8809b99736
They don't need to modify the captured objects. In fact, they must not do it in the first place, because the request can be called more than once and the buffers must not change between those invocations. For the memory_sink_buffers there must be const method to get the vector of temporary_buffers themselves. Signed-off-by: Pavel Emelyanov <xemul@scylladb.com> Closes scylladb/scylladb#19599