diff --git a/src/Symfony/Component/Messenger/AbstractMessageBusDecorator.php b/src/Symfony/Component/Messenger/AbstractMessageBusDecorator.php
new file mode 100644
index 0000000000000..30149cb0ad787
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+++ b/src/Symfony/Component/Messenger/AbstractMessageBusDecorator.php
@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Messenger;
+
+/**
+ * A decorated message bus.
+ *
+ * Use this abstract class to create your message bus decorator to specialise your
+ * bus instances and type-hint against them.
+ *
+ * @author Samuel Roze <samuel.roze@gmail.com>
+ */
+abstract class AbstractMessageBusDecorator implements MessageBusInterface
+{
+    private $decoratedBus;
+
+    public function __construct(MessageBusInterface $decoratedBus)
+    {
+        $this->decoratedBus = $decoratedBus;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function dispatch($message)
+    {
+        return $this->decoratedBus->dispatch($message);
+    }
+}
diff --git a/src/Symfony/Component/Messenger/Tests/AbstractMessageBusDecoratorTest.php b/src/Symfony/Component/Messenger/Tests/AbstractMessageBusDecoratorTest.php
new file mode 100644
index 0000000000000..17711366d6429
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+++ b/src/Symfony/Component/Messenger/Tests/AbstractMessageBusDecoratorTest.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Messenger\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Messenger\AbstractMessageBusDecorator;
+use Symfony\Component\Messenger\MessageBusInterface;
+use Symfony\Component\Messenger\Tests\Fixtures\DummyMessage;
+
+class AbstractMessageBusDecoratorTest extends TestCase
+{
+    public function testItCanBeExtendedAndProxiesTheMessagesToTheBus()
+    {
+        $message = new DummyMessage('Foo');
+
+        $bus = $this->getMockBuilder(MessageBusInterface::class)->getMock();
+        $bus->expects($this->once())->method('dispatch')->with($message)->willReturn('bar');
+
+        $this->assertSame('bar', (new CommandBus($bus))->dispatch($message));
+    }
+}
+
+class CommandBus extends AbstractMessageBusDecorator
+{
+}