diff --git a/src/Monolog/Handler/AbstractHandler.php b/src/Monolog/Handler/AbstractHandler.php
index 6d0fdae2..1f467951 100644
--- a/src/Monolog/Handler/AbstractHandler.php
+++ b/src/Monolog/Handler/AbstractHandler.php
@@ -13,6 +13,7 @@ namespace Monolog\Handler;
 
 use Monolog\Logger;
 use Monolog\ResettableInterface;
+use Psr\Log\LogLevel;
 
 /**
  * Base Handler class providing basic level/bubble support
@@ -20,6 +21,7 @@ use Monolog\ResettableInterface;
  * @author Jordi Boggiano <j.boggiano@seld.be>
  *
  * @phpstan-import-type Level from \Monolog\Logger
+ * @phpstan-import-type LevelName from \Monolog\Logger
  */
 abstract class AbstractHandler extends Handler implements ResettableInterface
 {
@@ -34,6 +36,8 @@ abstract class AbstractHandler extends Handler implements ResettableInterface
     /**
      * @param int|string $level  The minimum logging level at which this handler will be triggered
      * @param bool       $bubble Whether the messages that are handled can bubble up the stack or not
+     *
+     * @phpstan-param Level|LevelName|LogLevel::* $level
      */
     public function __construct($level = Logger::DEBUG, bool $bubble = true)
     {
@@ -52,7 +56,7 @@ abstract class AbstractHandler extends Handler implements ResettableInterface
     /**
      * Sets minimum logging level at which this handler will be triggered.
      *
-     * @param  int|string $level Level or level name
+     * @param  Level|LevelName|LogLevel::* $level Level or level name
      * @return self
      */
     public function setLevel($level): self
diff --git a/src/Monolog/Handler/AbstractSyslogHandler.php b/src/Monolog/Handler/AbstractSyslogHandler.php
index 55a3384d..673561ab 100644
--- a/src/Monolog/Handler/AbstractSyslogHandler.php
+++ b/src/Monolog/Handler/AbstractSyslogHandler.php
@@ -61,8 +61,6 @@ abstract class AbstractSyslogHandler extends AbstractProcessingHandler
 
     /**
      * @param string|int $facility Either one of the names of the keys in $this->facilities, or a LOG_* facility constant
-     * @param string|int $level    The minimum logging level at which this handler will be triggered
-     * @param bool       $bubble   Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct($facility = LOG_USER, $level = Logger::DEBUG, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/AmqpHandler.php b/src/Monolog/Handler/AmqpHandler.php
index d91f1b68..ea7f5d3f 100644
--- a/src/Monolog/Handler/AmqpHandler.php
+++ b/src/Monolog/Handler/AmqpHandler.php
@@ -36,8 +36,6 @@ class AmqpHandler extends AbstractProcessingHandler
     /**
      * @param AMQPExchange|AMQPChannel $exchange     AMQPExchange (php AMQP ext) or PHP AMQP lib channel, ready for use
      * @param string|null              $exchangeName Optional exchange name, for AMQPChannel (PhpAmqpLib) only
-     * @param string|int               $level        The minimum logging level at which this handler will be triggered
-     * @param bool                     $bubble       Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct($exchange, ?string $exchangeName = null, $level = Logger::DEBUG, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/BufferHandler.php b/src/Monolog/Handler/BufferHandler.php
index 874fd0d9..e4b46a97 100644
--- a/src/Monolog/Handler/BufferHandler.php
+++ b/src/Monolog/Handler/BufferHandler.php
@@ -45,8 +45,6 @@ class BufferHandler extends AbstractHandler implements ProcessableHandlerInterfa
     /**
      * @param HandlerInterface $handler         Handler.
      * @param int              $bufferLimit     How many entries should be buffered at most, beyond that the oldest items are removed from the buffer.
-     * @param string|int       $level           The minimum logging level at which this handler will be triggered
-     * @param bool             $bubble          Whether the messages that are handled can bubble up the stack or not
      * @param bool             $flushOnOverflow If true, the buffer is flushed when the max size has been reached, by default oldest entries are discarded
      */
     public function __construct(HandlerInterface $handler, int $bufferLimit = 0, $level = Logger::DEBUG, bool $bubble = true, bool $flushOnOverflow = false)
diff --git a/src/Monolog/Handler/ChromePHPHandler.php b/src/Monolog/Handler/ChromePHPHandler.php
index d9b58767..27214665 100644
--- a/src/Monolog/Handler/ChromePHPHandler.php
+++ b/src/Monolog/Handler/ChromePHPHandler.php
@@ -64,10 +64,6 @@ class ChromePHPHandler extends AbstractProcessingHandler
     /** @var bool */
     protected static $sendHeaders = true;
 
-    /**
-     * @param string|int $level  The minimum logging level at which this handler will be triggered
-     * @param bool       $bubble Whether the messages that are handled can bubble up the stack or not
-     */
     public function __construct($level = Logger::DEBUG, bool $bubble = true)
     {
         parent::__construct($level, $bubble);
diff --git a/src/Monolog/Handler/DynamoDbHandler.php b/src/Monolog/Handler/DynamoDbHandler.php
index 9948ef19..9973fc3b 100644
--- a/src/Monolog/Handler/DynamoDbHandler.php
+++ b/src/Monolog/Handler/DynamoDbHandler.php
@@ -48,9 +48,6 @@ class DynamoDbHandler extends AbstractProcessingHandler
      */
     protected $marshaler;
 
-    /**
-     * @param int|string $level
-     */
     public function __construct(DynamoDbClient $client, string $table, $level = Logger::DEBUG, bool $bubble = true)
     {
         /** @phpstan-ignore-next-line */
diff --git a/src/Monolog/Handler/ElasticaHandler.php b/src/Monolog/Handler/ElasticaHandler.php
index 3c6f8795..26f2187c 100644
--- a/src/Monolog/Handler/ElasticaHandler.php
+++ b/src/Monolog/Handler/ElasticaHandler.php
@@ -49,8 +49,6 @@ class ElasticaHandler extends AbstractProcessingHandler
     /**
      * @param Client     $client  Elastica Client object
      * @param mixed[]    $options Handler configuration
-     * @param int|string $level   The minimum logging level at which this handler will be triggered
-     * @param bool       $bubble  Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct(Client $client, array $options = [], $level = Logger::DEBUG, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/ElasticsearchHandler.php b/src/Monolog/Handler/ElasticsearchHandler.php
index fddcc5be..44787dbe 100644
--- a/src/Monolog/Handler/ElasticsearchHandler.php
+++ b/src/Monolog/Handler/ElasticsearchHandler.php
@@ -56,8 +56,6 @@ class ElasticsearchHandler extends AbstractProcessingHandler
     /**
      * @param Client     $client  Elasticsearch Client object
      * @param mixed[]    $options Handler configuration
-     * @param string|int $level   The minimum logging level at which this handler will be triggered
-     * @param bool       $bubble  Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct(Client $client, array $options = [], $level = Logger::DEBUG, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/ErrorLogHandler.php b/src/Monolog/Handler/ErrorLogHandler.php
index fb0ebf2f..5b75b000 100644
--- a/src/Monolog/Handler/ErrorLogHandler.php
+++ b/src/Monolog/Handler/ErrorLogHandler.php
@@ -32,8 +32,6 @@ class ErrorLogHandler extends AbstractProcessingHandler
 
     /**
      * @param int        $messageType    Says where the error should go.
-     * @param int|string $level          The minimum logging level at which this handler will be triggered
-     * @param bool       $bubble         Whether the messages that are handled can bubble up the stack or not
      * @param bool       $expandNewlines If set to true, newlines in the message will be expanded to be take multiple log entries
      */
     public function __construct(int $messageType = self::OPERATING_SYSTEM, $level = Logger::DEBUG, bool $bubble = true, bool $expandNewlines = false)
diff --git a/src/Monolog/Handler/GelfHandler.php b/src/Monolog/Handler/GelfHandler.php
index d6965fa7..5a4c8ac9 100644
--- a/src/Monolog/Handler/GelfHandler.php
+++ b/src/Monolog/Handler/GelfHandler.php
@@ -31,8 +31,6 @@ class GelfHandler extends AbstractProcessingHandler
 
     /**
      * @param PublisherInterface $publisher a publisher object
-     * @param string|int         $level     The minimum logging level at which this handler will be triggered
-     * @param bool               $bubble    Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct(PublisherInterface $publisher, $level = Logger::DEBUG, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/IFTTTHandler.php b/src/Monolog/Handler/IFTTTHandler.php
index c8ed6ff7..502f8c3c 100644
--- a/src/Monolog/Handler/IFTTTHandler.php
+++ b/src/Monolog/Handler/IFTTTHandler.php
@@ -35,8 +35,6 @@ class IFTTTHandler extends AbstractProcessingHandler
     /**
      * @param string     $eventName The name of the IFTTT Maker event that should be triggered
      * @param string     $secretKey A valid IFTTT secret key
-     * @param string|int $level     The minimum logging level at which this handler will be triggered
-     * @param bool       $bubble    Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct(string $eventName, string $secretKey, $level = Logger::ERROR, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/LogglyHandler.php b/src/Monolog/Handler/LogglyHandler.php
index cd110bf7..27ab9dc0 100644
--- a/src/Monolog/Handler/LogglyHandler.php
+++ b/src/Monolog/Handler/LogglyHandler.php
@@ -45,8 +45,6 @@ class LogglyHandler extends AbstractProcessingHandler
 
     /**
      * @param string     $token  API token supplied by Loggly
-     * @param string|int $level  The minimum logging level to trigger this handler
-     * @param bool       $bubble Whether or not messages that are handled should bubble up the stack.
      *
      * @throws MissingExtensionException If the curl extension is missing
      */
diff --git a/src/Monolog/Handler/MandrillHandler.php b/src/Monolog/Handler/MandrillHandler.php
index 95c612a8..f49dc1c4 100644
--- a/src/Monolog/Handler/MandrillHandler.php
+++ b/src/Monolog/Handler/MandrillHandler.php
@@ -32,8 +32,6 @@ class MandrillHandler extends MailHandler
      *
      * @param string                 $apiKey  A valid Mandrill API key
      * @param callable|Swift_Message $message An example message for real messages, only the body will be replaced
-     * @param string|int             $level   The minimum logging level at which this handler will be triggered
-     * @param bool                   $bubble  Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct(string $apiKey, $message, $level = Logger::ERROR, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/MongoDBHandler.php b/src/Monolog/Handler/MongoDBHandler.php
index 477bcd64..30630911 100644
--- a/src/Monolog/Handler/MongoDBHandler.php
+++ b/src/Monolog/Handler/MongoDBHandler.php
@@ -46,8 +46,6 @@ class MongoDBHandler extends AbstractProcessingHandler
      * @param Client|Manager $mongodb    MongoDB library or driver client
      * @param string         $database   Database name
      * @param string         $collection Collection name
-     * @param string|int     $level      The minimum logging level at which this handler will be triggered
-     * @param bool           $bubble     Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct($mongodb, string $database, string $collection, $level = Logger::DEBUG, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/NativeMailerHandler.php b/src/Monolog/Handler/NativeMailerHandler.php
index c2ef64e6..6f2f965b 100644
--- a/src/Monolog/Handler/NativeMailerHandler.php
+++ b/src/Monolog/Handler/NativeMailerHandler.php
@@ -68,8 +68,6 @@ class NativeMailerHandler extends MailHandler
      * @param string|string[] $to             The receiver of the mail
      * @param string       $subject        The subject of the mail
      * @param string       $from           The sender of the mail
-     * @param string|int   $level          The minimum logging level at which this handler will be triggered
-     * @param bool         $bubble         Whether the messages that are handled can bubble up the stack or not
      * @param int          $maxColumnWidth The maximum column width that the message lines will have
      */
     public function __construct($to, string $subject, string $from, $level = Logger::ERROR, bool $bubble = true, int $maxColumnWidth = 70)
diff --git a/src/Monolog/Handler/NewRelicHandler.php b/src/Monolog/Handler/NewRelicHandler.php
index 25df5427..114d749e 100644
--- a/src/Monolog/Handler/NewRelicHandler.php
+++ b/src/Monolog/Handler/NewRelicHandler.php
@@ -52,8 +52,6 @@ class NewRelicHandler extends AbstractProcessingHandler
     /**
      * {@inheritDoc}
      *
-     * @param string|int  $level           The minimum logging level at which this handler will be triggered.
-     * @param bool        $bubble          Whether the messages that are handled can bubble up the stack or not.
      * @param string|null $appName
      * @param bool        $explodeArrays
      * @param string|null $transactionName
diff --git a/src/Monolog/Handler/NullHandler.php b/src/Monolog/Handler/NullHandler.php
index 1f0078ac..482e7f68 100644
--- a/src/Monolog/Handler/NullHandler.php
+++ b/src/Monolog/Handler/NullHandler.php
@@ -12,6 +12,7 @@
 namespace Monolog\Handler;
 
 use Monolog\Logger;
+use Psr\Log\LogLevel;
 
 /**
  * Blackhole
@@ -20,6 +21,9 @@ use Monolog\Logger;
  * to put on top of an existing stack to override it temporarily.
  *
  * @author Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * @phpstan-import-type Level from \Monolog\Logger
+ * @phpstan-import-type LevelName from \Monolog\Logger
  */
 class NullHandler extends Handler
 {
@@ -30,6 +34,8 @@ class NullHandler extends Handler
 
     /**
      * @param string|int $level The minimum logging level at which this handler will be triggered
+     *
+     * @phpstan-param Level|LevelName|LogLevel::* $level
      */
     public function __construct($level = Logger::DEBUG)
     {
diff --git a/src/Monolog/Handler/OverflowHandler.php b/src/Monolog/Handler/OverflowHandler.php
index 04760749..77bd618a 100644
--- a/src/Monolog/Handler/OverflowHandler.php
+++ b/src/Monolog/Handler/OverflowHandler.php
@@ -61,8 +61,6 @@ class OverflowHandler extends AbstractHandler implements FormattableHandlerInter
     /**
      * @param HandlerInterface $handler
      * @param int[]            $thresholdMap Dictionary of logger level => threshold
-     * @param int|string       $level        The minimum logging level at which this handler will be triggered
-     * @param bool             $bubble
      */
     public function __construct(
         HandlerInterface $handler,
diff --git a/src/Monolog/Handler/PHPConsoleHandler.php b/src/Monolog/Handler/PHPConsoleHandler.php
index d596c046..16edf101 100644
--- a/src/Monolog/Handler/PHPConsoleHandler.php
+++ b/src/Monolog/Handler/PHPConsoleHandler.php
@@ -72,8 +72,6 @@ class PHPConsoleHandler extends AbstractProcessingHandler
     /**
      * @param  array<string, mixed> $options   See \Monolog\Handler\PHPConsoleHandler::$options for more details
      * @param  Connector|null       $connector Instance of \PhpConsole\Connector class (optional)
-     * @param  string|int           $level     The minimum logging level at which this handler will be triggered.
-     * @param  bool                 $bubble    Whether the messages that are handled can bubble up the stack or not.
      * @throws \RuntimeException
      */
     public function __construct(array $options = [], ?Connector $connector = null, $level = Logger::DEBUG, bool $bubble = true)
diff --git a/src/Monolog/Handler/ProcessHandler.php b/src/Monolog/Handler/ProcessHandler.php
index 97549949..d057efae 100644
--- a/src/Monolog/Handler/ProcessHandler.php
+++ b/src/Monolog/Handler/ProcessHandler.php
@@ -60,8 +60,6 @@ class ProcessHandler extends AbstractProcessingHandler
     /**
      * @param  string                    $command Command for the process to start. Absolute paths are recommended,
      *                                            especially if you do not use the $cwd parameter.
-     * @param  string|int                $level   The minimum logging level at which this handler will be triggered.
-     * @param  bool                      $bubble  Whether the messages that are handled can bubble up the stack or not.
      * @param  string|null               $cwd     "Current working directory" (CWD) for the process to be executed in.
      * @throws \InvalidArgumentException
      */
diff --git a/src/Monolog/Handler/PsrHandler.php b/src/Monolog/Handler/PsrHandler.php
index cba96a55..36e19ccc 100644
--- a/src/Monolog/Handler/PsrHandler.php
+++ b/src/Monolog/Handler/PsrHandler.php
@@ -40,8 +40,6 @@ class PsrHandler extends AbstractHandler implements FormattableHandlerInterface
 
     /**
      * @param LoggerInterface $logger The underlying PSR-3 compliant logger to which messages will be proxied
-     * @param string|int      $level  The minimum logging level at which this handler will be triggered
-     * @param bool            $bubble Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct(LoggerInterface $logger, $level = Logger::DEBUG, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/RedisHandler.php b/src/Monolog/Handler/RedisHandler.php
index 02ee1c14..938eee6b 100644
--- a/src/Monolog/Handler/RedisHandler.php
+++ b/src/Monolog/Handler/RedisHandler.php
@@ -40,8 +40,6 @@ class RedisHandler extends AbstractProcessingHandler
     /**
      * @param \Predis\Client|\Redis $redis   The redis instance
      * @param string                $key     The key name to push records to
-     * @param string|int            $level   The minimum logging level at which this handler will be triggered
-     * @param bool                  $bubble  Whether the messages that are handled can bubble up the stack or not
      * @param int                   $capSize Number of entries to limit list size to, 0 = unlimited
      */
     public function __construct($redis, string $key, $level = Logger::DEBUG, bool $bubble = true, int $capSize = 0)
diff --git a/src/Monolog/Handler/RedisPubSubHandler.php b/src/Monolog/Handler/RedisPubSubHandler.php
index f6db4803..45218b30 100644
--- a/src/Monolog/Handler/RedisPubSubHandler.php
+++ b/src/Monolog/Handler/RedisPubSubHandler.php
@@ -36,8 +36,6 @@ class RedisPubSubHandler extends AbstractProcessingHandler
     /**
      * @param \Predis\Client|\Redis $redis  The redis instance
      * @param string                $key    The channel key to publish records to
-     * @param string|int            $level  The minimum logging level at which this handler will be triggered
-     * @param bool                  $bubble Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct($redis, string $key, $level = Logger::DEBUG, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/RollbarHandler.php b/src/Monolog/Handler/RollbarHandler.php
index fdc4abb9..2d94da42 100644
--- a/src/Monolog/Handler/RollbarHandler.php
+++ b/src/Monolog/Handler/RollbarHandler.php
@@ -62,8 +62,6 @@ class RollbarHandler extends AbstractProcessingHandler
 
     /**
      * @param RollbarLogger $rollbarLogger RollbarLogger object constructed with valid token
-     * @param string|int    $level         The minimum logging level at which this handler will be triggered
-     * @param bool          $bubble        Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct(RollbarLogger $rollbarLogger, $level = Logger::ERROR, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/SendGridHandler.php b/src/Monolog/Handler/SendGridHandler.php
index 3dcf9155..02ccc4fe 100644
--- a/src/Monolog/Handler/SendGridHandler.php
+++ b/src/Monolog/Handler/SendGridHandler.php
@@ -56,8 +56,6 @@ class SendGridHandler extends MailHandler
      * @param string          $from    The sender of the email
      * @param string|string[] $to      The recipients of the email
      * @param string          $subject The subject of the mail
-     * @param int|string      $level   The minimum logging level at which this handler will be triggered
-     * @param bool            $bubble  Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct(string $apiUser, string $apiKey, string $from, $to, string $subject, $level = Logger::ERROR, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/SlackHandler.php b/src/Monolog/Handler/SlackHandler.php
index 67e97474..13ad8b71 100644
--- a/src/Monolog/Handler/SlackHandler.php
+++ b/src/Monolog/Handler/SlackHandler.php
@@ -44,8 +44,6 @@ class SlackHandler extends SocketHandler
      * @param  string|null               $username               Name of a bot
      * @param  bool                      $useAttachment          Whether the message should be added to Slack as attachment (plain text otherwise)
      * @param  string|null               $iconEmoji              The emoji name to use (or null)
-     * @param  int                       $level                  The minimum logging level at which this handler will be triggered
-     * @param  bool                      $bubble                 Whether the messages that are handled can bubble up the stack or not
      * @param  bool                      $useShortAttachment     Whether the context/extra messages added to Slack as attachments are in a short style
      * @param  bool                      $includeContextAndExtra Whether the attachment should include context and extra data
      * @param  string[]                  $excludeFields          Dot separated list of fields to exclude from slack message. E.g. ['context.field1', 'extra.field2']
diff --git a/src/Monolog/Handler/SlackWebhookHandler.php b/src/Monolog/Handler/SlackWebhookHandler.php
index 33ac1387..1c934774 100644
--- a/src/Monolog/Handler/SlackWebhookHandler.php
+++ b/src/Monolog/Handler/SlackWebhookHandler.php
@@ -44,8 +44,6 @@ class SlackWebhookHandler extends AbstractProcessingHandler
      * @param string|null $iconEmoji              The emoji name to use (or null)
      * @param bool        $useShortAttachment     Whether the the context/extra messages added to Slack as attachments are in a short style
      * @param bool        $includeContextAndExtra Whether the attachment should include context and extra data
-     * @param string|int  $level                  The minimum logging level at which this handler will be triggered
-     * @param bool        $bubble                 Whether the messages that are handled can bubble up the stack or not
      * @param string[]    $excludeFields          Dot separated list of fields to exclude from slack message. E.g. ['context.field1', 'extra.field2']
      */
     public function __construct(
diff --git a/src/Monolog/Handler/SocketHandler.php b/src/Monolog/Handler/SocketHandler.php
index 4a1d7bf1..e35cac92 100644
--- a/src/Monolog/Handler/SocketHandler.php
+++ b/src/Monolog/Handler/SocketHandler.php
@@ -48,9 +48,7 @@ class SocketHandler extends AbstractProcessingHandler
     private $lastWritingAt = null;
 
     /**
-     * @param string     $connectionString Socket connection string
-     * @param int|string $level            The minimum logging level at which this handler will be triggered
-     * @param bool       $bubble           Whether the messages that are handled can bubble up the stack or not
+     * @param string $connectionString Socket connection string
      */
     public function __construct(string $connectionString, $level = Logger::DEBUG, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/StreamHandler.php b/src/Monolog/Handler/StreamHandler.php
index 4ef049f3..51eb0268 100644
--- a/src/Monolog/Handler/StreamHandler.php
+++ b/src/Monolog/Handler/StreamHandler.php
@@ -42,8 +42,6 @@ class StreamHandler extends AbstractProcessingHandler
 
     /**
      * @param resource|string $stream         If a missing path can't be created, an UnexpectedValueException will be thrown on first write
-     * @param string|int      $level          The minimum logging level at which this handler will be triggered
-     * @param bool            $bubble         Whether the messages that are handled can bubble up the stack or not
      * @param int|null        $filePermission Optional file permissions (default (0644) are only for owner read/write)
      * @param bool            $useLocking     Try to lock log file before doing any writes
      *
diff --git a/src/Monolog/Handler/SwiftMailerHandler.php b/src/Monolog/Handler/SwiftMailerHandler.php
index aa2181b2..e0e182db 100644
--- a/src/Monolog/Handler/SwiftMailerHandler.php
+++ b/src/Monolog/Handler/SwiftMailerHandler.php
@@ -36,8 +36,6 @@ class SwiftMailerHandler extends MailHandler
      *
      * @param \Swift_Mailer          $mailer  The mailer to use
      * @param callable|Swift_Message $message An example message for real messages, only the body will be replaced
-     * @param string|int             $level   The minimum logging level at which this handler will be triggered
-     * @param bool                   $bubble  Whether the messages that are handled can bubble up the stack or not
      */
     public function __construct(\Swift_Mailer $mailer, $message, $level = Logger::ERROR, bool $bubble = true)
     {
diff --git a/src/Monolog/Handler/TelegramBotHandler.php b/src/Monolog/Handler/TelegramBotHandler.php
index 9ea79a97..78774ce8 100644
--- a/src/Monolog/Handler/TelegramBotHandler.php
+++ b/src/Monolog/Handler/TelegramBotHandler.php
@@ -78,7 +78,6 @@ class TelegramBotHandler extends AbstractProcessingHandler
     /**
      * @param string $apiKey  Telegram bot access token provided by BotFather
      * @param string $channel Telegram channel name
-     * @inheritDoc
      */
     public function __construct(
         string $apiKey,
diff --git a/src/Monolog/Handler/ZendMonitorHandler.php b/src/Monolog/Handler/ZendMonitorHandler.php
index dc99f8f0..7c9577ca 100644
--- a/src/Monolog/Handler/ZendMonitorHandler.php
+++ b/src/Monolog/Handler/ZendMonitorHandler.php
@@ -33,8 +33,6 @@ class ZendMonitorHandler extends AbstractProcessingHandler
     protected $levelMap = [];
 
     /**
-     * @param  string|int                $level  The minimum logging level at which this handler will be triggered.
-     * @param  bool                      $bubble Whether the messages that are handled can bubble up the stack or not.
      * @throws MissingExtensionException
      */
     public function __construct($level = Logger::DEBUG, bool $bubble = true)
diff --git a/src/Monolog/Processor/MercurialProcessor.php b/src/Monolog/Processor/MercurialProcessor.php
index 9aeb3e3a..d4a628f5 100644
--- a/src/Monolog/Processor/MercurialProcessor.php
+++ b/src/Monolog/Processor/MercurialProcessor.php
@@ -12,21 +12,27 @@
 namespace Monolog\Processor;
 
 use Monolog\Logger;
+use Psr\Log\LogLevel;
 
 /**
  * Injects Hg branch and Hg revision number in all records
  *
  * @author Jonathan A. Schweder <jonathanschweder@gmail.com>
+ *
+ * @phpstan-import-type LevelName from \Monolog\Logger
+ * @phpstan-import-type Level from \Monolog\Logger
  */
 class MercurialProcessor implements ProcessorInterface
 {
-    /** @var int */
+    /** @var Level */
     private $level;
     /** @var array{branch: string, revision: string}|array<never>|null */
     private static $cache = null;
 
     /**
-     * @param string|int $level The minimum logging level at which this Processor will be triggered
+     * @param int|string $level The minimum logging level at which this Processor will be triggered
+     *
+     * @phpstan-param Level|LevelName|LogLevel::* $level
      */
     public function __construct($level = Logger::DEBUG)
     {
diff --git a/src/Monolog/SignalHandler.php b/src/Monolog/SignalHandler.php
index 62f45e39..b1fafc01 100644
--- a/src/Monolog/SignalHandler.php
+++ b/src/Monolog/SignalHandler.php
@@ -19,13 +19,16 @@ use ReflectionExtension;
  * Monolog POSIX signal handler
  *
  * @author Robert Gust-Bardon <robert@gust-bardon.org>
+ *
+ * @phpstan-import-type Level from \Monolog\Logger
+ * @phpstan-import-type LevelName from \Monolog\Logger
  */
 class SignalHandler
 {
     /** @var LoggerInterface */
     private $logger;
 
-    /** @var array<int, callable|int> SIG_DFL, SIG_IGN or previous callable */
+    /** @var array<int, callable|string|int> SIG_DFL, SIG_IGN or previous callable */
     private $previousSignalHandler = [];
     /** @var array<int, int> */
     private $signalLevelMap = [];
@@ -43,6 +46,8 @@ class SignalHandler
      * @param bool      $restartSyscalls
      * @param bool|null $async
      * @return $this
+     *
+     * @phpstan-param Level|LevelName|LogLevel::* $level
      */
     public function registerSignalHandler(int $signo, $level = LogLevel::CRITICAL, bool $callPrevious = true, bool $restartSyscalls = true, ?bool $async = true): self
     {