Update to Drupal 8.0.0-rc3. For more information, see https://www.drupal.org/node/2608078

core/lib/Drupal/Core/StreamWrapper/LocalStream.php

@@ -60,14 +60,14 @@ abstract class LocalStream implements StreamWrapperInterface {
   abstract function getDirectoryPath();
 
   /**
-   * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::setUri().
+   * {@inheritdoc}
    */
   function setUri($uri) {
     $this->uri = $uri;
   }
 
   /**
-   * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::getUri().
+   * {@inheritdoc}
    */
   function getUri() {
     return $this->uri;
@@ -101,7 +101,7 @@ abstract class LocalStream implements StreamWrapperInterface {
   }
 
   /**
-   * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::realpath().
+   * {@inheritdoc}
    */
   function realpath() {
     return $this->getLocalPath();

core/lib/Drupal/Core/StreamWrapper/ReadOnlyStream.php

@@ -42,14 +42,14 @@ abstract class ReadOnlyStream implements StreamWrapperInterface {
   protected $uri;
 
   /**
-   * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::setUri().
+   * {@inheritdoc}
    */
   function setUri($uri) {
     $this->uri = $uri;
   }
 
   /**
-   * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::getUri().
+   * {@inheritdoc}
    */
   function getUri() {
     return $this->uri;

core/lib/Drupal/Core/StreamWrapper/TemporaryStream.php

@@ -39,14 +39,14 @@ class TemporaryStream extends LocalStream {
   }
 
   /**
-   * Implements Drupal\Core\StreamWrapper\LocalStream::getDirectoryPath()
+   * {@inheritdoc}
    */
   public function getDirectoryPath() {
     return file_directory_temp();
   }
 
   /**
-   * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::getExternalUrl().
+   * {@inheritdoc}
    */
   public function getExternalUrl() {
     $path = str_replace('\\', '/', $this->getTarget());