def export
      keys = {}
      lock do
        @blurbs.sort.each do |(blurb_key, value)|
          current = keys
          yaml_keys = blurb_key.split('.')

          0.upto(yaml_keys.size - 2) do |i|
            key = yaml_keys[i]

            # Overwrite en.key with en.sub.key
            unless current[key].class == Hash
              current[key] = {}
            end

            current = current[key]
          end

          current[yaml_keys.last] = value
        end
      end

      unless keys.size < 1
        keys.to_yaml
      end
    end
def export
      keys = {}
      lock do
        @blurbs.sort.each do |(blurb_key, value)|
          current = keys
          yaml_keys = blurb_key.split('.')

          0.upto(yaml_keys.size - 2) do |i|
            key = yaml_keys[i]

            # Overwrite en.key with en.sub.key
            unless current[key].class == Hash
              current[key] = {}
            end

            current = current[key]
          end

          current[yaml_keys.last] = value
        end
      end

      unless keys.size < 1
        keys.to_yaml
      end
    end
Yaml representation of all blurbs
 @return [String] yaml