code: boolean isProtoBufMessageObject(Object object) {
          if (object == null) {
              return false;
          }
          if (MULTIPLE_CLASSLOADER) {
              return object instanceof MessageLite || isProtoBufMessageClass(object.getClass());
          } else {
              return object instanceof MessageLite;
          }
      }
docs: Is this object instanceof MessageLite
  
  @param object unknown object
  @return instanceof MessageLite