public static JSONWriter ofJSONB(Feature... features) {
        return new JSONWriterJSONB(
                new JSONWriter.Context(defaultObjectWriterProvider, features),
                null
        );
    }
If ReferenceDetection has been set, returns the path of the current object, otherwise returns null
@since 2.0.51
@return the path of the current object
core/src/main/java/com/alibaba/fastjson2/JSONWriter.java