lots of improvements

shared/lib/Mail/Entity/EntityBaseInterface.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace KTXF\Mail\Entity;
+
+use KTXF\Mail\Object\MessagePropertiesBaseInterface;
+use KTXF\Mail\Object\MessagePropertiesMutableInterface;
+use KTXF\Resource\Provider\Node\NodeBaseInterface;
+
+interface EntityBaseInterface extends NodeBaseInterface {
+
+    public const JSON_TYPE = 'mail.entity';
+
+    /**
+     * Gets the entity properties
+     * 
+     * @since 2025.05.01
+     */
+    public function getProperties(): MessagePropertiesBaseInterface|MessagePropertiesMutableInterface;
+
+}