public void addAcknowledgeId()

in flink-connector-gcp-pubsub/src/main/java/org/apache/flink/streaming/connectors/gcp/pubsub/common/AcknowledgeOnCheckpoint.java [65:68]


    public void addAcknowledgeId(ACKID id) {
        acknowledgeIdsForPendingCheckpoint.add(id);
        outstandingAcknowledgements.incrementAndGet();
    }