Add remaining missing return types to safe methods

Author: wouterj

Command/DebugCommand.php

@@ -305,7 +305,7 @@ private function getLoaderPaths(string $name = null): array
         return $loaderPaths;
     }
 
-    private function getMetadata(string $type, mixed $entity)
+    private function getMetadata(string $type, mixed $entity): mixed
     {
         if ('globals' === $type) {
             return $entity;

Command/LintCommand.php

@@ -143,7 +143,7 @@ private function getFilesInfo(array $filenames): array
         return $filesInfo;
     }
 
-    protected function findFiles(string $filename)
+    protected function findFiles(string $filename): iterable
     {
         if (is_file($filename)) {
             return [$filename];
@@ -172,7 +172,7 @@ private function validate(string $template, string $file): array
         return ['template' => $template, 'file' => $file, 'valid' => true];
     }
 
-    private function display(InputInterface $input, OutputInterface $output, SymfonyStyle $io, array $files)
+    private function display(InputInterface $input, OutputInterface $output, SymfonyStyle $io, array $files): int
     {
         return match ($this->format) {
             'txt' => $this->displayTxt($output, $io, $files),
@@ -205,7 +205,7 @@ private function displayTxt(OutputInterface $output, SymfonyStyle $io, array $fi
         return min($errors, 1);
     }
 
-    private function displayJson(OutputInterface $output, array $filesInfo)
+    private function displayJson(OutputInterface $output, array $filesInfo): int
     {
         $errors = 0;
 
@@ -224,7 +224,7 @@ private function displayJson(OutputInterface $output, array $filesInfo)
         return min($errors, 1);
     }
 
-    private function renderException(SymfonyStyle $output, string $template, Error $exception, string $file = null, GithubActionReporter $githubReporter = null)
+    private function renderException(SymfonyStyle $output, string $template, Error $exception, string $file = null, GithubActionReporter $githubReporter = null): void
     {
         $line = $exception->getTemplateLine();
 

Extension/WorkflowExtension.php

@@ -99,7 +99,7 @@ public function getMarkedPlaces(object $subject, bool $placesNameOnly = true, st
      *                                                Use a string (the place name) to get place metadata
      *                                                Use a Transition instance to get transition metadata
      */
-    public function getMetadata(object $subject, string $key, string|Transition $metadataSubject = null, string $name = null)
+    public function getMetadata(object $subject, string $key, string|Transition $metadataSubject = null, string $name = null): mixed
     {
         return $this
             ->workflowRegistry