Update to Drupal 8.2.6. For more information, see https://www.drupal.org/project/drupal/releases/8.2.6

vendor/symfony/http-foundation/Session/SessionInterface.php

@@ -23,7 +23,7 @@ interface SessionInterface
     /**
      * Starts the session storage.
      *
-     * @return bool True if session started.
+     * @return bool True if session started
      *
      * @throws \RuntimeException If session fails to start.
      */
@@ -32,7 +32,7 @@ interface SessionInterface
     /**
      * Returns the session ID.
      *
-     * @return string The session ID.
+     * @return string The session ID
      */
     public function getId();
 
@@ -46,7 +46,7 @@ interface SessionInterface
     /**
      * Returns the session name.
      *
-     * @return mixed The session name.
+     * @return mixed The session name
      */
     public function getName();
 
@@ -68,7 +68,7 @@ interface SessionInterface
      *                      to expire with browser session. Time is in seconds, and is
      *                      not a Unix timestamp.
      *
-     * @return bool True if session invalidated, false if error.
+     * @return bool True if session invalidated, false if error
      */
     public function invalidate($lifetime = null);
 
@@ -76,13 +76,13 @@ interface SessionInterface
      * Migrates the current session to a new session id while maintaining all
      * session attributes.
      *
-     * @param bool $destroy  Whether to delete the old session or leave it to garbage collection.
+     * @param bool $destroy  Whether to delete the old session or leave it to garbage collection
      * @param int  $lifetime Sets the cookie lifetime for the session cookie. A null value
      *                       will leave the system settings unchanged, 0 sets the cookie
      *                       to expire with browser session. Time is in seconds, and is
      *                       not a Unix timestamp.
      *
-     * @return bool True if session migrated, false if error.
+     * @return bool True if session migrated, false if error
      */
     public function migrate($destroy = false, $lifetime = null);
 
@@ -108,7 +108,7 @@ interface SessionInterface
      * Returns an attribute.
      *
      * @param string $name    The attribute name
-     * @param mixed  $default The default value if not found.
+     * @param mixed  $default The default value if not found
      *
      * @return mixed
      */