public void close()

in flink-connector-gcp-pubsub/src/main/java/org/apache/flink/streaming/connectors/gcp/pubsub/PubSubSink.java [139:145]


    public void close() throws Exception {
        super.close();
        shutdownPublisher();
        shutdownTransportChannel();
        shutdownManagedChannel();
        isRunning = false;
    }