# File lib/puppet/indirector/catalog/puppetdb.rb, line 110
  def stringify_titles(hash)
    resources = hash['resources']
    profile("Stringify titles (resource count: #{resources.count})",
            [:puppetdb, :titles, :stringify]) do
      resources.each do |resource|
        resource['title'] = resource['title'].to_s
      end
    end

    hash
  end