public void setBulkFlushInterval()

in flink-connector-opensearch/src/main/java/org/apache/flink/streaming/connectors/opensearch/OpensearchSink.java [692:699]


        public void setBulkFlushInterval(long intervalMillis) {
            Preconditions.checkArgument(
                    intervalMillis == -1 || intervalMillis >= 0,
                    "Interval (in milliseconds) between each flush must be larger than or equal to 0.");

            this.bulkRequestsConfig.put(
                    CONFIG_KEY_BULK_FLUSH_INTERVAL_MS, String.valueOf(intervalMillis));
        }