60          * is handed over to a new subscriber.

    60          * is handed over to a new subscriber.

    61          * Once {@code dropSubscription()} is called, the {@code TubeSubscriber}

    61          * Once {@code dropSubscription()} is called, the {@code TubeSubscriber}

    62          * should stop calling any method on its subscription.

    62          * should stop calling any method on its subscription.

    63          */

    63          */

    64         default void dropSubscription() { }

    64         default void dropSubscription() { }

    65 

    67 

    66     }

    68     }

    67 

    69 

    68     /**

    70     /**

    69      * A publisher for writing to the bidirectional flow.

    71      * A publisher for writing to the bidirectional flow.