Add missing methods in LockInterface

Author: jderusse

src/Symfony/Component/Lock/Lock.php

@@ -133,17 +133,15 @@ public function release()
     }
 
     /**
-     * @return bool
+     * {@inheritdoc}
      */
     public function isExpired()
     {
         return $this->key->isExpired();
     }
 
     /**
-     * Returns the remaining lifetime.
-     *
-     * @return float|null Remaining lifetime in seconds. Null when the lock won't expire.
+     * {@inheritdoc}
      */
     public function getRemainingLifetime()
     {

src/Symfony/Component/Lock/LockInterface.php

@@ -56,4 +56,16 @@ public function isAcquired();
      * @throws LockReleasingException If the lock can not be released
      */
     public function release();
+
+    /**
+     * @return bool
+     */
+    public function isExpired();
+
+    /**
+     * Returns the remaining lifetime.
+     *
+     * @return float|null Remaining lifetime in seconds. Null when the lock won't expire.
+     */
+    public function getRemainingLifetime();
 }