[Translation] marked getFallbackLocales() as internal

Author: boscho87

UPGRADE-4.2.md

@@ -209,6 +209,7 @@ Translation
 
  * The `TranslatorInterface` has been deprecated in favor of `Symfony\Contracts\Translation\TranslatorInterface`
  * The `MessageSelector`, `Interval` and `PluralizationRules` classes have been deprecated, use `IdentityTranslator` instead
+ * The `Translator::getFallbackLocales()` and `TranslationDataCollector::getFallbackLocales()` method have been marked as internal
 
 Validator
 ---------

UPGRADE-5.0.md

@@ -184,6 +184,7 @@ Translation
  * The `TranslationWriter::disableBackup()` method has been removed.
  * The `TranslatorInterface` has been removed in favor of `Symfony\Contracts\Translation\TranslatorInterface`
  * The `MessageSelector`, `Interval` and `PluralizationRules` classes have been removed, use `IdentityTranslator` instead
+ * The `Translator::getFallbackLocales()` and `TranslationDataCollector::getFallbackLocales()` method are now internal
 
 TwigBundle
 ----------

src/Symfony/Component/Translation/CHANGELOG.md

@@ -9,6 +9,7 @@ CHANGELOG
  * deprecated `MessageSelector`, `Interval` and `PluralizationRules`; use `IdentityTranslator` instead
  * Added `IntlMessageFormatter` and `FallbackMessageFormatter`
  * added support for multiple files and directories in `XliffLintCommand`
+ * Marked `Translator::getFallbackLocales()` and `TranslationDataCollector::getFallbackLocales()` as internal
 
 4.1.0
 -----

src/Symfony/Component/Translation/DataCollector/TranslationDataCollector.php

@@ -97,6 +97,9 @@ public function getLocale()
         return !empty($this->data['locale']) ? $this->data['locale'] : null;
     }
 
+    /**
+     * @internal since Symfony 4.2
+     */
     public function getFallbackLocales()
     {
         return (isset($this->data['fallback_locales']) && \count($this->data['fallback_locales']) > 0) ? $this->data['fallback_locales'] : array();

src/Symfony/Component/Translation/Translator.php

@@ -176,6 +176,8 @@ public function setFallbackLocales(array $locales)
     /**
      * Gets the fallback locales.
      *
+     * @internal since Symfony 4.2
+     *
      * @return array $locales The fallback locales
      */
     public function getFallbackLocales()