public ObjectWriterCreator getCreator() {
        ObjectWriterCreator contextCreator = JSONFactory.getContextWriterCreator();
        if (contextCreator != null) {
            return contextCreator;
        }
        return creator;
    }
@deprecated only use compatible with fastjson 1.x
core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterProvider.java