* comment: Whether to allow underscores in LDAP group names.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getLdapGroupNameWithUnderscores();

    /**
     * Is the property for the key 'ldap.group.name.with.underscores' true? <br>
     * The value is, e.g. false <br>
     * comment: Whether to allow underscores in LDAP group names.