137     writer_ = RecordFileWriter::CreateInstance(output_file_);  in Run()
138     if (!writer_) {  in Run()
144     return writer_->Close();  in Run()
277   bool MergeAttrSection() { return writer_->WriteAttrSection(readers_[0]->AttrSection()); }  in MergeAttrSection()
296   bool ProcessRecord(Record* record) { return writer_->WriteRecord(*record); }  in ProcessRecord()
327     if (!writer_->BeginWriteFeatures(features.size())) {  in MergeFeatureSection()
336             !writer_->WriteFeature(feature, data.data(), data.size())) {  in MergeFeatureSection()
347     return writer_->EndWriteFeatures();  in MergeFeatureSection()
374     return writer_->WriteBuildIdFeature(records);  in WriteBuildIdFeature()
406       if (!writer_->WriteFileFeature(file_feature)) {  in WriteFileFeature()
416   std::unique_ptr<RecordFileWriter> writer_;  member in simpleperf::__anon017897fa0111::MergeCommand