#[AsMessageHandler(fromTransport: self::QUEUE_NAME)]

public static function getHandledMessages(): iterable
{
    yield Foo::class => [
        'from_transport' => self::QUEUE_NAME,
    ];
}

<?php
// messsenger.php

namespace Symfony\Component\DependencyInjection\Loader\Configurator;

return static function (ContainerConfigurator $configurator) {
    $configurator->extension('framework', [ 'messenger' => [
        'serializer' => ['default_serializer' => 'messenger.transport.symfony_serializer'],
        'default_bus' => 'messenger.bus.default',
        'bus' => [
            'name' => 'messenger.bus.default'
        ],
        'transports' => [
            FooMessageHandler::QUEUE_NAME => [
                'dsn' => env('AMQP_TRANSPORT_DSN'),
                'options' => [
                    'confirm_timeout' => 0.5,
                    'exchange' => [
                        'name' => FooMessageHandler::QUEUE_NAME,
                        'type' => 'direct',
                    ],
                    'queues' => [
                        FooMessageHandler::QUEUE_NAME => [
                            'arguments' => [
                                'x-dead-letter-exchange' => 'X',
                            ],
                        ],
                    ],
                ],
            ],
            BarMessageHandler::QUEUE_NAME => [
                'dsn' => env('AMQP_TRANSPORT_DSN'),
                'options' => [
                    'exchange' => [
                        'name' => BarMessageHandler::QUEUE_NAME,
                        'type' => 'direct',
                    ],
                    'queues' => [
                        BarMessageHandler::QUEUE_NAME => [
                            'arguments' => [
                                'x-dead-letter-exchange' => 'Y',
                            ],
                        ],
                    ],
                ],
            ],
        ],
        'routing' => [
            IntegrationRequestMessage::class => [
                FooMessageHandler::QUEUE_NAME,
                BarMessageHandler::QUEUE_NAME,
            ],
        ],
    ]]);
};

#[AsMessageHandler(fromTransport: self::QUEUE_NAME)]
final class FooMessageHandler implements MessageHandlerInterface
{
    public const QUEUE_NAME = 'foo';

    public function __invoke(IntegrationRequestMessage $message): void
    {
        echo 'Foo';
    }
}

#[AsMessageHandler(fromTransport: self::QUEUE_NAME)]
final class BarMessageHandler implements MessageHandlerInterface
{
    public const QUEUE_NAME = 'bar';

    public function __invoke(IntegrationRequestMessage $message): void
    {
        echo 'Bar';
    }
}