docs: function (onlyCSSDep) {
              var classes = this._cssClasses;
              if (!classes) {
                  if (this._cfg.isRootTemplate) {
                      // PTR 05086835: load the global CSS here, and remember that it was loaded
                      var deps = ['aria.templates.GlobalStyle'];
                      if (aria.widgets && aria.widgets.AriaSkin) {
                          deps.push('aria.templates.LegacyGeneralStyle');
                      }
                      ariaTemplatesCSSMgr.loadWidgetDependencies('aria.templates.Template', deps);
                      this._globalCssDepsLoaded = true;
                  }
                  // Load the CSS dependencies, the style should be added before the html
                  classes = ariaTemplatesCSSMgr.loadDependencies(this);
                  this._cssClasses = classes; // save classes for later calls
              }
              if (onlyCSSDep) {
                  return classes.join(" ");
              }
              var classNames = ["xTplContent"];
              // Add also the classes used by the CSS manager to scope a dependency
              if (classes.length) {
                  classNames = classNames.concat(classes);
              }
              return ariaCoreTplClassLoader.addPrintOptions(classNames.join(" "), this._cfg.printOptions);
          }