Add empty line

src/query/v2/multiframe.hpp

@@ -204,6 +204,7 @@ class ValidFramesConsumer {
   ValidFramesConsumer(ValidFramesConsumer &&other) noexcept = delete;
   ValidFramesConsumer &operator=(const ValidFramesConsumer &other) = delete;
   ValidFramesConsumer &operator=(ValidFramesConsumer &&other) noexcept = delete;
+
   struct Iterator {
     using iterator_category = std::forward_iterator_tag;
     using difference_type = std::ptrdiff_t;