code: public SortedSet<String> findClassNames(String search, Integer limit) {
          Map<Package, ClassLoader[]> packageMap = Packages.getPackageMap(getClassLoaders(), ignorePackages);
          return findClassNamesInPackages(search, limit, packageMap);
      }
docs: Searches for the available class names given the text search
  
  @return all the class names found on the current classpath using the given text search filter