--- /dev/null
+/** @deprecated do not use, this is no longer checked by RxJS internals */
+export const rxSubscriber = (() =>
+ typeof Symbol === 'function'
+ ? Symbol('rxSubscriber')
+ : '@@rxSubscriber_' + Math.random())();
+
+/**
+ * @deprecated use rxSubscriber instead
+ */
+export const $$rxSubscriber = rxSubscriber;