--- /dev/null
+<?php
+
+namespace Drupal\file\Plugin\Validation\Constraint;
+
+use Symfony\Component\Validator\Constraint;
+
+/**
+ * Validation File constraint.
+ *
+ * @Constraint(
+ * id = "FileValidation",
+ * label = @Translation("File Validation", context = "Validation")
+ * )
+ */
+class FileValidationConstraint extends Constraint {
+
+}