public void setCompatibleWithFieldName(boolean stat) {
        if (stat) {
            userDefineMask |= NAME_COMPATIBLE_WITH_FILED;
        } else {
            userDefineMask &= ~NAME_COMPATIBLE_WITH_FILED;
        }
    }
@deprecated only use compatible with fastjson 1.x
core/src/main/java/com/alibaba/fastjson2/writer/ObjectWriterProvider.java