in lib/active_job/queue_adapters/sqs_adapter/params.rb [69:75]
def deduplication_body
ex_dedup_keys = @job.excluded_deduplication_keys if @job.respond_to?(:excluded_deduplication_keys)
ex_dedup_keys ||= Aws::ActiveJob::SQS.config.excluded_deduplication_keys_for(@job.queue_name)
@body.except(*ex_dedup_keys)
end