public ConfigurationClient createSyncConfigurationClient() {
    String connectionString = getConnectionString();
    // BEGIN: com.azure.data.applicationconfig.configurationclient.instantiation
    ConfigurationClient configurationClient = new ConfigurationClientBuilder()
        .connectionString(connectionString)
        .buildClient();
    // END: com.azure.data.applicationconfig.configurationclient.instantiation
    return configurationClient;
}

public ConfigurationClient createSyncConfigurationClient() {
    String connectionString = getConnectionString();
    // BEGIN: com.azure.data.applicationconfig.configurationclient.instantiation
    ConfigurationClient configurationClient = new ConfigurationClientBuilder()
        .connectionString(connectionString)
        .buildClient();
    // END: com.azure.data.applicationconfig.configurationclient.instantiation
    return configurationClient;
}
