How to use the web3-core-subscriptions.NetworkChangedSubscription function in web3-core-subscriptions

options,
                    this.utils,
                    this.formatters,
                    moduleInstance,
                    new GetPastLogsMethod(this.utils, this.formatters, moduleInstance)
                );
            case 'newBlockHeaders':
                return new NewHeadsSubscription(this.utils, this.formatters, moduleInstance);
            case 'pendingTransactions':
                return new NewPendingTransactionsSubscription(this.utils, this.formatters, moduleInstance);
            case 'syncing':
                return new SyncingSubscription(this.utils, this.formatters, moduleInstance);
            case 'accountsChanged':
                return new AccountsChangedSubscription(this.utils, this.formatters, moduleInstance);
            case 'networkChanged':
                return new NetworkChangedSubscription(this.utils, this.formatters, moduleInstance);
            case 'chainChanged':
                return new ChainChangedSubscription(this.utils, this.formatters, moduleInstance);
            default:
                throw new Error(`Unknown subscription: ${type}`);
        }
    }
}