class ActiveJob::QueueAdapters::DelayedJobAdapter

def enqueue_at(job, timestamp) # :nodoc:
  delayed_job = Delayed::Job.enqueue(JobWrapper.new(job.serialize), queue: job.queue_name, priority: job.priority, run_at: Time.at(timestamp))
  job.provider_job_id = delayed_job.id
  delayed_job
end