void (@NotNull StringBuilder buf, RefElement refElement) { final HTMLComposerExtension extension = getLanguageExtension(refElement); if (extension != null) { extension.appendShortName(refElement, buf); } else { refElement.accept(new RefVisitor() { @Override public void visitFile(@NotNull RefFile file) { final PsiFile psiFile = file.getPsiElement(); if (psiFile != null) { buf.append(B_OPENING); buf.append(psiFile.getName()); buf.append(B_CLOSING); } } }); } }