docs: @Pure
  	public static URL getResource(Class<?> classname, String path) {
  		if (classname == null) {
  			return null;
  		}
  		URL u = getResource(classname.getClassLoader(), classname.getPackage(), path);
  		if (u == null) {
  			u = getResource(classname.getClassLoader(), path);
  		}
  		return u;
  	}