public static UnboundIntFlag defineIntFlag(String flagId, int defaultValue, List<String> owners,
                                               String createdAt, String expiresAt, String description,
                                               String modificationEffect, Dimension... dimensions) {
        return define(UnboundIntFlag::new, flagId, defaultValue, owners, createdAt, expiresAt, description, modificationEffect, dimensions);
    }
WARNING: public for testing: All flags should be defined in {@link Flags}.
flags/src/main/java/com/yahoo/vespa/flags/Flags.java