ConfigReaderPlugin.php

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<?php
namespace Magento\Framework\MessageQueue\Config\Publisher;

use Magento\Framework\MessageQueue\ConfigInterface;
use Magento\Framework\MessageQueue\Publisher\Config\CompositeReader as PublisherConfigCompositeReader;

class ConfigReaderPlugin
{
    private $config;

    public function __construct(ConfigInterface $config)
    {
        $this->config = $config;
    }

    public function afterRead(PublisherConfigCompositeReader $subject, $result, $scope = null)
    {
        return array_merge($this->getPublisherConfigDataFromQueueConfig(), $result);
    }

    private function getPublisherConfigDataFromQueueConfig()
    {
        $result = [];

        foreach ($this->config->getBinds() as $bindingConfig) {
            $topic = $bindingConfig['topic'];
            $result[$topic] = [
                'topic' => $topic,
                'connection' => [
                    'name' => $this->config->getConnectionByTopic($topic),
                    'exchange' => $bindingConfig['exchange'],
                    'disabled' => false
                ],
                'disabled' => false
            ];
        }

        return $result;
    }
}