docs: public static Map<String, Class<?>> loadClasses(ClassLoader classLoader, Set<String> classNames) {
          Map<String, Class<?>> classes = new HashMap<String, Class<?>>();
  
          for (String className : classNames) {
              Class<?> clazz = loadClass(classLoader, className);
              if (clazz != null) {
                  classes.put(className, clazz);
              }
          }
  
          return classes;
      }