public static void formatClassName(@NotNull final PsiClass aClass, final StringBuilder buf) {
final String qName = aClass.getQualifiedName();
if (qName != null) {
buf.append(qName);
} else {
final PsiClass parentClass = getContainerClass(aClass);
if (parentClass != null) {
formatClassName(parentClass, buf);
buf.append("$");
buf.append(getNonQualifiedClassIdx(aClass));
final String name = aClass.getName();
if (name != null) {
buf.append(name);
}
}
}
}
