Upgrade framework

vendor/sebastian/diff/src/Diff.php

@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /*
  * This file is part of sebastian/diff.
  *
@@ -7,10 +7,9 @@
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
  */
-
 namespace SebastianBergmann\Diff;
 
-class Diff
+final class Diff
 {
     /**
      * @var string
@@ -28,29 +27,21 @@ class Diff
     private $chunks;
 
     /**
-     * @param string  $from
-     * @param string  $to
      * @param Chunk[] $chunks
      */
-    public function __construct($from, $to, array $chunks = array())
+    public function __construct(string $from, string $to, array $chunks = [])
     {
         $this->from   = $from;
         $this->to     = $to;
         $this->chunks = $chunks;
     }
 
-    /**
-     * @return string
-     */
-    public function getFrom()
+    public function getFrom(): string
     {
         return $this->from;
     }
 
-    /**
-     * @return string
-     */
-    public function getTo()
+    public function getTo(): string
     {
         return $this->to;
     }
@@ -58,7 +49,7 @@ class Diff
     /**
      * @return Chunk[]
      */
-    public function getChunks()
+    public function getChunks(): array
     {
         return $this->chunks;
     }
@@ -66,7 +57,7 @@ class Diff
     /**
      * @param Chunk[] $chunks
      */
-    public function setChunks(array $chunks)
+    public function setChunks(array $chunks): void
     {
         $this->chunks = $chunks;
     }