public static boolean isVisible(Class<?> clazz, ClassLoader classLoader) {
		if (classLoader == null) {
			return true;
		}
		try {
			Class<?> actualClass = classLoader.loadClass(clazz.getName());
			return (clazz == actualClass);
			// Else: different interface class found...
		}
		catch (ClassNotFoundException ex) {
			// No interface class found...
			return false;
		}
	}