195 class JSMutableHandle : public JSHandle<T> {
197     JSMutableHandle() = default;
198     ~JSMutableHandle() = default;
199     DEFAULT_NOEXCEPT_MOVE_SEMANTIC(JSMutableHandle);
200     DEFAULT_COPY_SEMANTIC(JSMutableHandle);
202     JSMutableHandle(const JSThread *thread, JSTaggedValue value) : JSHandle<T>(thread, value) {}  in JSMutableHandle()  function
203 …  JSMutableHandle(const JSThread *thread, const TaggedArray *value) : JSHandle<T>(thread, value) {}  in JSMutableHandle()  function
205     JSMutableHandle(const JSThread *thread, const JSHandle<S> &handle)  in JSMutableHandle()  function
209     inline explicit JSMutableHandle(uintptr_t slot) : JSHandle<T>(slot)  in JSMutableHandle()  function
214     inline static JSMutableHandle<T> Cast(const JSMutableHandle<S> &handle)  in Cast()
217         return JSMutableHandle<T>(handle.GetAddress());  in Cast()