return getSystemPropertyAsInt(Constants.PURGE_SUGGEST_SEARCH_LOG_DAY_PROPERTY,
                DfTypeUtil.toInteger(Constants.DEFAULT_SUGGEST_PURGE_DAY));
    }

    default void setLdapInitialContextFactory(final String value) {
        setSystemProperty(Constants.LDAP_INITIAL_CONTEXT_FACTORY, value);
    }

    default String getLdapInitialContextFactory() {