diff --git a/src/danog/MadelineProto/InternalDoc.php b/src/danog/MadelineProto/InternalDoc.php
index ea4aefae..0fc439db 100644
--- a/src/danog/MadelineProto/InternalDoc.php
+++ b/src/danog/MadelineProto/InternalDoc.php
@@ -4142,17 +4142,6 @@ class InternalDoc extends APIFactory
     {
         $this->__call(__FUNCTION__, [$extra]);
     }
-    /**
-     * Check if connected to datacenter using HTTP.
-     *
-     * @param string $datacenter DC ID
-     *
-     * @return boolean
-     */
-    public function isHttp(string $datacenter, array $extra = []): bool
-    {
-        return $this->__call(__FUNCTION__, [$datacenter, $extra]);
-    }
     /**
      * Checks whether all datacenters are authorized.
      *
@@ -4225,18 +4214,6 @@ class InternalDoc extends APIFactory
     {
         return $this->__call(__FUNCTION__, [$extra]);
     }
-    /**
-     * Create authorization key.
-     *
-     * @param int    $expires_in Expiry date of auth key, -1 for permanent auth key
-     * @param string $datacenter DC ID
-     *
-     * @return \Generator<AuthKey>
-     */
-    public function createAuthKey(int $expires_in, string $datacenter, array $extra = [])
-    {
-        return $this->__call(__FUNCTION__, [$expires_in, $datacenter, $extra]);
-    }
     /**
      * Check validity of g_a parameters.
      *
@@ -4249,71 +4226,6 @@ class InternalDoc extends APIFactory
     {
         return $this->__call(__FUNCTION__, [$g_a, $p, $extra]);
     }
-    /**
-     * Check validity of p and g parameters.
-     *
-     * @param BigInteger $p
-     * @param BigInteger $g
-     *
-     * @return boolean
-     */
-    public function checkPG(\tgseclib\Math\BigInteger $p, \tgseclib\Math\BigInteger $g, array $extra = []): bool
-    {
-        return $this->__call(__FUNCTION__, [$p, $g, $extra]);
-    }
-    /**
-     * Get diffie-hellman configuration.
-     *
-     * @return \Generator<array>
-     */
-    public function getDhConfig(array $extra = [])
-    {
-        return $this->__call(__FUNCTION__, [$extra]);
-    }
-    /**
-     * Bind temporary and permanent auth keys.
-     *
-     * @param integer $expires_in Date of expiry for binding
-     * @param string  $datacenter DC ID
-     *
-     * @return \Generator<bool>
-     */
-    public function bindTempAuthKey(int $expires_in, string $datacenter, array $extra = [])
-    {
-        return $this->__call(__FUNCTION__, [$expires_in, $datacenter, $extra]);
-    }
-    /**
-     * Asynchronously create, bind and check auth keys for all DCs.
-     *
-     * @return \Generator
-     */
-    public function initAuthorization(array $extra = [])
-    {
-        return $this->__call(__FUNCTION__, [$extra]);
-    }
-    /**
-     * Init auth keys for single DC.
-     *
-     * @param string               $id     DC ID
-     * @param DataCenterConnection $socket DC object
-     *
-     * @return \Generator
-     */
-    public function initAuthorizationSocket(string $id, \danog\MadelineProto\DataCenterConnection $socket, array $extra = [])
-    {
-        return $this->__call(__FUNCTION__, [$id, $socket, $extra]);
-    }
-    /**
-     * Sync authorization data between DCs.
-     *
-     * @param string $id DC ID
-     *
-     * @return \Generator
-     */
-    public function syncAuthorization(string $id, array $extra = [])
-    {
-        return $this->__call(__FUNCTION__, [$id, $extra]);
-    }
     /**
      * Call method and wait asynchronously for response.
      *
@@ -4945,17 +4857,6 @@ class InternalDoc extends APIFactory
     {
         return $this->__call(__FUNCTION__, [$params, $extra]);
     }
-    /**
-     * Sanify TL obtained from JSON for TL serialization.
-     *
-     * @param array $input Data to sanitize
-
-     * @return array
-     */
-    public function convertJsonTL(array $input): array
-    {
-        return \danog\MadelineProto\MTProto::convertJsonTL($input);
-    }
     /**
      * Generate MTProto vector hash.
      *
diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index 5c208de4..8ed292b7 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -1414,6 +1414,8 @@ class MTProto extends AsyncConstruct implements TLCallback
      *
      * @param string $datacenter DC ID
      *
+     * @internal
+     *
      * @return boolean
      */
     public function isHttp(string $datacenter): bool
diff --git a/src/danog/MadelineProto/MTProtoTools/AuthKeyHandler.php b/src/danog/MadelineProto/MTProtoTools/AuthKeyHandler.php
index 22707f39..d6ca3bb9 100644
--- a/src/danog/MadelineProto/MTProtoTools/AuthKeyHandler.php
+++ b/src/danog/MadelineProto/MTProtoTools/AuthKeyHandler.php
@@ -53,6 +53,8 @@ trait AuthKeyHandler
      * @param int    $expires_in Expiry date of auth key, -1 for permanent auth key
      * @param string $datacenter DC ID
      *
+     * @internal
+     *
      * @return \Generator<AuthKey>
      */
     public function createAuthKey(int $expires_in, string $datacenter): \Generator
@@ -465,6 +467,8 @@ trait AuthKeyHandler
      * @param BigInteger $p
      * @param BigInteger $g
      *
+     * @internal
+     *
      * @return boolean
      */
     public function checkPG(BigInteger $p, BigInteger $g): bool
@@ -516,6 +520,8 @@ trait AuthKeyHandler
     /**
      * Get diffie-hellman configuration.
      *
+     * @internal
+     *
      * @return \Generator<array>
      */
     public function getDhConfig(): \Generator
@@ -539,6 +545,8 @@ trait AuthKeyHandler
      * @param integer $expires_in Date of expiry for binding
      * @param string  $datacenter DC ID
      *
+     * @internal
+     *
      * @return \Generator<bool>
      */
     public function bindTempAuthKey(int $expires_in, string $datacenter): \Generator
@@ -636,6 +644,8 @@ trait AuthKeyHandler
     /**
      * Asynchronously create, bind and check auth keys for all DCs.
      *
+     * @internal
+     *
      * @return \Generator
      */
     public function initAuthorization(): \Generator
@@ -698,6 +708,8 @@ trait AuthKeyHandler
      * @param string               $id     DC ID
      * @param DataCenterConnection $socket DC object
      *
+     * @internal
+     *
      * @return \Generator
      */
     public function initAuthorizationSocket(string $id, DataCenterConnection $socket): \Generator
@@ -766,6 +778,8 @@ trait AuthKeyHandler
      *
      * @param string $id DC ID
      *
+     * @internal
+     *
      * @return \Generator
      */
     public function syncAuthorization(string $id): \Generator
diff --git a/src/danog/MadelineProto/Tools.php b/src/danog/MadelineProto/Tools.php
index a4323164..42069c83 100644
--- a/src/danog/MadelineProto/Tools.php
+++ b/src/danog/MadelineProto/Tools.php
@@ -48,8 +48,8 @@ trait Tools
      *
      * @param array $input Data to sanitize
      *
-     * @internal 
-     * 
+     * @internal
+     *
      * @return array
      */
     public static function convertJsonTL(array $input): array