public void appendClassExtendsImplements(StringBuffer buf, RefClass refClass) {
   if (refClass.getBaseClasses().size() > 0) {
     HTMLComposerImpl.appendHeading(
         buf, InspectionsBundle.message("inspection.export.results.extends.implements"));
     myComposer.startList(buf);
     for (RefClass refBase : refClass.getBaseClasses()) {
       myComposer.appendListItem(buf, refBase);
     }
     myComposer.doneList(buf);
   }
 }