How to use the esp-js-ui.LoggingConfig function in esp-js-ui

*   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
// notice_end

const esp = require('../packages/esp-js/src/index');
// comment this out if you want more verbose logging, i.e. any esp logging (mostly for unhappy path test cases) spat out.
esp.logging.Logger.setSink(() => { /* noop */});

const espUi = require('esp-js-ui');
espUi.LoggingConfig.setLevel(espUi.Level.none);