docs: public static boolean isInstanceOf(Object o, Type t)
    {
      if(o == null) {
        return false;
      }
      if(t instanceof Class) {
        Class<?> clazz = (Class<?>)t;
        if(clazz.isPrimitive()) {
          return BOXING_MAP.get(clazz) == o.getClass();
        }
        return clazz.isInstance(o);
      }
      return false;
    }