class Google::Cloud::Env::LazyValue

def handle_success value
  expires_at = nil
  if value.is_a? ExpiringValue
    expires_at = determine_expiry value.lifetime
    value = value.value
  end
  if Thread.current.equal? @computing_thread
    @retries.finish!
    @error = nil
    @value = value
    @expires_at = expires_at
    enter_backfill
    leave_compute
  end
  value
end