Add return type unions to private/internal/final/test methods

Author: nicolas-grekas

Extension/CodeExtension.php

@@ -169,12 +169,7 @@ public function formatFile(string $file, int $line, string $text = null): string
         return $text;
     }
 
-    /**
-     * Returns the link for a given file/line pair.
-     *
-     * @return string|false A link or false
-     */
-    public function getFileLink(string $file, int $line)
+    public function getFileLink(string $file, int $line): string|false
     {
         if ($fmt = $this->fileLinkFormat) {
             return \is_string($fmt) ? strtr($fmt, ['%f' => $file, '%l' => $line]) : $fmt->format($file, $line);

Extension/FormExtension.php

@@ -103,10 +103,7 @@ public function getFieldName(FormView $view): string
         return $view->vars['full_name'];
     }
 
-    /**
-     * @return string|array
-     */
-    public function getFieldValue(FormView $view)
+    public function getFieldValue(FormView $view): string|array
     {
         return $view->vars['value'];
     }