public static Set<MetricName> brokerTopicStatsMetrics() {
        Set<MetricName> metrics = new HashSet<>();

        metrics.add(REMOTE_COPY_BYTES_PER_SEC_METRIC);
        metrics.add(REMOTE_FETCH_BYTES_PER_SEC_METRIC);
        metrics.add(REMOTE_FETCH_REQUESTS_PER_SEC_METRIC);
        metrics.add(REMOTE_COPY_REQUESTS_PER_SEC_METRIC);
        metrics.add(REMOTE_DELETE_REQUESTS_PER_SEC_METRIC);
        metrics.add(BUILD_REMOTE_LOG_AUX_STATE_REQUESTS_PER_SEC_METRIC);
        metrics.add(FAILED_REMOTE_FETCH_PER_SEC_METRIC);
        metrics.add(FAILED_REMOTE_COPY_PER_SEC_METRIC);
        metrics.add(REMOTE_LOG_METADATA_COUNT_METRIC);
        metrics.add(REMOTE_LOG_SIZE_COMPUTATION_TIME_METRIC);
        metrics.add(REMOTE_LOG_SIZE_BYTES_METRIC);
        metrics.add(FAILED_REMOTE_DELETE_PER_SEC_METRIC);
        metrics.add(FAILED_BUILD_REMOTE_LOG_AUX_STATE_PER_SEC_METRIC);
        metrics.add(REMOTE_COPY_LAG_BYTES_METRIC);
        metrics.add(REMOTE_COPY_LAG_SEGMENTS_METRIC);
        metrics.add(REMOTE_DELETE_LAG_BYTES_METRIC);
        metrics.add(REMOTE_DELETE_LAG_SEGMENTS_METRIC);

        return metrics;
    }
This class contains the metrics related to tiered storage feature, which is to have a centralized
place to store them, so that we can verify all of them easily.
storage/api/src/main/java/org/apache/kafka/server/log/remote/storage/RemoteStorageMetrics.java