fix: remove explicit null return types

Author: tam5

src/Fixer/Naming/ClassNumberFixer.php

@@ -100,8 +100,10 @@ public function supports(SplFileInfo $file): bool
 
     /**
      * Get the token representing the name of the class.
+     *
+     * @return array|null
      */
-    protected function findClassNameToken(Tokens $tokens): array|null
+    protected function findClassNameToken(Tokens $tokens)
     {
         foreach ($tokens as $index => $token) {
             if ($token->isGivenKind(T_CLASS)) {

src/Fixer/Naming/ClassSuffixFixer.php

@@ -105,8 +105,10 @@ public function supports(SplFileInfo $file): bool
 
     /**
      * Get the token representing the name of the class.
+     *
+     * @return array|null
      */
-    protected function findClassNameToken(Tokens $tokens): array|null
+    protected function findClassNameToken(Tokens $tokens)
     {
         foreach ($tokens as $index => $token) {
             if ($token->isGivenKind(T_CLASS)) {

src/Util/LaravelIdentifier.php

@@ -49,8 +49,10 @@ public function __construct(\SplFileInfo $file)
 
     /**
      * Identify the Laravel component in the analyzed file.
+     *
+     * @return string|null
      */
-    public static function identify(\SplFileInfo $file): string|null
+    public static function identify(\SplFileInfo $file)
     {
         $instance = new static($file);