diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index b94e980..f0ea7a2 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -1,26 +1,22 @@
 #syntax=docker/dockerfile:1.16
 
-ARG PHP_VERSION=8.3
-ARG COMPOSER_VERSION=2.9
+ARG PHP_VERSION=8.4
+ARG COMPOSER_VERSION=2.10
 ARG CS_BRANCH=3.13.5
 
 FROM composer:${COMPOSER_VERSION} AS composer_image
 
 FROM php:${PHP_VERSION}-cli-alpine AS dev_image
 ARG CS_BRANCH
+COPY --from=ghcr.io/mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/local/bin/
 RUN set -eu; \
-    apk update \
- && apk upgrade \
- && apk add --no-cache git linux-headers make \
- && apk add --update --no-cache --virtual .build-dependencies $PHPIZE_DEPS \
- && pecl install xdebug \
- && docker-php-ext-enable xdebug \
- && pecl clear-cache \
- && apk del .build-dependencies \
- && mv "$PHP_INI_DIR/php.ini-development" "$PHP_INI_DIR/php.ini" \
- && rm /usr/local/etc/php/conf.d/docker-php-ext-opcache.ini; \
-    set -eux; \
-    sed -i "s|\(memory_limit =\) [1-9]\+[a-zA-Z]\+|\1 1G|" "$PHP_INI_DIR/php.ini"
+  apk upgrade --no-cache --quiet; \
+  apk add --no-cache git make; \
+  install-php-extensions xdebug; \
+  mv "$PHP_INI_DIR/php.ini-development" "$PHP_INI_DIR/php.ini"; \
+  rm /usr/local/etc/php/conf.d/docker-php-ext-opcache.ini; \
+  set -eux; \
+  sed -i "s|\(memory_limit =\) [1-9]\+[a-zA-Z]\+|\1 1G|" "$PHP_INI_DIR/php.ini"
 # xdebug code coverage requires more memory than default amount.
 COPY --from=composer_image --link /usr/bin/composer /usr/local/bin/composer
 WORKDIR /usr/src/cs-test/
diff --git a/.docker/compose.yaml b/.docker/compose.yaml
index 45e774b..b65eb0c 100644
--- a/.docker/compose.yaml
+++ b/.docker/compose.yaml
@@ -3,7 +3,7 @@ services:
   php-dev:
     build:
       args:
-        - PHP_VERSION=${PHP_VERSION:-8.3}
+        - PHP_VERSION=${PHP_VERSION:-8.4}
       context: ../.
       dockerfile: ./.docker/Dockerfile
       target: dev_image
@@ -22,7 +22,7 @@ services:
       - ../.:/usr/src/app/
       - ../AntipinCS/:/usr/src/cs-test/src/Standards/AntipinCS/:ro
       - ../var/coverage-report/:/tmp/coverage-report/
-  dev-coverage:
+  php-dev-coverage:
     build:
       args:
         - PHP_VERSION=8.4
diff --git a/.gitattributes b/.gitattributes
index 03bd40a..f05fffd 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -4,5 +4,7 @@ Makefile  export-ignore
 *.dist    export-ignore
 Tests     export-ignore
 
+*.inc        text eol=lf
+*.php        text eol=lf
 *.sh        text eol=lf
 .docker/*   text eol=lf
\ No newline at end of file
diff --git a/AntipinCS/Sniffs/Classes/PropertyTypeDeclarationSniff.php b/AntipinCS/Sniffs/Classes/PropertyTypeDeclarationSniff.php
index 6bcb073..d69b3ae 100644
--- a/AntipinCS/Sniffs/Classes/PropertyTypeDeclarationSniff.php
+++ b/AntipinCS/Sniffs/Classes/PropertyTypeDeclarationSniff.php
@@ -61,7 +61,7 @@ protected function processMemberVar(File $phpcsFile, $stackPtr): void
     /**
      * Processes normal variables.
      *
-     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file where this token was found.
+     * @param File $phpcsFile The file where this token was found.
      * @param int                         $stackPtr  The position where the token was found.
      *
      * @return void
@@ -76,7 +76,7 @@ protected function processVariable(File $phpcsFile, $stackPtr): void
     /**
      * Processes variables in double quoted strings.
      *
-     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file where this token was found.
+     * @param File $phpcsFile The file where this token was found.
      * @param int                         $stackPtr  The position where the token was found.
      *
      * @return void
diff --git a/AntipinCS/Sniffs/Functions/ParameterTypeDeclarationSniff.php b/AntipinCS/Sniffs/Functions/ParameterTypeDeclarationSniff.php
index 9ca9be8..16120a5 100644
--- a/AntipinCS/Sniffs/Functions/ParameterTypeDeclarationSniff.php
+++ b/AntipinCS/Sniffs/Functions/ParameterTypeDeclarationSniff.php
@@ -10,6 +10,7 @@
 
 namespace MaxAntipin\PHPCS\Standards\AntipinCS\Sniffs\Functions;
 
+use Generator;
 use PHP_CodeSniffer\Files\File;
 use PHP_CodeSniffer\Sniffs\Sniff;
 use PHP_CodeSniffer\Util\Tokens;
@@ -17,7 +18,7 @@
 
 class ParameterTypeDeclarationSniff implements Sniff
 {
-    private const RX_FQCN =
+    private const string RX_FQCN =
         '/^[a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]*(\\\\[a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]*)+$/';
 
     /**
@@ -120,10 +121,10 @@ private function ignoreMethod(File $phpcsFile, int $stackPtr): bool
         $fToken = $tokens[$stackPtr];
         if (
             $this->itemsToIgnore === []
-            // Anonymous or arrow functions can not be ignored.
+            // Anonymous or arrow functions can't be ignored.
             || $fToken['type'] !== 'T_FUNCTION'
             || false === ($cStackPtr = $phpcsFile->findPrevious(T_CLASS, $stackPtr))
-            // Private methods can not be ignored.
+            // Private methods can't be ignored.
             || $phpcsFile->getMethodProperties($stackPtr)['scope'] === 'private'
             || ($cToken = $tokens[$cStackPtr]) && ($cToken['level'] - $fToken['level'] > 1)
             || !($names = $this->getParentNames($phpcsFile, $cStackPtr))
@@ -240,7 +241,7 @@ protected function findClassImports(File $phpcsFile, ?int $limitPtr = null): arr
                     ) use (
                         $getTokenAs,
                         $trimStringTokens
-                    ): \Generator {
+                    ): Generator {
                         $tokens = $phpcsFile->getTokens();
                         $endPtr = $limitPtr;
                         $trimStringTokens($phpcsFile, $startPtr, $endPtr);
@@ -255,7 +256,7 @@ protected function findClassImports(File $phpcsFile, ?int $limitPtr = null): arr
                                 ) use (
                                     $getTokenAs,
                                     $trimStringTokens
-                                ): \Generator {
+                                ): Generator {
                                     $trimStringTokens($phpcsFile, $startPtr, $endPtr);
                                     $tokens = $phpcsFile->getTokens();
                                     $alias = $tokens[$endPtr]['content'];
@@ -293,7 +294,7 @@ protected function findClassImports(File $phpcsFile, ?int $limitPtr = null): arr
     }
 
     /**
-     * @param \PHP_CodeSniffer\Files\File $phpcsFile
+     * @param File $phpcsFile
      * @param int $cStackPtr
      * @return array<int, string>
      */
diff --git a/AntipinCS/Sniffs/Functions/ReturnTypeDeclarationSniff.php b/AntipinCS/Sniffs/Functions/ReturnTypeDeclarationSniff.php
index 3b6ae84..b0de00b 100644
--- a/AntipinCS/Sniffs/Functions/ReturnTypeDeclarationSniff.php
+++ b/AntipinCS/Sniffs/Functions/ReturnTypeDeclarationSniff.php
@@ -36,6 +36,14 @@ public function process(File $phpcsFile, $stackPtr): void
             );
             return;
         }
+        static $skipMethods = ['__construct' => true, '__destruct' => true];
+        if (
+            $token['code'] !== 311
+            && ($methodName = $phpcsFile->getDeclarationName($stackPtr)) !== null
+            && isset($skipMethods[$methodName])
+        ) {
+            return;
+        }
         $methodProperties = $phpcsFile->getMethodProperties($stackPtr);
         if ($methodProperties['return_type'] === '') {
             $phpcsFile->addError(
diff --git a/AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.inc b/AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.1.inc
similarity index 100%
rename from AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.inc
rename to AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.1.inc
diff --git a/AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.2.inc b/AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.2.inc
new file mode 100644
index 0000000..25420e5
--- /dev/null
+++ b/AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.2.inc
@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * This file is auto-generated. DO NOT EDIT.
+ */
+
+declare(strict_types=1);
+
+namespace MaxAntipin\YandexCloud\SDK\Service;
+
+use MaxAntipin\YandexCloud\SDK\Service\Resource\ResourceManager\CloudResource;
+use MaxAntipin\YandexCloud\SDK\Service\Resource\ResourceManager\FolderResource;
+use Thesis\Grpc\Client as GRPCClient;
+use Yandex\Cloud\Resourcemanager\V1\CloudServiceClient;
+use Yandex\Cloud\Resourcemanager\V1\FolderServiceClient;
+
+final class ResourceManagerService implements APIServiceInterface
+{
+    public private(set) CloudResource $cloud {
+        get {
+            return $this->cloud ??= new CloudResource(new CloudServiceClient($this->client));
+        }
+    }
+
+    public private(set) FolderResource $folder {
+        get {
+            return $this->folder ??= new FolderResource(new FolderServiceClient($this->client));
+        }
+    }
+
+    public function __construct(
+        private readonly GRPCClient $client,
+    ) {
+    }
+
+    public function __destruct()
+    {
+    }
+}
diff --git a/AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.php b/AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.php
index 7f881a4..554831d 100644
--- a/AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.php
+++ b/AntipinCS/Tests/Functions/ReturnTypeDeclarationUnitTest.php
@@ -17,18 +17,34 @@
  */
 final class ReturnTypeDeclarationUnitTest extends AbstractSniffUnitTest
 {
+    /**
+     * Get a list of all test files to check.
+     *
+     * @param string $testFileBase The base path that the unit tests files will have.
+     *
+     * @return string[]
+     */
+    protected function getTestFiles($testFileBase): array
+    {
+        return array_map(static fn (int $i): string => $testFileBase . $i . '.inc', range(1, 2));
+    }
+
     /**
      * @return array<int, int>
      */
-    protected function getErrorList(): array
+    protected function getErrorList(string $testFile = ''): array
     {
-        return [
-            65 => 1,
-            68 => 1,
-            73 => 1,
-            75 => 1,
-            77 => 1,
-        ];
+        return match ($testFile) {
+            'ReturnTypeDeclarationUnitTest.1.inc' => [
+                65 => 1,
+                68 => 1,
+                73 => 1,
+                75 => 1,
+                77 => 1,
+            ],
+            'ReturnTypeDeclarationUnitTest.2.inc' => [],
+            default => throw new \RuntimeException('Unhandled test file: ' . $testFile)
+        };
     }
 
     /**
diff --git a/Makefile b/Makefile
index 4adf71c..56f9240 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,9 @@ up:
 	docker compose -f .docker/compose.yaml up -d --build
 	docker compose -f .docker/compose.yaml run --rm --remove-orphans php-dev composer install
 
+run-coverage:
+	docker compose -f .docker/compose.yaml run --rm php-dev-coverage make test-coverage
+
 down:
 	docker compose -f .docker/compose.yaml down
 
@@ -16,7 +19,13 @@ lint:
 	php ./vendor/bin/phpstan analyze
 	php ./vendor/bin/phpcs-check-feature-completeness
 
+fix-lint:
+	php ./vendor/bin/phpcbf
+
 test-cs:
+	cd ../cs-test/ && php ./vendor/bin/phpunit --no-coverage --filter AntipinCS
+
+test-coverage:
 	cd ../cs-test/ && XDEBUG_MODE=coverage php ./vendor/bin/phpunit --filter AntipinCS
 
 check-build:
diff --git a/composer.json b/composer.json
index 2d76104..cb3f054 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     ],
     "license": "Unlicense",
     "require": {
-        "php": ">=8.3",
+        "php": ">=8.4",
         "squizlabs/php_codesniffer": "^3.13",
         "dealerdirect/phpcodesniffer-composer-installer": "^1.2"
     },
@@ -46,6 +46,7 @@
     "config": {
         "allow-plugins": {
             "dealerdirect/phpcodesniffer-composer-installer": true
-        }
+        },
+        "lock": false
     }
 }
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 77e1878..45dd243 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -12,6 +12,6 @@
         <element key="PHP_CodeSniffer\Sniffs\AbstractVariableSniff" value="processMemberVar,processVariable,processVariableInString"/>
         <element key="PHP_CodeSniffer\Tests\Standards\AbstractSniffUnitTest" value="getTestFiles"/>
       </property>
-		</properties>
+    </properties>
   </rule>
 </ruleset>
\ No newline at end of file
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 7eee67c..61c6216 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -1,11 +1,10 @@
-parameters:
-    phpVersion: 80200
-    level: 9
-    paths:
-        - AntipinCS
-    excludePaths:
-        - var (?)
-        - vendor
-    bootstrapFiles:
-        - vendor/autoload.php
+parameters:
+    level: 9
+    paths:
+        - AntipinCS
+    excludePaths:
+        - var (?)
+        - vendor
+    bootstrapFiles:
+        - vendor/autoload.php
         - vendor/squizlabs/php_codesniffer/src/Util/Tokens.php
\ No newline at end of file