function extractScrollbars(content) {
        var scrollbar = [];

        // Go through and extract out scrollbar customizations so that we can
        // enable/disable via settings.
        content = content
            .replace(scrollbarsRegex, function (match) {
                scrollbar.push(match);
                return "";
            });

        return {
            content: content,
            scrollbar: scrollbar
        };
    }
@private
Extracts the scrollbar text from the css/less content so that it can be treated
as a separate styling component that can be anabled/disabled independently from
the theme.

@param {string} content is the css/less input string to be processed
@return {{content: string, scrollbar: Array.<string>}} content is the new css/less content
  with the scrollbar rules extracted out and put in scrollbar