236 struct V8_EXPORT V8StackTraceId {  struct
241   V8StackTraceId();  argument
242   V8StackTraceId(const V8StackTraceId&) = default;
243   V8StackTraceId(uintptr_t id, const std::pair<int64_t, int64_t> debugger_id);
244   V8StackTraceId(uintptr_t id, const std::pair<int64_t, int64_t> debugger_id,
246   explicit V8StackTraceId(StringView);
247   V8StackTraceId& operator=(const V8StackTraceId&) = default;  argument
248   V8StackTraceId& operator=(V8StackTraceId&&) noexcept = default;  argument
249   ~V8StackTraceId() = default;
278   virtual V8StackTraceId storeCurrentStackTrace(StringView description) = 0;
279   virtual void externalAsyncTaskStarted(const V8StackTraceId& parent) = 0;
280   virtual void externalAsyncTaskFinished(const V8StackTraceId& parent) = 0;