Fix: Changed the Exception return type to static.

Author: kai890707

phpstan-baseline.php

@@ -946,6 +946,11 @@
 	'count' => 1,
 	'path' => __DIR__ . '/system/Exceptions/TestException.php',
 ];
+$ignoreErrors[] = [
+	'message' => '#^Property CodeIgniter\\\\Files\\\\File\\:\\:\\$size \\(int\\) on left side of \\?\\? is not nullable\\.$#',
+	'count' => 1,
+	'path' => __DIR__ . '/system/Files/File.php',
+];
 $ignoreErrors[] = [
 	'message' => '#^Expression on left side of \\?\\? is not nullable\\.$#',
 	'count' => 1,

system/Files/Exceptions/FileException.php

@@ -20,7 +20,7 @@ class FileException extends RuntimeException implements ExceptionInterface
     use DebugTraceableTrait;
 
     /**
-     * @return FileException
+     * @return static
      */
     public static function forUnableToMove(?string $from = null, ?string $to = null, ?string $error = null)
     {
@@ -32,7 +32,7 @@ public static function forUnableToMove(?string $from = null, ?string $to = null,
      *
      * @param string $caller The method causing the exception
      *
-     * @return FileException
+     * @return static
      */
     public static function forExpectedDirectory(string $caller)
     {
@@ -44,7 +44,7 @@ public static function forExpectedDirectory(string $caller)
      *
      * @param string $caller The method causing the exception
      *
-     * @return FileException
+     * @return static
      */
     public static function forExpectedFile(string $caller)
     {

system/Files/Exceptions/FileNotFoundException.php

@@ -20,7 +20,7 @@ class FileNotFoundException extends RuntimeException implements ExceptionInterfa
     use DebugTraceableTrait;
 
     /**
-     * @return FileNotFoundException
+     * @return static
      */
     public static function forFileNotFound(string $path)
     {

system/Files/File.php

@@ -25,8 +25,10 @@ class File extends SplFileInfo
 {
     /**
      * The files size in bytes
+     *
+     * @var int
      */
-    protected int $size;
+    protected $size;
 
     /**
      * @var string|null