    # File lib/chef/formatters/doc.rb, line 188
          def resource_update_applied(resource, action, update)
            prefix = Chef::Config[:why_run] ? "Would " : ""
            Array(update).each do |line|
              next if line.nil?
              output_record line
              if line.kind_of? String
                @output.color "\n    - #{prefix}#{line}", :green
              elsif line.kind_of? Array
                # Expanded output - delta
                # @todo should we have a resource_update_delta callback?
                line.each do |detail|
                  @output.color "\n        #{detail}", :white
                end
              end
            end
          end