# File lib/chef/knife/core/generic_presenter.rb, line 166
        def format_cookbook_list_for_display(item)
          if config[:with_uri]
            item
          else
            versions_by_cookbook = item.inject({}) do |collected, ( cookbook, versions )|
              collected[cookbook] = versions["versions"].map {|v| v['version']}
              collected
            end
            key_length = versions_by_cookbook.empty? ? 0 : versions_by_cookbook.keys.map {|name| name.size }.max + 2
            versions_by_cookbook.sort.map do |cookbook, versions|
              "#{cookbook.ljust(key_length)} #{versions.join('  ')}"
            end
          end
        end