for (unsigned i = 0; i < config.streams.size(); ++i) {
const StreamConfig &stream_config = config.streams[i];
if (deserialized_stream_ids.count(stream_config.stream_id) == 0) {
for (unsigned i = 0; i < config.streams.size(); ++i) {
const StreamConfig &stream_config = config.streams[i];
if (deserialized_stream_ids.count(stream_config.stream_id) == 0) {