Upgrade framework

vendor/sebastian/diff/src/Line.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of sebastian/diff.
  *
@@ -7,14 +7,15 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
-
 namespace SebastianBergmann\Diff;
 
-class Line
+final class Line
 {
-    const ADDED     = 1;
-    const REMOVED   = 2;
-    const UNCHANGED = 3;
+    public const ADDED     = 1;
+
+    public const REMOVED   = 2;
+
+    public const UNCHANGED = 3;
 
     /**
      * @var int
@@ -26,28 +27,18 @@ class Line
      */
     private $content;
 
-    /**
-     * @param int    $type
-     * @param string $content
-     */
-    public function __construct($type = self::UNCHANGED, $content = '')
+    public function __construct(int $type = self::UNCHANGED, string $content = '')
     {
         $this->type    = $type;
         $this->content = $content;
     }
 
-    /**
-     * @return string
-     */
-    public function getContent()
+    public function getContent(): string
     {
         return $this->content;
     }
 
-    /**
-     * @return int
-     */
-    public function getType()
+    public function getType(): int
     {
         return $this->type;
     }