How to use the apache-ignite-client.MapObjectType function in apache-ignite-client

*
 * 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.
 */

'use strict';

require('jasmine-expect');

const TestingHelper = require('../TestingHelper');
const IgniteClient = require('apache-ignite-client');
const ObjectType = IgniteClient.ObjectType;
const MapObjectType = IgniteClient.MapObjectType;
const CollectionObjectType = IgniteClient.CollectionObjectType;
const ObjectArrayType = IgniteClient.ObjectArrayType;
const ComplexObjectType = IgniteClient.ComplexObjectType;
const EnumItem = IgniteClient.EnumItem;
const Timestamp = IgniteClient.Timestamp;
const Decimal = IgniteClient.Decimal;
const BinaryObject = IgniteClient.BinaryObject;

const CACHE_NAME = '__test_cache';

describe('cache put get test suite >', () => {
    let igniteClient = null;

    beforeAll((done) => {
        Promise.resolve().
            then(async () => {

* 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.
 */

'use strict';

require('jasmine-expect');

const Util = require('util');
const TestingHelper = require('../TestingHelper');
const IgniteClient = require('apache-ignite-client');
const ObjectType = IgniteClient.ObjectType;
const MapObjectType = IgniteClient.MapObjectType;
const ComplexObjectType = IgniteClient.ComplexObjectType;
const BinaryObject = IgniteClient.BinaryObject;

const CACHE_NAME = '__test_cache';

describe('binary object test suite >', () => {
    let igniteClient = null;
    const typeName = 'TestClass1';
    const stringValue = 'abc';
    const doubleValue = 123.45;
    const boolValue = false;
    const intValue = 456;
    const dateValue = new Date();

    beforeAll((done) => {
        Promise.resolve().

* 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.
 */

'use strict';

require('jasmine-expect');

const Util = require('util');
const TestingHelper = require('../TestingHelper');
const IgniteClient = require('apache-ignite-client');
const ObjectType = IgniteClient.ObjectType;
const MapObjectType = IgniteClient.MapObjectType;
const ComplexObjectType = IgniteClient.ComplexObjectType;
const BinaryObject = IgniteClient.BinaryObject;

const CACHE_NAME = '__test_cache';
const ONE_BYTE_MAX_OFFSET = 0x100 - 1;
const TWO_BYTES_MAX_OFFSET = 0x10000 - 1;
const COMPLEX_OBJECT_HEADER_LENGTH = 24;

class Class1 {
    constructor() {
        this.field_1_1 = null;
        this.field_1_2 = new Class2();
        this.field_1_3 = null;
    }
}