Backport type fixes

Author: nicolas-grekas

Exception/FlattenException.php

@@ -63,7 +63,7 @@ class FlattenException
     /**
      * @return static
      */
-    public static function create(\Exception $exception, $statusCode = null, array $headers = []): self
+    public static function create(\Exception $exception, int $statusCode = null, array $headers = []): self
     {
         return static::createFromThrowable($exception, $statusCode, $headers);
     }
@@ -131,11 +131,9 @@ public function getStatusCode(): int
     }
 
     /**
-     * @param int $code
-     *
      * @return $this
      */
-    public function setStatusCode($code): self
+    public function setStatusCode(int $code): self
     {
         $this->statusCode = $code;
 
@@ -163,11 +161,9 @@ public function getClass(): string
     }
 
     /**
-     * @param string $class
-     *
      * @return $this
      */
-    public function setClass($class): self
+    public function setClass(string $class): self
     {
         $this->class = false !== strpos($class, "@anonymous\0") ? (get_parent_class($class) ?: key(class_implements($class)) ?: 'class').'@anonymous' : $class;
 
@@ -180,11 +176,9 @@ public function getFile(): string
     }
 
     /**
-     * @param string $file
-     *
      * @return $this
      */
-    public function setFile($file): self
+    public function setFile(string $file): self
     {
         $this->file = $file;
 
@@ -197,11 +191,9 @@ public function getLine(): int
     }
 
     /**
-     * @param int $line
-     *
      * @return $this
      */
-    public function setLine($line): self
+    public function setLine(int $line): self
     {
         $this->line = $line;
 
@@ -226,11 +218,9 @@ public function getMessage(): string
     }
 
     /**
-     * @param string $message
-     *
      * @return $this
      */
-    public function setMessage($message): self
+    public function setMessage(string $message): self
     {
         if (false !== strpos($message, "@anonymous\0")) {
             $message = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) {
@@ -308,13 +298,10 @@ public function setTraceFromThrowable(\Throwable $throwable): self
     }
 
     /**
-     * @param array       $trace
-     * @param string|null $file
-     * @param int|null    $line
      *
      * @return $this
      */
-    public function setTrace($trace, $file, $line): self
+    public function setTrace(array $trace, ?string $file, ?int $line): self
     {
         $this->trace = [];
         $this->trace[] = [