code: @SuppressWarnings("unchecked")
  	public static <T> Iterable<String> getSubclassesNames(Class<T> superClass, ClassLoader classLoader) {
  		return readIndexFile(classLoader, SUBCLASS_INDEX_PREFIX + superClass.getCanonicalName());
  	}
docs: Retrieves names of subclasses of the given class.
  <p/>
  <p>
  The class must be annotated with {@link IndexSubclasses} for it's subclasses to be indexed
  at compile-time by {@link org.atteo.classindex.processor.ClassIndexProcessor}.
  </p>
  
  @param superClass class to find subclasses for
  @param classLoader classloader for loading index file
  @return names of subclasses