String format() {
        StringBuilder builder = new StringBuilder();
        for (ReindexActions.Entry entry : actions.getEntries()) {
            builder.append(entry.name() + ": Consider re-indexing document type '" + entry.getDocumentType() +
                           "' in cluster '" + entry.getClusterName() + "' because:\n");
            int counter = 1;
            for (String message : entry.getMessages()) {
                builder.append("    " + (counter++) + ") " + message + "\n");
            }
        }
        return builder.toString();
    }
Class used to format re-index actions for human readability.

@author bjorncs
configserver/src/main/java/com/yahoo/vespa/config/server/configchange/ReindexActionsFormatter.java