default List<? extends BaseClient> configure(final BaseClient client,
                                                 final Pac4jBaseClientProperties clientProperties,
                                                 final CasConfigurationProperties properties) throws Exception {
        return List.of(client);
    }
Configure base client.

@param client           the prepared client
@param clientProperties the client properties
@param properties       the properties
@return the base client
@throws Exception the exception
support/cas-server-support-pac4j-core-clients/src/main/java/org/apereo/cas/support/pac4j/authentication/clients/ConfigurableDelegatedClientBuilder.java