AMQPHelpers.Adapter.enable_select_confirm
You're seeing just the callback
enable_select_confirm, go back to AMQPHelpers.Adapter module for more information.
Link to this callback
enable_select_confirm(channel)
Specs
enable_select_confirm(channel :: AMQP.Channel.t()) :: :ok | {:error, any()}
Activates publishing confirmations on the channel.