Add remaining missing return types to safe methods

Author: wouterj

Command/ConfigDebugCommand.php

@@ -237,7 +237,7 @@ private function getAvailableBundles(bool $alias): array
         return $availableBundles;
     }
 
-    private function getConfig(ExtensionInterface $extension, ContainerBuilder $container, bool $resolveEnvs = false)
+    private function getConfig(ExtensionInterface $extension, ContainerBuilder $container, bool $resolveEnvs = false): mixed
     {
         return $container->resolveEnvPlaceholders(
             $container->getParameterBag()->resolveValue(

Console/Descriptor/Descriptor.php

@@ -120,9 +120,9 @@ abstract protected function describeContainerEnvVars(array $envs, array $options
      * Common options are:
      * * name: name of listened event
      */
-    abstract protected function describeEventDispatcherListeners(EventDispatcherInterface $eventDispatcher, array $options = []);
+    abstract protected function describeEventDispatcherListeners(EventDispatcherInterface $eventDispatcher, array $options = []): void;
 
-    abstract protected function describeCallable(mixed $callable, array $options = []);
+    abstract protected function describeCallable(mixed $callable, array $options = []): void;
 
     protected function formatValue(mixed $value): string
     {

Console/Descriptor/MarkdownDescriptor.php

@@ -336,7 +336,7 @@ protected function describeEventDispatcherListeners(EventDispatcherInterface $ev
         }
     }
 
-    protected function describeCallable(mixed $callable, array $options = [])
+    protected function describeCallable(mixed $callable, array $options = []): void
     {
         $string = '';
 
@@ -359,7 +359,9 @@ protected function describeCallable(mixed $callable, array $options = [])
                 }
             }
 
-            return $this->write($string."\n");
+            $this->write($string."\n");
+
+            return;
         }
 
         if (\is_string($callable)) {
@@ -375,15 +377,19 @@ protected function describeCallable(mixed $callable, array $options = [])
                 $string .= "\n- Static: yes";
             }
 
-            return $this->write($string."\n");
+            $this->write($string."\n");
+
+            return;
         }
 
         if ($callable instanceof \Closure) {
             $string .= "\n- Type: `closure`";
 
             $r = new \ReflectionFunction($callable);
             if (str_contains($r->name, '{closure}')) {
-                return $this->write($string."\n");
+                $this->write($string."\n");
+
+                return;
             }
             $string .= "\n".sprintf('- Name: `%s`', $r->name);
 
@@ -394,14 +400,18 @@ protected function describeCallable(mixed $callable, array $options = [])
                 }
             }
 
-            return $this->write($string."\n");
+            $this->write($string."\n");
+
+            return;
         }
 
         if (method_exists($callable, '__invoke')) {
             $string .= "\n- Type: `object`";
             $string .= "\n".sprintf('- Name: `%s`', $callable::class);
 
-            return $this->write($string."\n");
+            $this->write($string."\n");
+
+            return;
         }
 
         throw new \InvalidArgumentException('Callable is not describable.');