private static Map<String, String> toMap(String className, String... additionalTags) {
        Map<String, String> tags = new HashMap<>();
        tags.put("class", className);
        for (int j = 0; j < additionalTags.length - 1; j++) {
            String tk = additionalTags[j];
            String tv = "" + additionalTags[j + 1];
            if (!tv.isEmpty()) {
                tags.put(tk, tv);
            }
            j++;
        }
        return tags;
    }
Records a value for an event as a distribution summary. Unlike a gauge, this is sampled
multiple times during a minute or everytime a new value is recorded.

@param className
@param name
@param additionalTags
core/src/main/java/com/netflix/conductor/metrics/Monitors.java