def tasks
      @config.map do |task_name, options|
        task_params = options.symbolize_keys
        task_params[:queue_ahead] ||= @queue_ahead
        task_params[:name] = task_name
        task_params[:tz] ||= @time_zone
        Task.new(task_params)
      end
    end
def tasks
      @config.map do |task_name, options|
        task_params = options.symbolize_keys
        task_params[:queue_ahead] ||= @queue_ahead
        task_params[:name] = task_name
        task_params[:tz] ||= @time_zone
        Task.new(task_params)
      end
    end
The array of tasks loaded from the config YAML.
 @return [Array<SimpleScheduler::Task]