diff --git a/src/Symfony/Component/Console/Input/InputArgument.php b/src/Symfony/Component/Console/Input/InputArgument.php
index d4c5e35627..2330cdc2ea 100644
--- a/src/Symfony/Component/Console/Input/InputArgument.php
+++ b/src/Symfony/Component/Console/Input/InputArgument.php
@@ -86,7 +86,7 @@ class InputArgument
     /**
      * Sets the default value.
      *
-     * @param mixed $default The default value
+     * @param string|string[] $default The default value
      *
      * @throws LogicException When incorrect default value is given
      */
@@ -110,7 +110,7 @@ class InputArgument
     /**
      * Returns the default value.
      *
-     * @return mixed The default value
+     * @return string|string[] The default value
      */
     public function getDefault()
     {
diff --git a/src/Symfony/Component/Console/Input/InputInterface.php b/src/Symfony/Component/Console/Input/InputInterface.php
index 642bf10460..bc30c205b5 100644
--- a/src/Symfony/Component/Console/Input/InputInterface.php
+++ b/src/Symfony/Component/Console/Input/InputInterface.php
@@ -85,7 +85,7 @@ interface InputInterface
      *
      * @param string $name The argument name
      *
-     * @return mixed The argument value
+     * @return string|string[] The argument value
      *
      * @throws InvalidArgumentException When argument given doesn't exist
      */
@@ -122,7 +122,7 @@ interface InputInterface
      *
      * @param string $name The option name
      *
-     * @return mixed The option value
+     * @return string|string[]|bool The option value
      *
      * @throws InvalidArgumentException When option given doesn't exist
      */
diff --git a/src/Symfony/Component/Console/Input/InputOption.php b/src/Symfony/Component/Console/Input/InputOption.php
index 9567876c8a..429c9f037d 100644
--- a/src/Symfony/Component/Console/Input/InputOption.php
+++ b/src/Symfony/Component/Console/Input/InputOption.php
@@ -149,7 +149,7 @@ class InputOption
     /**
      * Sets the default value.
      *
-     * @param mixed $default The default value
+     * @param string|string[]|bool $default The default value
      *
      * @throws LogicException When incorrect default value is given
      */
@@ -173,7 +173,7 @@ class InputOption
     /**
      * Returns the default value.
      *
-     * @return mixed The default value
+     * @return string|string[]|bool The default value
      */
     public function getDefault()
     {
diff --git a/src/Symfony/Component/Validator/Resources/translations/validators.ja.xlf b/src/Symfony/Component/Validator/Resources/translations/validators.ja.xlf
index a9d6b0812b..0c61d15715 100644
--- a/src/Symfony/Component/Validator/Resources/translations/validators.ja.xlf
+++ b/src/Symfony/Component/Validator/Resources/translations/validators.ja.xlf
@@ -318,6 +318,14 @@
                 <source>Error</source>
                 <target>エラー</target>
             </trans-unit>
+            <trans-unit id="83">
+                <source>This is not a valid UUID.</source>
+                <target>有効なUUIDではありません。</target>
+            </trans-unit>
+            <trans-unit id="84">
+                <source>This value should be a multiple of {{ compared_value }}.</source>
+                <target>{{ compared_value }}の倍数でなければなりません。</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>