalDoc::class,
+                Lang::class,
+                LightState::class,
+                Magic::class,
+                PhpDocBuilder::class,
+                RSA::class,
+                Serialization::class,
+                SessionPaths::class,
+                SettingsEmpty::class,
+                SettingsAbstract::class,
+                Snitch::class,
+                AsyncConstruct::class,
+                Server::class, // Remove when done
+                VoIP::class,
+
+                Crypt::class,
+                NothingInTheSocketException::class,
+
+                GarbageCollector::class,
+                MinDatabase::class,
+                PasswordCalculator::class,
+                ReferenceDatabase::class,
+                UpdatesState::class,
+
+                TL::class,
+                TLConstructors::class,
+                TLMethods::class,
+
+                ADNLConnection::class,
+                TAPIFactory::class,
+                TInternalDoc::class,
+                Lite::class,
+            ]) || str_starts_with($class, 'danog\\MadelineProto\\Ipc')
+            || str_starts_with($class, 'danog\\MadelineProto\\Loop\\Update')
+            || str_starts_with($class, 'danog\\MadelineProto\\Loop\\Connection')
+            || str_starts_with($class, 'danog\\MadelineProto\\MTProto\\')
+            || str_starts_with($class, 'danog\\MadelineProto\\MTProtoSession\\')
+            || str_starts_with($class, 'danog\\MadelineProto\\Db\\NullCache')) {
+                continue;
+            }
+            $class = new ReflectionClass($class);
+            if ($class->isTrait()) {
+                continue;
+            }
+            $this->generate($class);
+        }
+        $this->generate(new ReflectionClass(DbPropertiesTrait::class));
+    }
+
+    private function generate(ReflectionClass $class): void
+    {
+        $name = $class->getName();
+        $doc = $class->getDocComment();
+        if (!$doc) {
+            throw new Exception("$name has no PHPDOC!");
+        }
+        $doc = $this->factory->create($doc);
+        $title = $doc->getSummary();
+        $description = $doc->getDescription();
+        $tags = $doc->getTags();
+
+        $seeAlso = [];
+        $properties = [];
+
+        $author = new Author("Daniil Gentili", "daniil@daniil.it");
+        foreach ($tags as $tag) {
+            if ($tag instanceof Author) {
+                $author = $tag;
+            }
+            if ($tag instanceof Deprecated) {
+                return;
+            }
+            if ($tag instanceof Generic && $tag->getName() === 'internal') {
+                return;
+            }
+            if ($tag instanceof See) {
+                $seeAlso[$tag->getReference()->__toString()] = $tag->render();
+            }
+            if ($tag instanceof Property) {
+                $properties[$tag->getVariableName()] = [
+                    $tag->getType(),
+                    $tag->getDescription()
+                ];
+            }
+            if ($tag instanceof InvalidTag && $tag->getName() === 'property') {
+                [$type, $description] = \explode(" $", $tag->render(), 2);
+                $description .= ' ';
+                [$varName, $description] = \explode(" ", $description, 2);
+                $properties[$varName] = [
+                    \str_replace('@property ', '', $type),
+                    $description ?? ''
+                ];
+            }
+        }
+
+        $constants = [];
+        foreach ($class->getConstants() as $key => $value) {
+            $refl = new ReflectionClassConstant($name, $key);
+            $doc = $this->factory->create($refl->getDocComment() ?? '');
+            $constants[$key] = [
+                $value,
+                $description,
+                $doc->getDescription()
+            ];
+        }
+    }
+}
diff --git a/src/danog/MadelineProto/PsrLogger.php b/src/danog/MadelineProto/PsrLogger.php
index 5cf6c94a4..31607c637 100644
--- a/src/danog/MadelineProto/PsrLogger.php
+++ b/src/danog/MadelineProto/PsrLogger.php
@@ -5,6 +5,9 @@ namespace danog\MadelineProto;
 use Psr\Log\AbstractLogger;
 use Psr\Log\LogLevel;
 
+/**
+ * PSR-3 wrapper for MadelineProto's Logger.
+ */
 class PsrLogger extends AbstractLogger
 {
     private const LEVEL_MAP = [
diff --git a/src/danog/MadelineProto/RPCErrorException.php b/src/danog/MadelineProto/RPCErrorException.php
index 36cdde5a0..a850a5a02 100644
--- a/src/danog/MadelineProto/RPCErrorException.php
+++ b/src/danog/MadelineProto/RPCErrorException.php
@@ -19,6 +19,9 @@
 
 namespace danog\MadelineProto;
 
+/**
+ * Indicates an error returned by Telegram's API.
+ */
 class RPCErrorException extends \Exception
 {
     use TL\PrettyException;
diff --git a/src/danog/MadelineProto/ResponseException.php b/src/danog/MadelineProto/ResponseException.php
index d9ba28755..a9d6dfa55 100644
--- a/src/danog/MadelineProto/ResponseException.php
+++ b/src/danog/MadelineProto/ResponseException.php
@@ -19,6 +19,9 @@
 
 namespace danog\MadelineProto;
 
+/**
+ * Indicates an error thrown when an unexpected response is received from telegram's servers.
+ */
 class ResponseException extends \Exception
 {
 }
diff --git a/src/danog/MadelineProto/SecurityException.php b/src/danog/MadelineProto/SecurityException.php
index eae3f0c97..98c3583f4 100644
--- a/src/danog/MadelineProto/SecurityException.php
+++ b/src/danog/MadelineProto/SecurityException.php
@@ -19,6 +19,9 @@
 
 namespace danog\MadelineProto;
 
+/**
+ * Indicates a security error.
+ */
 class SecurityException extends \Exception
 {
 }
diff --git a/src/danog/MadelineProto/Settings.php b/src/danog/MadelineProto/Settings.php
index ad255471f..612c11534 100644
--- a/src/danog/MadelineProto/Settings.php
+++ b/src/danog/MadelineProto/Settings.php
@@ -21,6 +21,9 @@ use danog\MadelineProto\Settings\Serialization;
 use danog\MadelineProto\Settings\Templates;
 use danog\MadelineProto\Settings\TLSchema;
 
+/**
+ * Settings class used for configuring MadelineProto.
+ */
 class Settings extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/AppInfo.php b/src/danog/MadelineProto/Settings/AppInfo.php
index 21982351c..d5fe6b16e 100644
--- a/src/danog/MadelineProto/Settings/AppInfo.php
+++ b/src/danog/MadelineProto/Settings/AppInfo.php
@@ -8,6 +8,9 @@ use danog\MadelineProto\Magic;
 use danog\MadelineProto\MTProto;
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * App information.
+ */
 class AppInfo extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Auth.php b/src/danog/MadelineProto/Settings/Auth.php
index 3511f552b..53f877123 100644
--- a/src/danog/MadelineProto/Settings/Auth.php
+++ b/src/danog/MadelineProto/Settings/Auth.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings;
 
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * Cryptography settings.
+ */
 class Auth extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Connection.php b/src/danog/MadelineProto/Settings/Connection.php
index f0d167227..d3c555e8a 100644
--- a/src/danog/MadelineProto/Settings/Connection.php
+++ b/src/danog/MadelineProto/Settings/Connection.php
@@ -21,6 +21,9 @@ use danog\MadelineProto\Stream\Transport\DefaultStream;
 use danog\MadelineProto\Stream\Transport\WssStream;
 use danog\MadelineProto\Stream\Transport\WsStream;
 
+/**
+ * Connection settings.
+ */
 class Connection extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Database/Memory.php b/src/danog/MadelineProto/Settings/Database/Memory.php
index 8b99a6ad7..20f1e8476 100644
--- a/src/danog/MadelineProto/Settings/Database/Memory.php
+++ b/src/danog/MadelineProto/Settings/Database/Memory.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings\Database;
 
 use danog\MadelineProto\Settings\DatabaseAbstract;
 
+/**
+ * Memory backend settings.
+ */
 class Memory extends DatabaseAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Database/Mysql.php b/src/danog/MadelineProto/Settings/Database/Mysql.php
index a1a1fdc63..10e106c66 100644
--- a/src/danog/MadelineProto/Settings/Database/Mysql.php
+++ b/src/danog/MadelineProto/Settings/Database/Mysql.php
@@ -2,6 +2,9 @@
 
 namespace danog\MadelineProto\Settings\Database;
 
+/**
+ * MySQL backend settings.
+ */
 class Mysql extends SqlAbstract
 {
     public function mergeArray(array $settings): void
diff --git a/src/danog/MadelineProto/Settings/Database/Postgres.php b/src/danog/MadelineProto/Settings/Database/Postgres.php
index 7b797faff..e9155ad0f 100644
--- a/src/danog/MadelineProto/Settings/Database/Postgres.php
+++ b/src/danog/MadelineProto/Settings/Database/Postgres.php
@@ -2,6 +2,9 @@
 
 namespace danog\MadelineProto\Settings\Database;
 
+/**
+ * Postgres backend settings.
+ */
 class Postgres extends SqlAbstract
 {
     public function mergeArray(array $settings): void
diff --git a/src/danog/MadelineProto/Settings/Database/Redis.php b/src/danog/MadelineProto/Settings/Database/Redis.php
index 3e08b1ab1..a38ec1360 100644
--- a/src/danog/MadelineProto/Settings/Database/Redis.php
+++ b/src/danog/MadelineProto/Settings/Database/Redis.php
@@ -2,6 +2,9 @@
 
 namespace danog\MadelineProto\Settings\Database;
 
+/**
+ * Redis backend settings.
+ */
 class Redis extends DatabaseAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Database/SqlAbstract.php b/src/danog/MadelineProto/Settings/Database/SqlAbstract.php
index 0fc43e1d6..768f5ba7b 100644
--- a/src/danog/MadelineProto/Settings/Database/SqlAbstract.php
+++ b/src/danog/MadelineProto/Settings/Database/SqlAbstract.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings\Database;
 
 use danog\MadelineProto\Settings\Database;
 
+/**
+ * Generic db backend settings.
+ */
 abstract class SqlAbstract extends DatabaseAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Files.php b/src/danog/MadelineProto/Settings/Files.php
index da884d1d6..fe6469b2d 100644
--- a/src/danog/MadelineProto/Settings/Files.php
+++ b/src/danog/MadelineProto/Settings/Files.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings;
 
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * File management settings.
+ */
 class Files extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Ipc.php b/src/danog/MadelineProto/Settings/Ipc.php
index 8500133f9..3868f5d67 100644
--- a/src/danog/MadelineProto/Settings/Ipc.php
+++ b/src/danog/MadelineProto/Settings/Ipc.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings;
 
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * IPC server settings.
+ */
 class Ipc extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Logger.php b/src/danog/MadelineProto/Settings/Logger.php
index 25623d940..e010dea13 100644
--- a/src/danog/MadelineProto/Settings/Logger.php
+++ b/src/danog/MadelineProto/Settings/Logger.php
@@ -7,6 +7,9 @@ use danog\MadelineProto\Magic;
 use danog\MadelineProto\SettingsAbstract;
 use danog\MadelineProto\Tools;
 
+/**
+ * Logger settings.
+ */
 class Logger extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Peer.php b/src/danog/MadelineProto/Settings/Peer.php
index 33ece8724..3f5bc86ae 100644
--- a/src/danog/MadelineProto/Settings/Peer.php
+++ b/src/danog/MadelineProto/Settings/Peer.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings;
 
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * Peer database settings.
+ */
 class Peer extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Pwr.php b/src/danog/MadelineProto/Settings/Pwr.php
index 185f57665..939914422 100644
--- a/src/danog/MadelineProto/Settings/Pwr.php
+++ b/src/danog/MadelineProto/Settings/Pwr.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings;
 
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * PWRTelegram settings.
+ */
 class Pwr extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/RPC.php b/src/danog/MadelineProto/Settings/RPC.php
index b862933d5..8c25dbe8d 100644
--- a/src/danog/MadelineProto/Settings/RPC.php
+++ b/src/danog/MadelineProto/Settings/RPC.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings;
 
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * RPC settings.
+ */
 class RPC extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/SecretChats.php b/src/danog/MadelineProto/Settings/SecretChats.php
index 6b5451f50..2b490bb96 100644
--- a/src/danog/MadelineProto/Settings/SecretChats.php
+++ b/src/danog/MadelineProto/Settings/SecretChats.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings;
 
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * Secret chat settings.
+ */
 class SecretChats extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/Serialization.php b/src/danog/MadelineProto/Settings/Serialization.php
index 8da90224f..dc05768bf 100644
--- a/src/danog/MadelineProto/Settings/Serialization.php
+++ b/src/danog/MadelineProto/Settings/Serialization.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings;
 
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * Serialization settings.
+ */
 class Serialization extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/Settings/TLSchema.php b/src/danog/MadelineProto/Settings/TLSchema.php
index 53958df35..ff6b498e5 100644
--- a/src/danog/MadelineProto/Settings/TLSchema.php
+++ b/src/danog/MadelineProto/Settings/TLSchema.php
@@ -4,6 +4,9 @@ namespace danog\MadelineProto\Settings;
 
 use danog\MadelineProto\SettingsAbstract;
 
+/**
+ * TL schema settings.
+ */
 class TLSchema extends SettingsAbstract
 {
     /**
diff --git a/src/danog/MadelineProto/SettingsAbstract.php b/src/danog/MadelineProto/SettingsAbstract.php
index 71ac60d28..83e488eed 100644
--- a/src/danog/MadelineProto/SettingsAbstract.php
+++ b/src/danog/MadelineProto/SettingsAbstract.php
@@ -18,6 +18,8 @@ abstract class SettingsAbstract
      *
      * @param array $settings Settings array
      *
+     * @internal
+     *
      * @return void
      */
     public function mergeArray(array $settings): void
@@ -29,6 +31,8 @@ abstract class SettingsAbstract
      *
      * @param self $other
      *
+     * @internal
+     *
      * @return void
      */
     public function merge(self $other): void
@@ -84,6 +88,8 @@ abstract class SettingsAbstract
     /**
      * Apply changes.
      *
+     * @internal
+     *
      * @return static
      */
     public function applyChanges(): self
diff --git a/src/danog/MadelineProto/Shutdown.php b/src/danog/MadelineProto/Shutdown.php
index ab5b56e0d..2fed44b5b 100644
--- a/src/danog/MadelineProto/Shutdown.php
+++ b/src/danog/MadelineProto/Shutdown.php
@@ -19,8 +19,8 @@
 
 namespace danog\MadelineProto;
 
-/*
- * Controls script shutdown
+/**
+ * Class that controls script shutdown.
  */
 class Shutdown
 {
diff --git a/src/danog/MadelineProto/TL/Conversion/Exception.php b/src/danog/MadelineProto/TL/Conversion/Exception.php
index 956d2ae30..71cb9e5c2 100644
--- a/src/danog/MadelineProto/TL/Conversion/Exception.php
+++ b/src/danog/MadelineProto/TL/Conversion/Exception.php
@@ -19,6 +19,9 @@
 
 namespace danog\MadelineProto\TL\Conversion;
 
+/**
+ * TL conversion exception.
+ */
 class Exception extends \Exception
 {
     use \danog\MadelineProto\TL\PrettyException;
diff --git a/src/danog/MadelineProto/TL/Exception.php b/src/danog/MadelineProto/TL/Exception.php
index 174975e31..d6de2f74f 100644
--- a/src/danog/MadelineProto/TL/Exception.php
+++ b/src/danog/MadelineProto/TL/Exception.php
@@ -19,6 +19,9 @@
 
 namespace danog\MadelineProto\TL;
 
+/**
+ * TL deserialization exception.
+ */
 class Exception extends \Exception
 {
     use PrettyException;
diff --git a/src/danog/MadelineProto/TL/Types/Button.php b/src/danog/MadelineProto/TL/Types/Button.php
index ecf2a46e9..ba8fcf631 100644
--- a/src/danog/MadelineProto/TL/Types/Button.php
+++ b/src/danog/MadelineProto/TL/Types/Button.php
@@ -19,9 +19,13 @@
 
 namespace danog\MadelineProto\TL\Types;
 
+use danog\MadelineProto\API;
 use danog\MadelineProto\MTProto;
 use danog\MadelineProto\Tools;
 
+/**
+ * Clickable button.
+ */
 class Button implements \JsonSerializable, \ArrayAccess
 {
     /**
@@ -31,9 +35,15 @@ class Button implements \JsonSerializable, \ArrayAccess
      */
     private array $button;
     /**
-     * MTProto instance.
+     * Session name.
      */
-    private MTProto $API;
+    private string $session;
+    /**
+     * MTProto instance.
+     *
+     * @var MTProto|API
+     */
+    private $API;
     /**
      * Message ID.
      */
@@ -62,6 +72,7 @@ class Button implements \JsonSerializable, \ArrayAccess
             : $message['peer_id'];
         $this->id = $message['id'];
         $this->API = $API;
+        $this->session = $API->getWrapper()->getSession()->getLegacySessionPath();
     }
     /**
      * Sleep function.
@@ -70,7 +81,7 @@ class Button implements \JsonSerializable, \ArrayAccess
      */
     public function __sleep(): array
     {
-        return ['button', 'peer', 'id', 'API'];
+        return ['button', 'peer', 'id', 'session'];
     }
     /**
      * Click on button.
@@ -81,7 +92,11 @@ class Button implements \JsonSerializable, \ArrayAccess
      */
     public function click(bool $donotwait = true)
     {
-        $async = isset($this->API->wrapper) ? $this->API->wrapper->isAsync() : true;
+        if (!isset($this->API)) {
+            $this->API = new API($this->session);
+        } else {
+            $async = isset($this->API->wrapper) ? $this->API->wrapper->isAsync() : true;
+        }
         $method = $donotwait ? 'methodCallAsyncWrite' : 'methodCallAsyncRead';
         switch ($this->button['_']) {
             default:
diff --git a/src/danog/MadelineProto/TL/Types/Bytes.php b/src/danog/MadelineProto/TL/Types/Bytes.php
index edf6f4a52..3d3f6ee9b 100644
--- a/src/danog/MadelineProto/TL/Types/Bytes.php
+++ b/src/danog/MadelineProto/TL/Types/Bytes.php
@@ -19,6 +19,9 @@
 
 namespace danog\MadelineProto\TL\Types;
 
+/**
+ * Bytes wrapper.
+ */
 class Bytes implements \JsonSerializable, \ArrayAccess
 {
     /**