public KuduOutputFormatBuilder setWorkerCount(Integer workerCount) {
            kuduOutputFormat.workerCount = workerCount;
            return this;
        }
Deal response when operation apply.
At MANUAL_FLUSH mode, response returns after {@link KuduSession#flush()}.
But at AUTO_FLUSH_SYNC mode, response returns after {@link KuduSession#apply(Operation)}

@param response {@link OperationResponse} response after operation done.
kudu/kudu-sink/src/main/java/com/dtstack/flink/sql/sink/kudu/KuduOutputFormat.java