remove Interface-Suffix

Behavioral/Command/Command.php

@@ -0,0 +1,13 @@
+<?php
+declare(strict_types=1);
+
+namespace DesignPatterns\Behavioral\Command;
+
+interface Command
+{
+    /**
+     * this is the most important method in the Command pattern,
+     * The Receiver goes in the constructor.
+     */
+    public function execute();
+}