Add missing return types and enforce return types on all methods

Author: wouterj

DataCollector/DoctrineDataCollector.php

@@ -113,11 +113,17 @@ public function reset()
         }
     }
 
+    /**
+     * @return array
+     */
     public function getManagers()
     {
         return $this->data['managers'];
     }
 
+    /**
+     * @return array
+     */
     public function getConnections()
     {
         return $this->data['connections'];
@@ -131,11 +137,17 @@ public function getQueryCount()
         return array_sum(array_map('count', $this->data['queries']));
     }
 
+    /**
+     * @return array
+     */
     public function getQueries()
     {
         return $this->data['queries'];
     }
 
+    /**
+     * @return int
+     */
     public function getTime()
     {
         $time = 0;

DependencyInjection/CompilerPass/RegisterEventListenersAndSubscribersPass.php

@@ -53,6 +53,9 @@ public function __construct(string $connectionsParameter, string $managerTemplat
         $this->tagPrefix = $tagPrefix;
     }
 
+    /**
+     * @return void
+     */
     public function process(ContainerBuilder $container)
     {
         if (!$container->hasParameter($this->connectionsParameter)) {

Form/DoctrineOrmTypeGuesser.php

@@ -12,6 +12,7 @@
 namespace Symfony\Bridge\Doctrine\Form;
 
 use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\Mapping\ClassMetadata;
 use Doctrine\ORM\Mapping\ClassMetadataInfo;
 use Doctrine\ORM\Mapping\MappingException as LegacyMappingException;
 use Doctrine\Persistence\ManagerRegistry;
@@ -151,6 +152,13 @@ public function guessPattern(string $class, string $property): ?ValueGuess
         return null;
     }
 
+    /**
+     * @template T of object
+     *
+     * @param class-string<T> $class
+     *
+     * @return array{0:ClassMetadata<T>, 1:string}|null
+     */
     protected function getMetadata(string $class)
     {
         // normalize class name