AMQPHelpers.HighThroughput.publish

You're seeing just the function publish, go back to AMQPHelpers.HighThroughput module for more information.
Link to this function

publish(adapter \\ Adapter, channel, exchange, routing_key, payload, options \\ [])

Specs

Publishes a message to an Exchange.

Like AMQP.Basic.publish/5 but enforces options which play nicely with a high throughput scenario.