RabbitMQ is a general purpose messaging solution, often used to allow web servers to respond to requests quickly instead of being forced to perform resource-heavy procedures while the user waits for the result.
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They provide a Java Client API Guide [2] which can be used to develop a DataMiner driver. There is also AMQP (their proprietary binary messaging protocol for microservices and enterprise messaging) documentation available for download on their official website [4].