How to use the @accordproject/concerto-core.RelationshipDeclaration function in @accordproject/concerto-core

* You may obtain a copy of the License at
 *
 * 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.
 */

'use strict';

const fsPath = require('path');
const TemplateException = require('./templateexception');
const RelationshipDeclaration = require('@accordproject/concerto-core').RelationshipDeclaration;
const Writer = require('@accordproject/concerto-core').Writer;
const Logger = require('@accordproject/concerto-core').Logger;
const nearley = require('nearley');
const compile = require('nearley/lib/compile');
const generate = require('nearley/lib/generate');
const nearleyGrammar = require('nearley/lib/nearley-language-bootstrapped');
const templateGrammar = require('./tdl.js');
const GrammarVisitor = require('./grammarvisitor');
const uuid = require('uuid');
const nunjucks = require('nunjucks');
const DateTimeFormatParser = require('./datetimeformatparser');
const CommonMarkTransformer = require('@accordproject/markdown-common').CommonMarkTransformer;

// This required because only compiled nunjucks templates are supported browser-side
// https://mozilla.github.io/nunjucks/api.html#browser-usage
// We can't always import it in Cicero because precompiling is not supported server-side!

* 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 AssetDeclaration = require('@accordproject/concerto-core').AssetDeclaration;
const ClassDeclaration = require('@accordproject/concerto-core').ClassDeclaration;
const EnumDeclaration = require('@accordproject/concerto-core').EnumDeclaration;
const ConceptDeclaration = require('@accordproject/concerto-core').ConceptDeclaration;
const EnumValueDeclaration = require('@accordproject/concerto-core').EnumValueDeclaration;
const Field = require('@accordproject/concerto-core').Field;
const ModelFile = require('@accordproject/concerto-core').ModelFile;
const ModelManager = require('@accordproject/concerto-core').ModelManager;
const RelationshipDeclaration = require('@accordproject/concerto-core').RelationshipDeclaration;
const TransactionDeclaration = require('@accordproject/concerto-core').TransactionDeclaration;
const util = require('util');
const ModelUtil = require('@accordproject/concerto-core').ModelUtil;
/**
 * Convert the contents of a ModelManager to Go Lang code.
 * All generated code is placed into the 'main' package. Set a
 * fileWriter property (instance of FileWriter) on the parameters
 * object to control where the generated code is written to disk.
 *
 * @private
 * @class
 * @memberof module:concerto-tools
 */
class GoLangVisitor {
    /**
     * Visitor design pattern

*
 * 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.
 */

'use strict';

const APModelManager = require('@accordproject/ergo-compiler').APModelManager;
const Field = require('@accordproject/concerto-core').Field;
const ModelFile = require('@accordproject/concerto-core').ModelFile;
const RelationshipDeclaration = require('@accordproject/concerto-core').RelationshipDeclaration;
const EnumDeclaration = require('@accordproject/concerto-core').EnumDeclaration;
const EnumValueDeclaration = require('@accordproject/concerto-core').EnumValueDeclaration;
const ClassDeclaration = require('@accordproject/concerto-core').ClassDeclaration;
const util = require('util');
const debug = require('debug')('cicero-core:grammarvisitor');

/**
 * Converts concerto models and types to Nearley rules
 *
 * @private
 * @class
 */
class GrammarVisitor {
    /**
     * Visitor design pattern
     * @param {Object} thing - the object being visited

* 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';

const EmptyPlugin = require('./emptyplugin');
const ModelManager = require('@accordproject/concerto-core').ModelManager;
const ModelUtil = require('@accordproject/concerto-core').ModelUtil;
const ModelFile = require('@accordproject/concerto-core').ModelFile;
const ClassDeclaration = require('@accordproject/concerto-core').ClassDeclaration;
const Field = require('@accordproject/concerto-core').Field;
const RelationshipDeclaration = require('@accordproject/concerto-core').RelationshipDeclaration;
const EnumDeclaration = require('@accordproject/concerto-core').EnumDeclaration;
const EnumValueDeclaration = require('@accordproject/concerto-core').EnumValueDeclaration;
const util = require('util');

/**
 * Convert the contents of a ModelManager to Java code.
 * Set a fileWriter property (instance of FileWriter) on the parameters
 * object to control where the generated code is written to disk.
 *
 * @private
 * @class
 * @memberof module:concerto-tools
 */
class JavaVisitor {
    /**
     * Create the JavaVisitor.

* See the License for the specific language governing permissions and
 * limitations under the License.
 */

'use strict';

const AssetDeclaration = require('@accordproject/concerto-core').AssetDeclaration;
const ParticipantDeclaration = require('@accordproject/concerto-core').ParticipantDeclaration;
const ConceptDeclaration = require('@accordproject/concerto-core').ConceptDeclaration;
const EnumDeclaration = require('@accordproject/concerto-core').EnumDeclaration;
const EnumValueDeclaration = require('@accordproject/concerto-core').EnumValueDeclaration;
const EventDeclaration = require('@accordproject/concerto-core').EventDeclaration;
const Field = require('@accordproject/concerto-core').Field;
const ModelFile = require('@accordproject/concerto-core').ModelFile;
const ModelManager = require('@accordproject/concerto-core').ModelManager;
const RelationshipDeclaration = require('@accordproject/concerto-core').RelationshipDeclaration;
const TransactionDeclaration = require('@accordproject/concerto-core').TransactionDeclaration;
const debug = require('debug')('concerto-core:loopbackvisitor');
const util = require('util');

/**
 * Convert a fully qualified type name, for example org.example.mynetwork.MyAsset,
 * into a name that is safe for use as a LoopBack model name.
 * @private
 * @param {String} fqn The fully qualified type name.
 * @returns {String} A name that is safe for use as a LoopBack model name.
 */
function loopbackify(fqn) {
    return fqn.replace(/\./g, '_');
}

/**

* 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 AssetDeclaration = require('@accordproject/concerto-core').AssetDeclaration;
const ClassDeclaration = require('@accordproject/concerto-core').ClassDeclaration;
const EnumDeclaration = require('@accordproject/concerto-core').EnumDeclaration;
const ConceptDeclaration = require('@accordproject/concerto-core').ConceptDeclaration;
const EnumValueDeclaration = require('@accordproject/concerto-core').EnumValueDeclaration;
const Field = require('@accordproject/concerto-core').Field;
const ModelFile = require('@accordproject/concerto-core').ModelFile;
const ModelManager = require('@accordproject/concerto-core').ModelManager;
const RelationshipDeclaration = require('@accordproject/concerto-core').RelationshipDeclaration;
const TransactionDeclaration = require('@accordproject/concerto-core').TransactionDeclaration;
const debug = require('debug')('concerto-core:jsonschemavisitor');
const util = require('util');

/**
 * Convert the contents of a {@link ModelManager} instance to a set of JSON
 * Schema v4 files - one per concrete asset and transaction type.
 * Set a fileWriter property (instance of {@link FileWriter}) on the parameters
 * object to control where the generated code is written to disk.
 * @private
 * @class
 * @memberof module:concerto-tools
 */
class JSONSchemaVisitor {

    /**

* 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 ModelFile = require('@accordproject/concerto-core').ModelFile;
const ModelManager = require('@accordproject/concerto-core').ModelManager;
const ModelUtil = require('@accordproject/concerto-core').ModelUtil;
const ClassDeclaration = require('@accordproject/concerto-core').ClassDeclaration;
const EnumDeclaration = require('@accordproject/concerto-core').EnumDeclaration;

const Field = require('@accordproject/concerto-core').Field;
const RelationshipDeclaration = require('@accordproject/concerto-core').RelationshipDeclaration;
const EnumValueDeclaration = require('@accordproject/concerto-core').EnumValueDeclaration;

/**
 * Convert the contents of a ModelManager
 * to an XML Schema.
 * Set a fileWriter property (instance of FileWriter) on the parameters
 * object to control where the generated code is written to disk.
 *
 * @private
 * @class
 * @memberof module:concerto-tools
 */
class XmlSchemaVisitor {
    /**
     * Visitor design pattern
     * @param {Object} thing - the object being visited

* See the License for the specific language governing permissions and
 * limitations under the License.
 */

'use strict';

const ModelFile = require('@accordproject/concerto-core').ModelFile;
const ModelManager = require('@accordproject/concerto-core').ModelManager;
const ClassDeclaration = require('@accordproject/concerto-core').ClassDeclaration;
const TransactionDeclaration = require('@accordproject/concerto-core').TransactionDeclaration;
const AssetDeclaration = require('@accordproject/concerto-core').AssetDeclaration;
const ParticipantDeclaration = require('@accordproject/concerto-core').ParticipantDeclaration;
const EnumDeclaration = require('@accordproject/concerto-core').EnumDeclaration;

const Field = require('@accordproject/concerto-core').Field;
const RelationshipDeclaration = require('@accordproject/concerto-core').RelationshipDeclaration;
const EnumValueDeclaration = require('@accordproject/concerto-core').EnumValueDeclaration;

/**
 * Convert the contents of a ModelManager
 * to PlantUML format files.
 * Set a fileWriter property (instance of FileWriter) on the parameters
 * object to control where the generated code is written to disk.
 *
 * @private
 * @class
 * @memberof module:concerto-tools
 */
class PlantUMLVisitor {
    /**
     * Visitor design pattern
     * @param {Object} thing - the object being visited

*
 * 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';

const ModelManager = require('@accordproject/concerto-core').ModelManager;
const ModelUtil = require('@accordproject/concerto-core').ModelUtil;
const ModelFile = require('@accordproject/concerto-core').ModelFile;
const ClassDeclaration = require('@accordproject/concerto-core').ClassDeclaration;
const Field = require('@accordproject/concerto-core').Field;
const RelationshipDeclaration = require('@accordproject/concerto-core').RelationshipDeclaration;
const EnumDeclaration = require('@accordproject/concerto-core').EnumDeclaration;
const EnumValueDeclaration = require('@accordproject/concerto-core').EnumValueDeclaration;
const util = require('util');

/**
 * Convert the contents of a ModelManager to TypeScript code.
 * All generated code is placed into the 'main' package. Set a
 * fileWriter property (instance of FileWriter) on the parameters
 * object to control where the generated code is written to disk.
 *
 * @private
 * @class
 * @memberof module:concerto-tools
 */
class TypescriptVisitor {
    /**