RabbitMQ-specific options (internal use).
optional
url: string
RabbitMQ connection URL.
optional
client: IAmqpConnection
Injected AMQP connection.
optional
exchangeName: string
Exchange name (default: 'messaging').
optional
defaultQueue: string
Default consumer group/queue name.
optional
logger: { error: (msg: string) => void; }
Optional logger for error reporting.