class Sidekiq::JobSet

def fetch(score, jid = nil)

optional second argument.
Fetch jobs that match a given time or Range. Job ID is an
# 
def fetch(score, jid = nil)
  begin_score, end_score =
    if score.is_a?(Range)
      [score.first, score.last]
    else
      [score, score]
    end
  elements = Sidekiq.redis { |conn|
    conn.zrangebyscore(name, begin_score, end_score, with_scores: true)
  }
  elements.each_with_object([]) do |element, result|
    data, job_score = element
    entry = SortedEntry.new(self, job_score, data)
    result << entry if jid.nil? || entry.jid == jid
  end
end