# File lib/asciidoctor/section.rb, line 171
  def to_s
    if @title != nil
      qualified_title = @numbered ? %(#{sectnum} #{@title}) : @title
      %(#<#{self.class}@#{object_id} {level: #{@level}, title: #{qualified_title.inspect}, blocks: #{@blocks.size}}>)
    else
      super
    end
  end