Add missing return types

Author: wouterj

Definition/BaseNode.php

@@ -442,6 +442,8 @@ final public function finalize(mixed $value): mixed
     /**
      * Validates the type of a Node.
      *
+     * @return void
+     *
      * @throws InvalidTypeException when the value is invalid
      */
     abstract protected function validateType(mixed $value);

Definition/PrototypedArrayNode.php

@@ -156,6 +156,8 @@ public function getPrototype(): PrototypeNodeInterface
     /**
      * Disable adding concrete children for prototyped nodes.
      *
+     * @return never
+     *
      * @throws Exception
      */
     public function addChild(NodeInterface $node)

FileLocator.php

@@ -30,6 +30,9 @@ public function __construct(string|array $paths = [])
         $this->paths = (array) $paths;
     }
 
+    /**
+     * @return string|array
+     */
     public function locate(string $name, string $currentPath = null, bool $first = true)
     {
         if ('' === $name) {

Loader/FileLoader.php

@@ -39,6 +39,8 @@ public function __construct(FileLocatorInterface $locator, string $env = null)
 
     /**
      * Sets the current directory.
+     *
+     * @return void
      */
     public function setCurrentDir(string $dir)
     {
@@ -62,6 +64,8 @@ public function getLocator(): FileLocatorInterface
      * @param string|null          $sourceResource The original resource importing the new resource
      * @param string|string[]|null $exclude        Glob patterns to exclude from the import
      *
+     * @return mixed
+     *
      * @throws LoaderLoadException
      * @throws FileLoaderImportCircularReferenceException
      * @throws FileLocatorFileNotFoundException
@@ -129,7 +133,7 @@ protected function glob(string $pattern, bool $recursive, array|GlobResource &$r
         yield from $resource;
     }
 
-    private function doImport(mixed $resource, string $type = null, bool $ignoreErrors = false, string $sourceResource = null)
+    private function doImport(mixed $resource, string $type = null, bool $ignoreErrors = false, string $sourceResource = null): mixed
     {
         try {
             $loader = $this->resolve($resource, $type);

ResourceCheckerConfigCache.php

@@ -143,7 +143,7 @@ private function getMetaFile(): string
         return $this->file.'.meta';
     }
 
-    private function safelyUnserialize(string $file)
+    private function safelyUnserialize(string $file): mixed
     {
         $meta = false;
         $content = file_get_contents($file);