return Constants.TRUE.equalsIgnoreCase(value);
    }

    default void setSsoType(final String value) {
        setSystemProperty(Constants.SSO_TYPE_PROPERTY, value);
    }

    default String getSsoType() {
        return getSystemProperty(Constants.SSO_TYPE_PROPERTY, Constants.NONE);
    }

    //
    // fess_*.properties
    //

    String getAuthenticationAdminRoles();