How to use the @ant-design/react-native.Portal.remove function in @ant-design/react-native

.then(res => {
      // 开发模式
      if (isDev) {
        Alert.alert(
          'dev',
          `${JSON.stringify(_url)} ${JSON.stringify(_config)} ${res._bodyInit}`
        )
      }
      if (!isGet) log(method, 'success', _url, _config, res)
      if (toastId) Portal.remove(toastId)
      return Promise.resolve(res.text())
    })
    .catch(err => {

request.onreadystatechange = () => {
    if (request.readyState !== 4) {
      return
    }

    if (toastKey) {
      Portal.remove(toastKey)
    }
    if (request.status === 200) {
      success(request.responseText)
    } else {
      fail()
    }
  }

.catch(err => {
      if (systemStore.state.dev) {
        Alert.alert(
          `${JSON.stringify(_url)} ${JSON.stringify(_config)} ${JSON.stringify(
            err
          )}`
        )
      }
      if (toastKey) {
        Portal.remove(toastKey)
      }

      return Promise.reject(err)
    })
}

request.onreadystatechange = () => {
    if (request.readyState !== 4) {
      return
    }

    if (toastId) {
      Portal.remove(toastId)
    }

    if (request.status === 200) {
      success(request.responseText)
    } else {
      fail(request)
    }
  }