class SidekiqScheduler::SidekiqAdapter

def self.sidekiq_queues(sidekiq_config)
  if sidekiq_config.nil? || (sidekiq_config.respond_to?(:empty?) && sidekiq_config.empty?)
    Sidekiq.instance_variable_get(:@config).queues.map(&:to_s)
  else
    sidekiq_config.queues.map(&:to_s)
  end
end