@Override
        public String toString() {
            return "StartAndEndOffsetHolder{" +
                "startOffset=" + startOffset +
                ", endOffset=" + endOffset +
                '}';
        }
UserTopicIdPartition denotes the user topic-partitions for which this broker acts as a leader/follower of.

@param tpId               the unique topic partition identifier
@param metadataPartition  the remote log metadata partition mapped for this user-topic-partition.
storage/src/main/java/org/apache/kafka/server/log/remote/metadata/storage/ConsumerTask.java