public void compose(
     final StringBuffer buf, final RefEntity refEntity, final HTMLComposer composer) {
   if (refEntity instanceof RefMethod) {
     final RefMethod refMethod = (RefMethod) refEntity;
     final HTMLJavaHTMLComposer javaComposer =
         composer.getExtension(HTMLJavaHTMLComposer.COMPOSER);
     javaComposer.appendDerivedMethods(buf, refMethod);
     javaComposer.appendSuperMethods(buf, refMethod);
   }
 }