How to use the monaco-languageclient.MonacoToProtocolConverter function in monaco-languageclient

return new Promise((resolve, reject) => {
            if (this.langServerConnection) {
                resolve(this.langServerConnection);
            } else {
                const socketOptions = {
                    maxReconnectionDelay: 10000,
                    minReconnectionDelay: 1000,
                    reconnectionDelayGrowFactor: 1.3,
                    connectionTimeout: 10000,
                    maxRetries: Infinity,
                    debug: false,
                };
                // create the web socket
                const url = getServiceEndpoint('ballerina-langserver');
                const webSocket = new ReconnectingWebSocket(url, undefined, socketOptions);
                const m2p = new MonacoToProtocolConverter();
                const p2m = new ProtocolToMonacoConverter();
                // listen when the web socket is opened
                listen({
                    webSocket,
                    onConnection: (connection) => {
                        this.langServerConnection = connection;
                        // create and start the language client
                        const languageClient = new BaseLanguageClient({
                            name: 'Ballerina Language Client',
                            clientOptions: {
                                // use a language id as a document selector
                                documentSelector: ['ballerina-lang'],
                                // disable the default error handler
                                errorHandler: {
                                    error: () => ErrorAction.Continue,
                                    closed: () => CloseAction.DoNotRestart,

export function createMonacoServices (editor, options) {
  const m2p = new MonacoToProtocolConverter()
  const p2m = new ProtocolToMonacoConverter()
  return {
    commands: new MonacoCommands(editor),
    languages: new MonacoLanguages(p2m, m2p),
    workspace: new MonacoWorkspace(p2m, m2p, options.rootUri),
    window: new ConsoleWindow()
  }
}