How to use the @accordproject/ergo-compiler.Util.momentToJson function in @accordproject/ergo-compiler

* 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';

const Logger = require('@accordproject/concerto-core').Logger;
const ParseException = require('@accordproject/concerto-core').ParseException;
const crypto = require('crypto');
const ErrorUtil = require('./errorutil');
const Util = require('@accordproject/ergo-compiler').Util;
const moment = require('moment-mini');
// Make sure Moment serialization preserves utcOffset. See https://momentjs.com/docs/#/displaying/as-json/
moment.fn.toJSON = Util.momentToJson;
const TemplateLoader = require('./templateloader');
const ErgoEngine = require('@accordproject/ergo-engine/index.browser.js').EvalEngine;

/**
 * A TemplateInstance is an instance of a Clause or Contract template. It is executable business logic, linked to
 * a natural language (legally enforceable) template.
 * A TemplateInstance must be constructed with a template and then prior to execution the data for the clause must be set.
 * Set the data for the TemplateInstance by either calling the setData method or by
 * calling the parse method and passing in natural language text that conforms to the template grammar.
 * @public
 * @abstract
 * @class
 */
class TemplateInstance {

    /**