How to use the node-opcua-server-discovery.OPCUADiscoveryServer function in node-opcua-server-discovery

// ----------------------------------------------------------------------------------------------------------
// server management
// ----------------------------------------------------------------------------------------------------------
export * from "./server-stuff";
// filtering tools
export * from "node-opcua-service-filter";

export * from "node-opcua-address-space";

// filtering tools
export { constructEventFilter } from "node-opcua-service-filter";

export * from "node-opcua-transport";

module.exports.OPCUADiscoveryServer = require("node-opcua-server-discovery").OPCUADiscoveryServer;

const address_space_for_conformance_testing = require("node-opcua-address-space-for-conformance-testing");

module.exports.build_address_space_for_conformance_testing =
  address_space_for_conformance_testing.build_address_space_for_conformance_testing;

module.exports.install_optional_cpu_and_memory_usage_node = require("node-opcua-vendor-diagnostic").install_optional_cpu_and_memory_usage_node;

module.exports.Subscription = require("node-opcua-server").Subscription;
module.exports.MonitoredItem = require("node-opcua-server").MonitoredItem;

module.exports.generate_address_space = require("node-opcua-address-space").generate_address_space;
module.exports.AddressSpace = require("node-opcua-address-space").AddressSpace;
module.exports.Namespace = require("node-opcua-address-space").Namespace;

module.exports.SessionContext = require("node-opcua-address-space").SessionContext;
// basic opcua NodeClass
module.exports.UAObject = require("node-opcua-address-space").UAObject;
module.exports.UAMethod = require("node-opcua-address-space").UAMethod;
module.exports.UAVariable = require("node-opcua-address-space").UAVariable;
module.exports.UADataType = require("node-opcua-address-space").UADataType;

module.exports.getAddressSpaceFixture = require("node-opcua-address-space/test_helpers/get_address_space_fixture").getAddressSpaceFixture;
module.exports.OPCUADiscoveryServer = require("node-opcua-server-discovery").OPCUADiscoveryServer;

module.exports.basic_types = require("node-opcua-basic-types");

// version
module.exports.version = require("./package.json").version;

module.exports.nodesets = require("node-opcua-nodesets");
module.exports.constructNodesetFilename = module.exports.nodesets.constructNodesetFilename;
module.exports.standard_nodeset_file = module.exports.nodesets.standard_nodeset_file;
module.exports.di_nodeset_filename = module.exports.nodesets.di_nodeset_filename;
module.exports.adi_nodeset_filename = module.exports.nodesets.adi_nodeset_filename;

// an incomplete but sufficient nodeset file used during testing
module.exports.mini_nodeset_filename = require("node-opcua-address-space/test_helpers/get_mini_address_space").mini_nodeset_filename;
module.exports.empty_nodeset_filename = require("node-opcua-address-space/test_helpers/get_mini_address_space").empty_nodeset_filename;