private Entry addEntry(String name, String documentType, ServiceInfo service) {
        String clusterName = service.getProperty("clustername").orElse("");
        String entryId = name + "." + "." + clusterName + "." + documentType;
        Entry entry = actions.get(entryId);
        if (entry == null) {
            entry = new Entry(name, documentType, clusterName);
            actions.put(entryId, entry);
        }
        return entry;
    }
Represents all actions to re-feed document types in order to handle config changes.

@author geirst
configserver/src/main/java/com/yahoo/vespa/config/server/configchange/RefeedActions.java