class CustomElementMicrotaskQueueBase : public RefCountedWillBeGarbageCollectedFinalized<CustomElementMicrotaskQueueBase> {
WTF_MAKE_NONCOPYABLE(CustomElementMicrotaskQueueBase);
class CustomElementMicrotaskQueueBase : public RefCountedWillBeGarbageCollectedFinalized<CustomElementMicrotaskQueueBase> {
WTF_MAKE_NONCOPYABLE(CustomElementMicrotaskQueueBase);