public static void addActiveRequestPrefixTags(Builder<Tag> tagListBuilder, RequestOnlyLog log) {
        requireNonNull(tagListBuilder, "tagListBuilder");
        requireNonNull(log, "log");
        addHostnamePattern(tagListBuilder, log);
        addMethodAndService(tagListBuilder, log);
    }
Adds the active request tags in lexicographical order for better sort performance.
This adds {@code hostname.pattern}, {@code method} and {@code service}, in order.
core/src/main/java/com/linecorp/armeria/internal/common/metric/DefaultMeterIdPrefixFunction.java