How to use the node-opcua-service-endpoints.GetEndpointsRequest function in node-opcua-service-endpoints

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const util = require("util");
const EventEmitter = require("events").EventEmitter;
const fs = require("fs");
const path = require("path");
const async = require("async");
const _ = require("underscore");
const assert = require("node-opcua-assert").assert;
const once = require("once");
const delayed = require("delayed");


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

const GetEndpointsRequest = endpoints_service.GetEndpointsRequest;
const GetEndpointsResponse = endpoints_service.GetEndpointsResponse;
const MessageSecurityMode = require("node-opcua-service-secure-channel").MessageSecurityMode;
const toURI = require("node-opcua-secure-channel").toURI;
const SecurityPolicy = require("node-opcua-secure-channel").SecurityPolicy;

const debugLog = require("node-opcua-debug").make_debugLog(__filename);
const doDebug = require("node-opcua-debug").checkDebugFlag(__filename);

const OPCUASecureObject = require("node-opcua-common").OPCUASecureObject;

const ClientSecureChannelLayer = require("node-opcua-secure-channel/src/client/client_secure_channel_layer").ClientSecureChannelLayer;
const ClientSession = require("./client_session").ClientSession;


const defaultConnectionStrategy = {
    initialDelay: 1000,