How to use the node-opcua-address-space.ReferenceType function in node-opcua-address-space

const StatusCode = require("node-opcua-status-code").StatusCode;


require("node-opcua-common");

const address_space = require("node-opcua-address-space");
const AddressSpace = address_space.AddressSpace;

const generate_address_space = require("node-opcua-address-space").generate_address_space;

const ServerSession = require("./server_session").ServerSession;

const VariableIds = require("node-opcua-constants").VariableIds;
const MethodIds = require("node-opcua-constants").MethodIds;

const ReferenceType = require("node-opcua-address-space").ReferenceType;


const ServerState = require("node-opcua-common").ServerState;
const ServerStatus = require("node-opcua-common").ServerStatus;
const ServerDiagnosticsSummary = require("node-opcua-common").ServerDiagnosticsSummary;

const endpoints_service = require("node-opcua-service-endpoints");
const ApplicationDescription = endpoints_service.ApplicationDescription;

const nodesets = require("node-opcua-nodesets");
exports.standard_nodeset_file = nodesets.standard_nodeset_file;
exports.di_nodeset_filename = nodesets.di_nodeset_filename;
exports.adi_nodeset_filename = nodesets.adi_nodeset_filename;
const mini_nodeset_filename = require("node-opcua-address-space/test_helpers/get_mini_address_space").mini_nodeset_filename;
exports.mini_nodeset_filename = mini_nodeset_filename;