Method isNull

core/src/surface/agenui_serializable_data_impl.cpp:177–179

// ---- Type check methods ----

bool SerializableData::isNull() const {
    return !_impl || !_impl->node || _impl->node->is_null();
}

bool SerializableData::isValid() const {
    return _impl && _impl->node && !_impl->node->is_null();