enum class State : uint8_t {

Pending,

Active,

Dispatched,

Canceled,

};

static Ref<AsyncStackTrace> create(Ref<ScriptCallStack>&&, bool singleShot, RefPtr<AsyncStackTrace> parent);

bool NODELETE isPending() const;

bool NODELETE isLocked() const;

JS_EXPORT_PRIVATE const ScriptCallFrame& at(size_t) const;

JS_EXPORT_PRIVATE size_t size() const;

JS_EXPORT_PRIVATE bool topCallFrameIsBoundary() const;

bool truncated() const { return m_truncated; }

const RefPtr<AsyncStackTrace>& parentStackTrace() const { return m_parent; }

void willDispatchAsyncCall(size_t maxDepth);

void didDispatchAsyncCall();

void didCancelAsyncCall();

// May be nullptr if the async stack trace doesn't contain any actionable information.

// For example, if each parentStackTrace is just the boundary frame with nothing else in it.

RefPtr<Protocol::Console::StackTrace> buildInspectorObject() const;

JS_EXPORT_PRIVATE ~AsyncStackTrace();

AsyncStackTrace(Ref<ScriptCallStack>&&, bool, RefPtr<AsyncStackTrace>);

void truncate(size_t maxDepth);

void remove();

const Ref<ScriptCallStack> m_callStack;

RefPtr<AsyncStackTrace> m_parent;

unsigned m_childCount { 0 };

State m_state { State::Pending };

bool m_truncated { false };

bool m_singleShot { true };