updated packages

vendor/symfony/contracts/Service/ServiceLocatorTrait.php

@@ -15,7 +15,7 @@ use Psr\Container\ContainerExceptionInterface;
 use Psr\Container\NotFoundExceptionInterface;
 
 /**
- * A trait to help implement PSR-11 service locators.
+ * A trait to help implement ServiceProviderInterface.
  *
  * @author Robin Chalas <robin.chalas@gmail.com>
  * @author Nicolas Grekas <p@tchwork.com>
@@ -23,7 +23,8 @@ use Psr\Container\NotFoundExceptionInterface;
 trait ServiceLocatorTrait
 {
     private $factories;
-    private $loading = array();
+    private $loading = [];
+    private $providedTypes;
 
     /**
      * @param callable[] $factories
@@ -66,6 +67,28 @@ trait ServiceLocatorTrait
         }
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function getProvidedServices(): array
+    {
+        if (null === $this->providedTypes) {
+            $this->providedTypes = [];
+
+            foreach ($this->factories as $name => $factory) {
+                if (!\is_callable($factory)) {
+                    $this->providedTypes[$name] = '?';
+                } else {
+                    $type = (new \ReflectionFunction($factory))->getReturnType();
+
+                    $this->providedTypes[$name] = $type ? ($type->allowsNull() ? '?' : '').$type->getName() : '?';
+                }
+            }
+        }
+
+        return $this->providedTypes;
+    }
+
     private function createNotFoundException(string $id): NotFoundExceptionInterface
     {
         if (!$alternatives = array_keys($this->factories)) {

vendor/symfony/contracts/Service/ServiceProviderInterface.php

@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Contracts\Service;
+
+use Psr\Container\ContainerInterface;
+
+/**
+ * A ServiceProviderInterface exposes the identifiers and the types of services provided by a container.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ * @author Mateusz Sip <mateusz.sip@gmail.com>
+ */
+interface ServiceProviderInterface extends ContainerInterface
+{
+    /**
+     * Returns an associative array of service types keyed by the identifiers provided by the current container.
+     *
+     * Examples:
+     *
+     *  * ['logger' => 'Psr\Log\LoggerInterface'] means the object provides a service named "logger" that implements Psr\Log\LoggerInterface
+     *  * ['foo' => '?'] means the container provides service name "foo" of unspecified type
+     *  * ['bar' => '?Bar\Baz'] means the container provides a service "bar" of type Bar\Baz|null
+     *
+     * @return string[] The provided service types, keyed by service names
+     */
+    public function getProvidedServices(): array;
+}

vendor/symfony/contracts/Service/ServiceSubscriberInterface.php

@@ -33,19 +33,19 @@ interface ServiceSubscriberInterface
      *
      * For mandatory dependencies:
      *
-     *  * array('logger' => 'Psr\Log\LoggerInterface') means the objects use the "logger" name
+     *  * ['logger' => 'Psr\Log\LoggerInterface'] means the objects use the "logger" name
      *    internally to fetch a service which must implement Psr\Log\LoggerInterface.
-     *  * array('loggers' => 'Psr\Log\LoggerInterface[]') means the objects use the "loggers" name
+     *  * ['loggers' => 'Psr\Log\LoggerInterface[]'] means the objects use the "loggers" name
      *    internally to fetch an iterable of Psr\Log\LoggerInterface instances.
-     *  * array('Psr\Log\LoggerInterface') is a shortcut for
-     *  * array('Psr\Log\LoggerInterface' => 'Psr\Log\LoggerInterface')
+     *  * ['Psr\Log\LoggerInterface'] is a shortcut for
+     *  * ['Psr\Log\LoggerInterface' => 'Psr\Log\LoggerInterface']
      *
      * otherwise:
      *
-     *  * array('logger' => '?Psr\Log\LoggerInterface') denotes an optional dependency
-     *  * array('loggers' => '?Psr\Log\LoggerInterface[]') denotes an optional iterable dependency
-     *  * array('?Psr\Log\LoggerInterface') is a shortcut for
-     *  * array('Psr\Log\LoggerInterface' => '?Psr\Log\LoggerInterface')
+     *  * ['logger' => '?Psr\Log\LoggerInterface'] denotes an optional dependency
+     *  * ['loggers' => '?Psr\Log\LoggerInterface[]'] denotes an optional iterable dependency
+     *  * ['?Psr\Log\LoggerInterface'] is a shortcut for
+     *  * ['Psr\Log\LoggerInterface' => '?Psr\Log\LoggerInterface']
      *
      * @return array The required service types, optionally keyed by service names
      */

vendor/symfony/contracts/Service/ServiceSubscriberTrait.php

@@ -32,7 +32,7 @@ trait ServiceSubscriberTrait
             return $services;
         }
 
-        $services = \is_callable(array('parent', __FUNCTION__)) ? parent::getSubscribedServices() : array();
+        $services = \is_callable(['parent', __FUNCTION__]) ? parent::getSubscribedServices() : [];
 
         foreach ((new \ReflectionClass(self::class))->getMethods() as $method) {
             if ($method->isStatic() || $method->isAbstract() || $method->isGenerator() || $method->isInternal() || $method->getNumberOfRequiredParameters()) {
@@ -54,7 +54,7 @@ trait ServiceSubscriberTrait
     {
         $this->container = $container;
 
-        if (\is_callable(array('parent', __FUNCTION__))) {
+        if (\is_callable(['parent', __FUNCTION__])) {
             return parent::setContainer($container);
         }
     }