API Add deprecation

src/Storage/DBFile.php

@@ -7,6 +7,7 @@
 use SilverStripe\Assets\Thumbnail;
 use SilverStripe\Control\Director;
 use SilverStripe\Core\Injector\Injector;
+use SilverStripe\Dev\Deprecation;
 use SilverStripe\ORM\FieldType\DBComposite;
 use SilverStripe\ORM\ValidationException;
 use SilverStripe\ORM\ValidationResult;
@@ -503,15 +504,28 @@ protected function assertFilenameValid($filename)
         }
     }
 
-
     /**
      * Hook to validate this record against a validation result
      *
      * @param ValidationResult $result
      * @param string $filename Optional filename to validate. If omitted, the current value is validated.
      * @return bool Valid flag
+     * @deprecated 2.4.0 Use validateFilename() instead
      */
     public function validate(ValidationResult $result, $filename = null)
+    {
+        Deprecation::withSuppressedNotice(function () {
+            Deprecation::notice('2.4.0', 'Use validateFilename() instead');
+        });
+        return $this->validateFilename($result, $filename);
+    }
+
+    /**
+     * Hook to validate this record against a validation result
+     *
+     * @param string $filename Optional filename to validate. If omitted, the current value is validated.
+     */
+    public function validateFilename(ValidationResult $result, $filename = null): bool
     {
         if (empty($filename)) {
             $filename = $this->getFilename();