code: private Map<String, String> buildShortNameToFullNameMap(Set<String> classSet) {
          Map<String, String> result = new HashMap<>();
          for (String className : classSet) {
              String shortClassName = getShortClassName(className);
              result.put(shortClassName, className);
          }
          return result;
      }
docs: Build a map of short class names (without package) to full class names.
  
  @param classSet
  set of fully-qualified class names
  @return map of short class names to fully-qualified class names