How to use the react-native-nfc-manager.closeTechnology function in react-native-nfc-manager

const cleanUp = () => {
            this.setState({isTestRunning: false});
            NfcManager.closeTechnology()
            NfcManager.unregisterTagEvent();
        }

const cleanUp = () => {
      this.setState({ isDetecting: false });
      NfcManager.closeTechnology();
      NfcManager.unregisterTagEvent();
    };