153   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in GetRegs()  local
155   if (!IsValidUnwindSample(sample_name, &error_msg)) {  in GetRegs()
159   return samples_.at(sample_name).regs.get();  in GetRegs()
163   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in GetMaps()  local
165   if (!IsValidUnwindSample(sample_name, &error_msg)) {  in GetMaps()
169   return samples_.at(sample_name).maps.get();  in GetMaps()
174   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in GetProcessMemory()  local
176   if (!IsValidUnwindSample(sample_name, &error_msg)) {  in GetProcessMemory()
180   return samples_.at(sample_name).process_memory;  in GetProcessMemory()
184   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in GetJitDebug()  local
186   if (!IsValidUnwindSample(sample_name, &error_msg)) {  in GetJitDebug()
190   return samples_.at(sample_name).jit_debug.get();  in GetJitDebug()
195   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in GetOfflineFilesPath()  local
197   if (!IsValidUnwindSample(sample_name, &error_msg)) {  in GetOfflineFilesPath()
201   return &samples_.at(sample_name).offline_files_path;  in GetOfflineFilesPath()
206   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in GetFrameInfoFilepath()  local
208   if (!IsValidUnwindSample(sample_name, &error_msg)) {  in GetFrameInfoFilepath()
212   return &samples_.at(sample_name).frame_info_filepath;  in GetFrameInfoFilepath()
241     const std::string& sample_name = sample_info.offline_files_dir;  in Init()  local
242     samples_.emplace(sample_name, (UnwindSample){  in Init()
250     UnwindSample& sample = samples_.at(sample_name);  in Init()
253       if (!CreateMaps(error_msg, sample_name)) return false;  in Init()
255     if (!CreateRegs(sample_info.arch, error_msg, sample_name)) return false;  in Init()
259         if (!CreateProcessMemory(error_msg, sample_name)) return false;  in Init()
263         if (!CreateProcessMemory(error_msg, sample_name)) return false;  in Init()
272         err_stream << "Unknown memory type for sample '" << sample_name << "'.";  in Init()
297   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in ChangeToSampleDirectory()  local
298   if (!IsValidUnwindSample(sample_name, error_msg)) return false;  in ChangeToSampleDirectory()
300   std::filesystem::current_path(std::filesystem::path(samples_.at(sample_name).offline_files_path));  in ChangeToSampleDirectory()
312   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in GetExpectedNumFrames()  local
313   if (!IsValidUnwindSample(sample_name, error_msg)) return false;  in GetExpectedNumFrames()
315   const std::string& sample_frames_path = samples_.at(sample_name).frame_info_filepath;  in GetExpectedNumFrames()
333   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in CreateMaps()  local
334   if (!IsValidUnwindSample(sample_name, error_msg)) return false;  in CreateMaps()
335   UnwindSample& sample = samples_.at(sample_name);  in CreateMaps()
347   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in CreateProcessMemory()  local
348   if (!IsValidUnwindSample(sample_name, error_msg)) return false;  in CreateProcessMemory()
349   UnwindSample& sample = samples_.at(sample_name);  in CreateProcessMemory()
409   const std::string& sample_name = GetAdjustedSampleName(initial_sample_name);  in CreateRegs()  local
410   if (!IsValidUnwindSample(sample_name, error_msg)) return false;  in CreateRegs()
411   auto& regs = samples_.at(sample_name).regs;  in CreateRegs()
412   const auto& offline_files_path = samples_.at(sample_name).offline_files_path;  in CreateRegs()
464 bool OfflineUnwindUtils::IsValidUnwindSample(const std::string& sample_name,  in IsValidUnwindSample()  argument
466   if (samples_.find(sample_name) == samples_.end()) {  in IsValidUnwindSample()
468     err_stream << "Invalid sample name (offline file directory) '" << sample_name << "'.";  in IsValidUnwindSample()
469     if (sample_name == kSingleSample) {  in IsValidUnwindSample()