diff --git a/examples/simple.php b/examples/simple.php
index 58f545c..7dfca6b 100644
--- a/examples/simple.php
+++ b/examples/simple.php
@@ -1,10 +1,10 @@
 <?php
-use danog\LibDNSNative\NativeEncoderFactory;
-use LibDNS\Records\QuestionFactory;
 use danog\LibDNSNative\NativeDecoderFactory;
-use LibDNS\Records\ResourceQTypes;
+use danog\LibDNSNative\NativeEncoderFactory;
 use LibDNS\Messages\MessageFactory;
 use LibDNS\Messages\MessageTypes;
+use LibDNS\Records\QuestionFactory;
+use LibDNS\Records\ResourceQTypes;
 
 require 'vendor/autoload.php';
 
@@ -18,9 +18,9 @@ $records->add($question);
 $encoder = (new NativeEncoderFactory)->create();
 $question = $encoder->encode($message);
 
-$result = dns_get_record(...$question);
+$result = \dns_get_record(...$question);
 
 $decoder = (new NativeDecoderFactory)->create();
 $result = $decoder->decode($result, ...$question);
 
-var_dump($result);
+\var_dump($result);
diff --git a/lib/NativeDecoder.php b/lib/NativeDecoder.php
index 0a5b65d..5c6c26b 100644
--- a/lib/NativeDecoder.php
+++ b/lib/NativeDecoder.php
@@ -2,7 +2,6 @@
 
 namespace danog\LibDNSNative;
 
-use LibDNS\Decoder\Decoder;
 use LibDNS\Decoder\DecoderFactory;
 use LibDNS\Encoder\EncodingContext;
 use LibDNS\Encoder\EncodingContextFactory;
@@ -50,7 +49,7 @@ class NativeDecoder
     private $decoderFactory;
 
     /**
-     * Map class names to IDs
+     * Map class names to IDs.
      *
      * @var array
      */
@@ -110,7 +109,7 @@ class NativeDecoder
     }
 
     /**
-     * Encode a question record
+     * Encode a question record.
      *
      * @param \LibDNS\Encoder\EncodingContext $encodingContext
      * @param \LibDNS\Records\Question $record
@@ -132,7 +131,7 @@ class NativeDecoder
         }
     }
     /**
-     * Encode a DomainName field
+     * Encode a DomainName field.
      *
      * @param \LibDNS\Records\Types\DomainName $domainName
      * @param \LibDNS\Encoder\EncodingContext $encodingContext
@@ -180,7 +179,7 @@ class NativeDecoder
     }
 
     /**
-     * Encode a resource record
+     * Encode a resource record.
      *
      * @param \LibDNS\Encoder\EncodingContext $encodingContext
      * @param array $record
@@ -243,17 +242,17 @@ class NativeDecoder
 
         $this->encodeQuestionRecord($encodingContext, $domain, $type);
 
-        $expectedAnswers = count($result);
+        $expectedAnswers = \count($result);
         for ($i = 0; $i < $expectedAnswers; $i++) {
             $this->encodeResourceRecord($encodingContext, $result[$i]);
         }
 
-        $expectedAuth = count($authoritative);
+        $expectedAuth = \count($authoritative);
         for ($i = 0; $i < $expectedAuth; $i++) {
             $this->encodeResourceRecord($encodingContext, $authoritative[$i]);
         }
 
-        $expectedAdditional = count($additional);
+        $expectedAdditional = \count($additional);
         for ($i = 0; $i < $expectedAdditional; $i++) {
             $this->encodeResourceRecord($encodingContext, $additional[$i]);
         }
diff --git a/lib/NativeDecoderFactory.php b/lib/NativeDecoderFactory.php
index f50a2b8..4817b2c 100644
--- a/lib/NativeDecoderFactory.php
+++ b/lib/NativeDecoderFactory.php
@@ -9,17 +9,10 @@
 
 namespace danog\LibDNSNative;
 
-use LibDNS\Decoder\DecodingContextFactory;
 use \LibDNS\Messages\MessageFactory;
 use \LibDNS\Packets\PacketFactory;
 use \LibDNS\Records\QuestionFactory;
-use \LibDNS\Records\RDataBuilder;
-use \LibDNS\Records\RDataFactory;
 use \LibDNS\Records\RecordCollectionFactory;
-use \LibDNS\Records\ResourceBuilder;
-use \LibDNS\Records\ResourceFactory;
-use \LibDNS\Records\TypeDefinitions\FieldDefinitionFactory;
-use \LibDNS\Records\TypeDefinitions\TypeDefinitionFactory;
 use \LibDNS\Records\TypeDefinitions\TypeDefinitionManager;
 use \LibDNS\Records\Types\TypeBuilder;
 use \LibDNS\Records\Types\TypeFactory;
diff --git a/lib/NativeEncoder.php b/lib/NativeEncoder.php
index c4d0606..34f611b 100644
--- a/lib/NativeEncoder.php
+++ b/lib/NativeEncoder.php
@@ -1,4 +1,4 @@
-<?php declare (strict_types = 1);
+<?php declare(strict_types = 1);
 /**
  * Encodes Message objects to query strings.
  *
@@ -14,9 +14,8 @@
 
 namespace danog\LibDNSNative;
 
-use LibDNS\Messages\MessageTypes;
 use \LibDNS\Messages\Message;
-use LibDNS\Records\ResourceQTypes;
+use LibDNS\Messages\MessageTypes;
 
 /**
  * Encodes Message objects to query strings.
@@ -45,9 +44,9 @@ class NativeEncoder
         if ($questions->count() !== 1) {
             throw new \InvalidArgumentException('Invalid question: only one question record can be provided at a time');
         }
-        
+
         $question = $questions->getRecordByIndex(0);
-        
+
         return [
             \implode('.', $question->getName()->getLabels()), // Name
             $question->getType(), // Type
diff --git a/lib/NativeEncoderFactory.php b/lib/NativeEncoderFactory.php
index 47f2183..e2ad41b 100644
--- a/lib/NativeEncoderFactory.php
+++ b/lib/NativeEncoderFactory.php
@@ -1,4 +1,4 @@
-<?php declare (strict_types = 1);
+<?php declare(strict_types = 1);
 /**
  * Creates NativeEncoder objects.
  *
diff --git a/test/NativeDecoderTest.php b/test/NativeDecoderTest.php
index 067b1a2..0ddb6ed 100644
--- a/test/NativeDecoderTest.php
+++ b/test/NativeDecoderTest.php
@@ -38,7 +38,7 @@ class NativeDecoderTest extends TestCase
                         'class' => 'IN',
                         'ttl' => 3600,
                         'type' => 48,
-                        'data' => base64_decode('AQADDaCTEREs+ROIGM0v6ulw671NajD2CIwlsyWjmrvFzRGXqgmCg+Wq9CEXfCql1xSZKplX0bzBj5jNcfHxgGtl4Ug='),
+                        'data' => \base64_decode('AQADDaCTEREs+ROIGM0v6ulw671NajD2CIwlsyWjmrvFzRGXqgmCg+Wq9CEXfCql1xSZKplX0bzBj5jNcfHxgGtl4Ug='),
                     ],
 
                     [
@@ -46,7 +46,7 @@ class NativeDecoderTest extends TestCase
                         'class' => 'IN',
                         'ttl' => 3600,
                         'type' => 48,
-                        'data' => base64_decode('AQEDDZnbLMFMq9wz1td9pjovFfcRElhPI06NHcQo456KSpfhqicaVV3JBwHhfipMS28SC3wy1E9KwCvYlM8tS+d3ihk='),
+                        'data' => \base64_decode('AQEDDZnbLMFMq9wz1td9pjovFfcRElhPI06NHcQo456KSpfhqicaVV3JBwHhfipMS28SC3wy1E9KwCvYlM8tS+d3ihk='),
                     ],
                 ],
                 'daniil.it',
@@ -65,7 +65,7 @@ class NativeDecoderTest extends TestCase
                         'class' => 'IN',
                         'ttl' => 2898,
                         'type' => 1,
-                        'data' => base64_decode('EazgLw=='),
+                        'data' => \base64_decode('EazgLw=='),
                     ],
 
                     [
@@ -73,7 +73,7 @@ class NativeDecoderTest extends TestCase
                         'class' => 'IN',
                         'ttl' => 2898,
                         'type' => 1,
-                        'data' => base64_decode('EY6gOw=='),
+                        'data' => \base64_decode('EY6gOw=='),
                     ],
 
                     [
@@ -81,7 +81,7 @@ class NativeDecoderTest extends TestCase
                         'class' => 'IN',
                         'ttl' => 2898,
                         'type' => 1,
-                        'data' => base64_decode('EbJgOw=='),
+                        'data' => \base64_decode('EbJgOw=='),
                     ],
                 ],
                 'apple.com',
@@ -100,7 +100,7 @@ class NativeDecoderTest extends TestCase
                         'class' => 'IN',
                         'ttl' => 166,
                         'type' => 1,
-                        'data' => base64_decode('aBgUIg=='),
+                        'data' => \base64_decode('aBgUIg=='),
                     ],
 
                     [
@@ -108,7 +108,7 @@ class NativeDecoderTest extends TestCase
                         'class' => 'IN',
                         'ttl' => 166,
                         'type' => 1,
-                        'data' => base64_decode('aBgVIg=='),
+                        'data' => \base64_decode('aBgVIg=='),
                     ],
                 ],
                 'amphp.org',
@@ -126,7 +126,7 @@ class NativeDecoderTest extends TestCase
                         'class' => 'IN',
                         'ttl' => 282,
                         'type' => 5,
-                        'data' => base64_decode('A2docwxnb29nbGVob3N0ZWQDY29tAA=='),
+                        'data' => \base64_decode('A2docwxnb29nbGVob3N0ZWQDY29tAA=='),
                     ],
                 ],
                 'tssthacks.daniil.it',
@@ -141,7 +141,7 @@ class NativeDecoderTest extends TestCase
                         'class' => 'IN',
                         'ttl' => 289,
                         'type' => 15,
-                        'data' => base64_decode('AAoCbXgGeWFuZGV4A25ldAA='),
+                        'data' => \base64_decode('AAoCbXgGeWFuZGV4A25ldAA='),
                     ],
                 ],
                 'daniil.it',
diff --git a/test/NativeEncoderTest.php b/test/NativeEncoderTest.php
index b35ead2..9f3de8c 100644
--- a/test/NativeEncoderTest.php
+++ b/test/NativeEncoderTest.php
@@ -5,8 +5,8 @@ namespace danog\LibDNSNative\Test;
 use danog\LibDNSNative\NativeDecoderFactory;
 use danog\LibDNSNative\NativeEncoderFactory;
 use LibDNS\Messages\MessageTypes;
-use PHPUnit\Framework\TestCase;
 use LibDNS\Records\ResourceQTypes;
+use PHPUnit\Framework\TestCase;
 
 class NativeEncoderTest extends TestCase
 {