code: public void commit(String groupId, KafkaTopicPartitionOffset... tpoList) {
          KafkaMsgConsumer kafkaConsumer = cacheConsumers.get(groupId);
          if (kafkaConsumer != null) {
              kafkaConsumer.commit(tpoList);
          }
      }
docs: Commit the specified offsets for the specified list of topics and
  partitions.
  
  @param groupId
  @param tpoList
  @since 1.3.2