code: function (tplCtxt) {
              this.$assert(169, tplCtxt.$TemplateCtxt);
  
              var unload = tplCtxt.getCSSDependencies();
              var tplClasspath = tplCtxt.tplClasspath;
  
              this.unloadClassPathDependencies(tplClasspath, unload);
  
              this.$raiseEvent({
                  name : "dependenciesUnloaded",
                  templateClasspath : tplClasspath
              });
          }
docs: Unload all the CSS dependencies of a template. This function does not trigger a DOM update. CSS style
  elements are only removed if not needed during the next CSS insertion.
  @param {aria.templates.TemplateCtxt} tplCtxt template context