examples/rabbitmq/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Exception/AMQPBasicCancelException.php

+<?php
+
+namespace PhpAmqpLib\Exception;
+
+class AMQPBasicCancelException extends \Exception implements AMQPExceptionInterface
+{
+    /**
+     * @var string
+     * @internal Use getter getConsumerTag()
+     */
+    public $consumerTag;
+
+    /**
+     * @param string $consumerTag
+     */
+    public function __construct($consumerTag)
+    {
+        parent::__construct('Channel was canceled');
+        $this->consumerTag = $consumerTag;
+    }
+
+    /**
+     * @return string
+     */
+    public function getConsumerTag()
+    {
+        return $this->consumerTag;
+    }
+}

examples/rabbitmq/vendor/php-amqplib/php-amqplib/PhpAmqpLib/Exception/AMQPChannelClosedException.php

+<?php
+
+namespace PhpAmqpLib\Exception;
+
+class AMQPChannelClosedException extends AMQPRuntimeException
+{
+}