Merge branch '4.2'

* 4.2:
  [TwigBridge] Deprecating legacy Twig paths in DebugCommand and simplifications
  [Cache] Fixed Memcached adapter doClear()to call flush()
  Fixes sprintf(): Too few arguments in Translator
  fix TransChoiceTokenParser deprecation message
  [DoctrineBridge] Conflict with Messenger <4.2
  [Contracts] extract LocaleAwareInterface out of TranslatorInterface

Author: nicolas-grekas

Tests/DependencyInjection/Compiler/DataCollectorTranslatorPassTest.php

@@ -111,16 +111,4 @@ class TranslatorWithTranslatorBag implements TranslatorInterface
     public function trans($id, array $parameters = array(), $domain = null, $locale = null)
     {
     }
-
-    public function transChoice($id, $number, array $parameters = array(), $domain = null, $locale = null)
-    {
-    }
-
-    public function setLocale($locale)
-    {
-    }
-
-    public function getLocale()
-    {
-    }
 }

Tests/Templating/Helper/Fixtures/StubTranslator.php

@@ -19,17 +19,4 @@ public function trans($id, array $parameters = array(), $domain = null, $locale
     {
         return '[trans]'.$id.'[/trans]';
     }
-
-    public function transChoice($id, $number, array $parameters = array(), $domain = null, $locale = null)
-    {
-        return '[trans]'.$id.'[/trans]';
-    }
-
-    public function setLocale($locale)
-    {
-    }
-
-    public function getLocale()
-    {
-    }
 }

composer.json

@@ -19,8 +19,9 @@
         "php": "^7.1.3",
         "ext-xml": "*",
         "symfony/cache": "~4.2",
-        "symfony/dependency-injection": "^4.2",
         "symfony/config": "~4.2",
+        "symfony/contracts": "^1.0.2",
+        "symfony/dependency-injection": "^4.2",
         "symfony/event-dispatcher": "^4.1",
         "symfony/http-foundation": "^4.1.2",
         "symfony/http-kernel": "^4.2",