Actualización

vendor/egulias/email-validator/src/Warning/Warning.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Egulias\EmailValidator\Warning;
+
+abstract class Warning
+{
+    public const CODE = 0;
+
+    /**
+     * @var string
+     */
+    protected $message = '';
+
+    /**
+     * @var int
+     */
+    protected $rfcNumber = 0;
+
+    /**
+     * @return string
+     */
+    public function message()
+    {
+        return $this->message;
+    }
+
+    /**
+     * @return int
+     */
+    public function code()
+    {
+        return self::CODE;
+    }
+
+    /**
+     * @return int
+     */
+    public function RFCNumber()
+    {
+        return $this->rfcNumber;
+    }
+
+    public function __toString()
+    {
+        return $this->message() . " rfc: " .  $this->rfcNumber . "internal code: " . static::CODE;
+    }
+}