return cls.isAssignmentCompatibleWith(superCls);
return isSubtype(cls, superCls);
	public static boolean isSubtype(String clsName, String possibleSupertypeClassName) throws ClassNotFoundException {		ObjectType cls = new ObjectType(clsName);		ObjectType superCls = new ObjectType(possibleSupertypeClassName);		return cls.isAssignmentCompatibleWith(superCls);	}