diff --git a/classes/Downloader.php b/classes/Downloader.php
index c74bf94..ee810eb 100644
--- a/classes/Downloader.php
+++ b/classes/Downloader.php
@@ -4,6 +4,7 @@ namespace Alltube\Library;
 
 use Alltube\Library\Exception\AlltubeLibraryException;
 use Alltube\Library\Exception\AvconvException;
+use Alltube\Library\Exception\EmptyUrlException;
 use Alltube\Library\Exception\InvalidProtocolConversionException;
 use Alltube\Library\Exception\InvalidTimeException;
 use Alltube\Library\Exception\PasswordException;
@@ -14,6 +15,8 @@ use Alltube\Library\Exception\WrongPasswordException;
 use Alltube\Library\Exception\YoutubedlException;
 use GuzzleHttp\Client;
 use Psr\Http\Message\ResponseInterface;
+use Psr\Log\LoggerInterface;
+use Psr\Log\NullLogger;
 use Symfony\Component\Process\Process;
 
 /**
@@ -65,6 +68,11 @@ class Downloader
      */
     private $params;
 
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
     /**
      * Downloader constructor.
      * @param string $youtubedl youtube-dl binary path
@@ -88,15 +96,26 @@ class Downloader
         $this->avconv = $avconv;
         $this->phantomjsDir = $phantomjsDir;
         $this->avconvVerbosity = $avconvVerbosity;
+
+        $this->logger = new NullLogger();
+    }
+
+    /**
+     * @param LoggerInterface $logger
+     * @return void
+     */
+    public function setLogger(LoggerInterface $logger)
+    {
+        $this->logger = $logger;
     }
 
     /**
      * @param string $webpageUrl URL of the page containing the video
      * @param string $requestedFormat Requested video format
-     * @param string $password Password
+     * @param string|null $password Password
      * @return Video
      */
-    public function getVideo($webpageUrl, $requestedFormat = 'best/bestvideo', $password = null)
+    public function getVideo(string $webpageUrl, $requestedFormat = 'best/bestvideo', string $password = null)
     {
         return new Video($this, $webpageUrl, $requestedFormat, $password);
     }
@@ -141,21 +160,24 @@ class Downloader
      * @param int $audioBitrate Audio bitrate of the converted file
      * @param string $filetype Filetype of the converted file
      * @param bool $audioOnly True to return an audio-only file
-     * @param string $from Start the conversion at this time
-     * @param string $to End the conversion at this time
+     * @param string|null $from Start the conversion at this time
+     * @param string|null $to End the conversion at this time
      *
      * @return Process<string> Process
-     * @throws AlltubeLibraryException
      * @throws AvconvException If avconv/ffmpeg is missing
+     * @throws EmptyUrlException
      * @throws InvalidTimeException
+     * @throws PasswordException
+     * @throws WrongPasswordException
+     * @throws YoutubedlException
      */
     private function getAvconvProcess(
         Video $video,
-        $audioBitrate,
+        int $audioBitrate,
         $filetype = 'mp3',
         $audioOnly = true,
-        $from = null,
-        $to = null
+        string $from = null,
+        string $to = null
     ) {
         if (!$this->checkCommand([$this->avconv, '-version'])) {
             throw new AvconvException($this->avconv);
@@ -207,7 +229,10 @@ class Downloader
         $arguments[] = '-user_agent';
         $arguments[] = $video->getProp('dump-user-agent');
 
-        return new Process($arguments);
+        $process = new Process($arguments);
+        $this->logger->debug($process->getCommandLine());
+
+        return $process;
     }
 
 
@@ -226,6 +251,7 @@ class Downloader
         $process = $this->getProcess($arguments);
         //This is needed by the openload extractor because it runs PhantomJS
         $process->setEnv(['PATH' => $this->phantomjsDir]);
+        $this->logger->debug($process->getCommandLine());
         $process->run();
         if (!$process->isSuccessful()) {
             $errorOutput = trim($process->getErrorOutput());
@@ -287,13 +313,22 @@ class Downloader
      *
      * @param Video $video Video object
      * @param int $audioBitrate MP3 bitrate when converting (in kbit/s)
-     * @param string $from Start the conversion at this time
-     * @param string $to End the conversion at this time
+     * @param string|null $from Start the conversion at this time
+     * @param string|null $to End the conversion at this time
      *
      * @return resource popen stream
-     * @throws AlltubeLibraryException
+     * @throws AvconvException
+     * @throws EmptyUrlException
+     * @throws InvalidProtocolConversionException
+     * @throws InvalidTimeException
+     * @throws PasswordException
+     * @throws PlaylistConversionException
+     * @throws PopenStreamException
+     * @throws RemuxException
+     * @throws WrongPasswordException
+     * @throws YoutubedlException
      */
-    public function getAudioStream(Video $video, $audioBitrate = 128, $from = null, $to = null)
+    public function getAudioStream(Video $video, $audioBitrate = 128, string $from = null, string $to = null)
     {
         return $this->getConvertedStream($video, $audioBitrate, 'mp3', true, $from, $to);
     }
@@ -380,22 +415,28 @@ class Downloader
      * @param int $audioBitrate Audio bitrate of the converted file
      * @param string $filetype Filetype of the converted file
      * @param bool $audioOnly True to return an audio-only file
-     * @param string $from Start the conversion at this time
-     * @param string $to End the conversion at this time
+     * @param string|null $from Start the conversion at this time
+     * @param string|null $to End the conversion at this time
      *
      * @return resource popen stream
-     * @throws AlltubeLibraryException
-     * @throws PopenStreamException If the popen stream was not created correctly
+     * @throws AvconvException
+     * @throws EmptyUrlException
      * @throws InvalidProtocolConversionException If you try to convert an M3U or Dash media
+     * @throws InvalidTimeException
+     * @throws PasswordException
      * @throws PlaylistConversionException If you try to convert a playlist
+     * @throws PopenStreamException If the popen stream was not created correctly
+     * @throws RemuxException
+     * @throws WrongPasswordException
+     * @throws YoutubedlException
      */
     public function getConvertedStream(
         Video $video,
-        $audioBitrate,
-        $filetype,
+        int $audioBitrate,
+        string $filetype,
         $audioOnly = false,
-        $from = null,
-        $to = null
+        string $from = null,
+        string $to = null
     ) {
         if (isset($video->_type) && $video->_type == 'playlist') {
             throw new PlaylistConversionException();
diff --git a/classes/exceptions/AlltubeLibraryException.php b/classes/Exception/AlltubeLibraryException.php
similarity index 100%
rename from classes/exceptions/AlltubeLibraryException.php
rename to classes/Exception/AlltubeLibraryException.php
diff --git a/classes/exceptions/AvconvException.php b/classes/Exception/AvconvException.php
similarity index 88%
rename from classes/exceptions/AvconvException.php
rename to classes/Exception/AvconvException.php
index 760c8e9..70983e3 100644
--- a/classes/exceptions/AvconvException.php
+++ b/classes/Exception/AvconvException.php
@@ -11,7 +11,7 @@ class AvconvException extends AlltubeLibraryException
      * AvconvException constructor.
      * @param string $path Path to avconv or ffmpeg.
      */
-    public function __construct($path)
+    public function __construct(string $path)
     {
         parent::__construct("Can't find avconv or ffmpeg at " . $path . '.');
     }
diff --git a/classes/exceptions/EmptyUrlException.php b/classes/Exception/EmptyUrlException.php
similarity index 100%
rename from classes/exceptions/EmptyUrlException.php
rename to classes/Exception/EmptyUrlException.php
diff --git a/classes/exceptions/InvalidProtocolConversionException.php b/classes/Exception/InvalidProtocolConversionException.php
similarity index 87%
rename from classes/exceptions/InvalidProtocolConversionException.php
rename to classes/Exception/InvalidProtocolConversionException.php
index 8f5fbbc..e8cec37 100644
--- a/classes/exceptions/InvalidProtocolConversionException.php
+++ b/classes/Exception/InvalidProtocolConversionException.php
@@ -11,7 +11,7 @@ class InvalidProtocolConversionException extends AlltubeLibraryException
      * InvalidProtocolConversionException constructor.
      * @param string $protocol Protocol
      */
-    public function __construct($protocol)
+    public function __construct(string $protocol)
     {
         parent::__construct($protocol . ' protocol is not supported in conversions.');
     }
diff --git a/classes/exceptions/InvalidTimeException.php b/classes/Exception/InvalidTimeException.php
similarity index 86%
rename from classes/exceptions/InvalidTimeException.php
rename to classes/Exception/InvalidTimeException.php
index 8fbfaa1..1e19188 100644
--- a/classes/exceptions/InvalidTimeException.php
+++ b/classes/Exception/InvalidTimeException.php
@@ -12,7 +12,7 @@ class InvalidTimeException extends AlltubeLibraryException
      * InvalidTimeException constructor.
      * @param string $time Invalid time
      */
-    public function __construct($time)
+    public function __construct(string $time)
     {
         parent::__construct('Invalid time: ' . $time);
     }
diff --git a/classes/exceptions/PasswordException.php b/classes/Exception/PasswordException.php
similarity index 100%
rename from classes/exceptions/PasswordException.php
rename to classes/Exception/PasswordException.php
diff --git a/classes/exceptions/PlaylistConversionException.php b/classes/Exception/PlaylistConversionException.php
similarity index 100%
rename from classes/exceptions/PlaylistConversionException.php
rename to classes/Exception/PlaylistConversionException.php
diff --git a/classes/exceptions/PopenStreamException.php b/classes/Exception/PopenStreamException.php
similarity index 100%
rename from classes/exceptions/PopenStreamException.php
rename to classes/Exception/PopenStreamException.php
diff --git a/classes/exceptions/RemuxException.php b/classes/Exception/RemuxException.php
similarity index 100%
rename from classes/exceptions/RemuxException.php
rename to classes/Exception/RemuxException.php
diff --git a/classes/exceptions/WrongPasswordException.php b/classes/Exception/WrongPasswordException.php
similarity index 100%
rename from classes/exceptions/WrongPasswordException.php
rename to classes/Exception/WrongPasswordException.php
diff --git a/classes/exceptions/YoutubedlException.php b/classes/Exception/YoutubedlException.php
similarity index 100%
rename from classes/exceptions/YoutubedlException.php
rename to classes/Exception/YoutubedlException.php
diff --git a/classes/Video.php b/classes/Video.php
index df6aced..9efb554 100644
--- a/classes/Video.php
+++ b/classes/Video.php
@@ -81,13 +81,13 @@ class Video
      * @param string $requestedFormat Requested video format
      *                                (can be any format string accepted by youtube-dl,
      *                                including selectors like "[height<=720]")
-     * @param string $password Password
+     * @param string|null $password Password
      */
     public function __construct(
         Downloader $downloader,
-        $webpageUrl,
-        $requestedFormat,
-        $password = null
+        string $webpageUrl,
+        string $requestedFormat,
+        string $password = null
     ) {
         $this->downloader = $downloader;
         $this->webpageUrl = $webpageUrl;
@@ -151,7 +151,7 @@ class Video
      * @throws WrongPasswordException
      * @throws YoutubedlException
      */
-    public function __get($name)
+    public function __get(string $name)
     {
         if (isset($this->$name)) {
             return $this->getJson()->$name;
@@ -170,7 +170,7 @@ class Video
      * @throws WrongPasswordException
      * @throws YoutubedlException
      */
-    public function __isset($name)
+    public function __isset(string $name)
     {
         return isset($this->getJson()->$name);
     }
@@ -225,7 +225,7 @@ class Video
      * @throws WrongPasswordException
      * @throws YoutubedlException
      */
-    public function getFileNameWithExtension($extension)
+    public function getFileNameWithExtension(string $extension)
     {
         if (isset($this->ext)) {
             return str_replace('.' . $this->ext, '.' . $extension, $this->getFilename());
@@ -278,7 +278,7 @@ class Video
      *
      * @return Video
      */
-    public function withFormat($format)
+    public function withFormat(string $format)
     {
         return new self($this->downloader, $this->webpageUrl, $format, $this->password);
     }
diff --git a/composer.json b/composer.json
index 8984422..14654fe 100644
--- a/composer.json
+++ b/composer.json
@@ -4,9 +4,10 @@
   "license": "GPL-3.0-only",
   "homepage": "http://alltubedownload.net/",
   "require": {
+    "ext-json": "*",
     "guzzlehttp/guzzle": "^6.5",
-    "symfony/process": "^4.0|^5.0",
-    "ext-json": "*"
+    "psr/log": "^1.1",
+    "symfony/process": "^4.0|^5.0"
   },
   "require-dev": {
     "phpro/grumphp": "^0.18.0",
@@ -26,8 +27,7 @@
   },
   "autoload": {
     "psr-4": {
-      "Alltube\\Library\\": "classes/",
-      "Alltube\\Library\\Exception\\": "classes/exceptions/"
+      "Alltube\\Library\\": "classes/"
     }
   }
 }
diff --git a/composer.lock b/composer.lock
index 31f45ec..a558939 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "e084bdaf7ed377ff4963c65d85513eca",
+    "content-hash": "9a53e4f77d715163307f6736896493b8",
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
@@ -245,6 +245,53 @@
             ],
             "time": "2016-08-06T14:39:51+00:00"
         },
+        {
+            "name": "psr/log",
+            "version": "1.1.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/log.git",
+                "reference": "0f73288fd15629204f9d42b7055f72dacbe811fc"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/log/zipball/0f73288fd15629204f9d42b7055f72dacbe811fc",
+                "reference": "0f73288fd15629204f9d42b7055f72dacbe811fc",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.1.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Log\\": "Psr/Log/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for logging libraries",
+            "homepage": "https://github.com/php-fig/log",
+            "keywords": [
+                "log",
+                "psr",
+                "psr-3"
+            ],
+            "time": "2020-03-23T09:12:05+00:00"
+        },
         {
             "name": "ralouphie/getallheaders",
             "version": "3.0.3",
@@ -575,478 +622,6 @@
         }
     ],
     "packages-dev": [
-        {
-            "name": "amphp/amp",
-            "version": "v2.4.4",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/amphp/amp.git",
-                "reference": "1e58d53e4af390efc7813e36cd215bd82cba4b06"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/amphp/amp/zipball/1e58d53e4af390efc7813e36cd215bd82cba4b06",
-                "reference": "1e58d53e4af390efc7813e36cd215bd82cba4b06",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7"
-            },
-            "require-dev": {
-                "amphp/php-cs-fixer-config": "dev-master",
-                "amphp/phpunit-util": "^1",
-                "ext-json": "*",
-                "jetbrains/phpstorm-stubs": "^2019.3",
-                "phpunit/phpunit": "^6.0.9 | ^7",
-                "react/promise": "^2",
-                "vimeo/psalm": "^3.11@dev"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "2.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Amp\\": "lib"
-                },
-                "files": [
-                    "lib/functions.php",
-                    "lib/Internal/functions.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Daniel Lowrey",
-                    "email": "rdlowrey@php.net"
-                },
-                {
-                    "name": "Aaron Piotrowski",
-                    "email": "aaron@trowski.com"
-                },
-                {
-                    "name": "Bob Weinand",
-                    "email": "bobwei9@hotmail.com"
-                },
-                {
-                    "name": "Niklas Keller",
-                    "email": "me@kelunik.com"
-                }
-            ],
-            "description": "A non-blocking concurrency framework for PHP applications.",
-            "homepage": "http://amphp.org/amp",
-            "keywords": [
-                "async",
-                "asynchronous",
-                "awaitable",
-                "concurrency",
-                "event",
-                "event-loop",
-                "future",
-                "non-blocking",
-                "promise"
-            ],
-            "time": "2020-04-30T04:54:50+00:00"
-        },
-        {
-            "name": "amphp/byte-stream",
-            "version": "v1.7.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/amphp/byte-stream.git",
-                "reference": "b867505edb79dda8f253ca3c3a2bbadae4b16592"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/amphp/byte-stream/zipball/b867505edb79dda8f253ca3c3a2bbadae4b16592",
-                "reference": "b867505edb79dda8f253ca3c3a2bbadae4b16592",
-                "shasum": ""
-            },
-            "require": {
-                "amphp/amp": "^2"
-            },
-            "require-dev": {
-                "amphp/php-cs-fixer-config": "dev-master",
-                "amphp/phpunit-util": "^1",
-                "friendsofphp/php-cs-fixer": "^2.3",
-                "jetbrains/phpstorm-stubs": "^2019.3",
-                "phpunit/phpunit": "^6 || ^7 || ^8",
-                "vimeo/psalm": "^3.9@dev"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Amp\\ByteStream\\": "lib"
-                },
-                "files": [
-                    "lib/functions.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Aaron Piotrowski",
-                    "email": "aaron@trowski.com"
-                },
-                {
-                    "name": "Niklas Keller",
-                    "email": "me@kelunik.com"
-                }
-            ],
-            "description": "A stream abstraction to make working with non-blocking I/O simple.",
-            "homepage": "http://amphp.org/byte-stream",
-            "keywords": [
-                "amp",
-                "amphp",
-                "async",
-                "io",
-                "non-blocking",
-                "stream"
-            ],
-            "time": "2020-04-04T16:56:54+00:00"
-        },
-        {
-            "name": "amphp/parallel",
-            "version": "v1.4.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/amphp/parallel.git",
-                "reference": "2c1039bf7ca137eae4d954b14c09a7535d7d4e1c"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/amphp/parallel/zipball/2c1039bf7ca137eae4d954b14c09a7535d7d4e1c",
-                "reference": "2c1039bf7ca137eae4d954b14c09a7535d7d4e1c",
-                "shasum": ""
-            },
-            "require": {
-                "amphp/amp": "^2",
-                "amphp/byte-stream": "^1.6.1",
-                "amphp/parser": "^1",
-                "amphp/process": "^1",
-                "amphp/serialization": "^1",
-                "amphp/sync": "^1.0.1",
-                "php": ">=7.1"
-            },
-            "require-dev": {
-                "amphp/php-cs-fixer-config": "dev-master",
-                "amphp/phpunit-util": "^1.1",
-                "phpunit/phpunit": "^8 || ^7"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Amp\\Parallel\\": "lib"
-                },
-                "files": [
-                    "lib/Context/functions.php",
-                    "lib/Sync/functions.php",
-                    "lib/Worker/functions.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Aaron Piotrowski",
-                    "email": "aaron@trowski.com"
-                },
-                {
-                    "name": "Stephen Coakley",
-                    "email": "me@stephencoakley.com"
-                }
-            ],
-            "description": "Parallel processing component for Amp.",
-            "homepage": "https://github.com/amphp/parallel",
-            "keywords": [
-                "async",
-                "asynchronous",
-                "concurrent",
-                "multi-processing",
-                "multi-threading"
-            ],
-            "time": "2020-04-27T15:12:37+00:00"
-        },
-        {
-            "name": "amphp/parallel-functions",
-            "version": "v0.1.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/amphp/parallel-functions.git",
-                "reference": "12e6c602e067b02f78ddf5b720c17e9aa01ad4b4"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/amphp/parallel-functions/zipball/12e6c602e067b02f78ddf5b720c17e9aa01ad4b4",
-                "reference": "12e6c602e067b02f78ddf5b720c17e9aa01ad4b4",
-                "shasum": ""
-            },
-            "require": {
-                "amphp/amp": "^2.0.3",
-                "amphp/parallel": "^0.1.8 || ^0.2 || ^1",
-                "opis/closure": "^3.0.7",
-                "php": ">=7"
-            },
-            "require-dev": {
-                "amphp/phpunit-util": "^1.0",
-                "friendsofphp/php-cs-fixer": "^2.9",
-                "phpunit/phpunit": "^6.5"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Amp\\ParallelFunctions\\": "src"
-                },
-                "files": [
-                    "src/functions.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Niklas Keller",
-                    "email": "me@kelunik.com"
-                }
-            ],
-            "description": "Parallel processing made simple.",
-            "time": "2018-10-28T15:29:02+00:00"
-        },
-        {
-            "name": "amphp/parser",
-            "version": "v1.0.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/amphp/parser.git",
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-            "license": [
-                "MIT"
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-            "authors": [
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-                    "email": "me@kelunik.com"
-                },
-                {
-                    "name": "Aaron Piotrowski",
-                    "email": "aaron@trowski.com"
-                }
-            ],
-            "description": "A generator parser to make streaming parsers simple.",
-            "homepage": "https://github.com/amphp/parser",
-            "keywords": [
-                "async",
-                "non-blocking",
-                "parser",
-                "stream"
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-            "time": "2017-06-06T05:29:10+00:00"
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-                "amphp/phpunit-util": "^1",
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-                },
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-                    "email": "aaron@trowski.com"
-                }
-            ],
-            "description": "Asynchronous process manager.",
-            "homepage": "https://github.com/amphp/process",
-            "time": "2019-02-26T16:33:03+00:00"
-        },
-        {
-            "name": "amphp/serialization",
-            "version": "v1.0.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/amphp/serialization.git",
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-                "phpunit/phpunit": "^9 || ^8 || ^7"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Amp\\Serialization\\": "src"
-                },
-                "files": [
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-                ]
-            },
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-            "license": [
-                "MIT"
-            ],
-            "authors": [
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-                    "email": "aaron@trowski.com"
-                },
-                {
-                    "name": "Niklas Keller",
-                    "email": "me@kelunik.com"
-                }
-            ],
-            "description": "Serialization tools for IPC and data storage in PHP.",
-            "homepage": "https://github.com/amphp/serialization",
-            "keywords": [
-                "async",
-                "asynchronous",
-                "serialization",
-                "serialize"
-            ],
-            "time": "2020-03-25T21:39:07+00:00"
-        },
-        {
-            "name": "amphp/sync",
-            "version": "v1.4.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/amphp/sync.git",
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-                "shasum": ""
-            },
-            "require": {
-                "amphp/amp": "^2.2",
-                "php": ">=7.1"
-            },
-            "require-dev": {
-                "amphp/php-cs-fixer-config": "dev-master",
-                "amphp/phpunit-util": "^1.1",
-                "phpunit/phpunit": "^9 || ^8 || ^7"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Amp\\Sync\\": "src"
-                },
-                "files": [
-                    "src/functions.php",
-                    "src/ConcurrentIterator/functions.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Aaron Piotrowski",
-                    "email": "aaron@trowski.com"
-                },
-                {
-                    "name": "Stephen Coakley",
-                    "email": "me@stephencoakley.com"
-                }
-            ],
-            "description": "Mutex, Semaphore, and other synchronization tools for Amp.",
-            "homepage": "https://github.com/amphp/sync",
-            "keywords": [
-                "async",
-                "asynchronous",
-                "mutex",
-                "semaphore",
-                "synchronization"
-            ],
-            "time": "2020-05-07T18:57:50+00:00"
-        },
         {
             "name": "doctrine/collections",
             "version": "1.6.5",
@@ -1257,67 +832,6 @@
             ],
             "time": "2020-05-22T08:12:19+00:00"
         },
-        {
-            "name": "opis/closure",
-            "version": "3.5.5",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/opis/closure.git",
-                "reference": "dec9fc5ecfca93f45cd6121f8e6f14457dff372c"
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-            },
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-            },
-            "require-dev": {
-                "jeremeamia/superclosure": "^2.0",
-                "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "3.5.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Opis\\Closure\\": "src/"
-                },
-                "files": [
-                    "functions.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Marius Sarca",
-                    "email": "marius.sarca@gmail.com"
-                },
-                {
-                    "name": "Sorin Sarca",
-                    "email": "sarca_sorin@hotmail.com"
-                }
-            ],
-            "description": "A library that can be used to serialize closures (anonymous functions) and arbitrary objects.",
-            "homepage": "https://opis.io/closure",
-            "keywords": [
-                "anonymous functions",
-                "closure",
-                "function",
-                "serializable",
-                "serialization",
-                "serialize"
-            ],
-            "time": "2020-06-17T14:59:55+00:00"
-        },
         {
             "name": "phpro/grumphp",
             "version": "v0.18.1",
@@ -1559,53 +1073,6 @@
             ],
             "time": "2019-01-08T18:20:26+00:00"
         },
-        {
-            "name": "psr/log",
-            "version": "1.1.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/log.git",
-                "reference": "0f73288fd15629204f9d42b7055f72dacbe811fc"
-            },
-            "dist": {
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-                "url": "https://api.github.com/repos/php-fig/log/zipball/0f73288fd15629204f9d42b7055f72dacbe811fc",
-                "reference": "0f73288fd15629204f9d42b7055f72dacbe811fc",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.1.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Log\\": "Psr/Log/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
-                }
-            ],
-            "description": "Common interface for logging libraries",
-            "homepage": "https://github.com/php-fig/log",
-            "keywords": [
-                "log",
-                "psr",
-                "psr-3"
-            ],
-            "time": "2020-03-23T09:12:05+00:00"
-        },
         {
             "name": "roave/security-advisories",
             "version": "dev-master",
diff --git a/grumphp.yml b/grumphp.yml
index 8454537..df983e1 100644
--- a/grumphp.yml
+++ b/grumphp.yml
@@ -8,9 +8,5 @@ parameters:
     composer: ~
     phpcs:
       standard: PSR12
-      ignore_patterns:
-        - RoboFile.php
     phpstan:
       level: max
-      ignore_patterns:
-        - RoboFile.php