API Deprecate renamed validators

src/Forms/FieldsValidator.php

@@ -2,11 +2,21 @@
 
 namespace SilverStripe\Forms;
 
+use SilverStripe\Dev\Deprecation;
+
 /**
  * Validates the internal state of all fields in the form.
+ *
+ * @deprecated 5.4.0 Will be removed without equivalent functionality to replace it
  */
 class FieldsValidator extends Validator
 {
+    public function __construct()
+    {
+        Deprecation::noticeWithNoReplacment('5.4.0', scope: Deprecation::SCOPE_CLASS);
+        parent::__construct();
+    }
+
     public function php($data): bool
     {
         $valid = true;

src/Forms/RequiredFields.php

@@ -3,6 +3,7 @@
 namespace SilverStripe\Forms;
 
 use SilverStripe\ORM\ArrayLib;
+use SilverStripe\Dev\Deprecation;
 
 /**
  * Required Fields allows you to set which fields need to be present before
@@ -11,6 +12,8 @@
  *
  * Validation is performed on a field by field basis through
  * {@link FormField::validate}.
+ *
+ * @deprecated 5.4.0 Will be renamed to SilverStripe\Forms\RequiredFieldsValidator
  */
 class RequiredFields extends Validator
 {
@@ -28,6 +31,7 @@ class RequiredFields extends Validator
      */
     public function __construct()
     {
+        Deprecation::noticeWithNoReplacment('5.4.0', 'Will be renamed to SilverStripe\\Forms\\RequiredFieldsValidator', Deprecation::SCOPE_CLASS);
         $required = func_get_args();
         if (isset($required[0]) && is_array($required[0])) {
             $required = $required[0];