}

    //
    // fess_*.properties
    //

    String getAuthenticationAdminRoles();

    default String[] getAuthenticationAdminRolesAsArray() {
        String[] roles = (String[]) propMap.get(AUTHENTICATION_ADMIN_ROLES);
        if (roles == null) {
            roles = getAuthenticationAdminRoles().split(",");
            propMap.put(AUTHENTICATION_ADMIN_ROLES, roles);
        }

     * The value is, e.g. admin <br>
     * comment: Admin role names for authentication.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getAuthenticationAdminRoles();

    /**
     * Get the value for the key 'role.search.default.permissions'. <br>
     * The value is, e.g.  <br>
     * comment: Default permissions for search roles.