How to use the @nextgis/utils.deepmerge function in @nextgis/utils

export function prepareWebMapOptions(
  mapAdapter: MapAdapter,
  options: NgwMapOptions
) {
  const kits: StarterKit[] = [new QmsKit()];

  if (!options.connector && options.baseUrl) {
    options.connector = new NgwConnector({
      baseUrl: options.baseUrl,
      auth: options.auth
    });
  } else if (options.connector) {
    options.baseUrl = options.connector.options.baseUrl;
  }
  const opt: NgwMapOptions = deepmerge(OPTIONS, options);
  if (opt.connector) {
    kits.push(
      new NgwKit({
        connector: opt.connector,
        auth: opt.auth,
        identification: opt.identification
      })
    );
  }
  return {
    mapAdapter,
    starterKits: kits,
    runtimeParams: options.runtimeParams
  };
}

constructor(mapAdapter: MapAdapter, options: NgwMapOptions & O) {
    super(prepareWebMapOptions(mapAdapter, options));
    if (options.connector) {
      this.connector = options.connector;
    }
    this.options = deepmerge(OPTIONS, options);
    this._createWebMap().then(() => {
      const container = this.getContainer();
      if (container) {
        container.classList.add('ngw-map-container');
      }
      this._addControls();
    });
  }

async create(options?: MapOptions): Promise {
    if (!this.getEventStatus('create')) {
      this.options = deepmerge(OPTIONS || {}, options);
      await this._setInitMapState(this.mapState);
      await this._setupMap();
      this._emitStatusEvent('create', this);
    }
    return this;
  }

constructor(appOptions: AppOptions) {
    this.mapAdapter = appOptions.mapAdapter;
    this._starterKits = appOptions.starterKits || [];
    if (appOptions.mapOptions) {
      this.options = deepmerge(OPTIONS || {}, appOptions.mapOptions);
    }
    if (appOptions.runtimeParams) {
      this.runtimeParams = appOptions.runtimeParams;
    }
    this._addEventsListeners();
    if (appOptions.create) {
      this.create(this.options);
    }
  }