How to use the subscriptions-transport-ws/dist/client.SubscriptionClient function in subscriptions-transport-ws

function createWsClient(clientName, context) {
  const { urlMap, connParams } = context
  const subUrl = urlMap[clientName].subUri
  return new SubscriptionClient(subUrl, {
    connectionParams: connParams,
    reconnect: true,
  }, WebSocket)
}

function createWsClient(clientName, context) {
  const { urlMap, connParams } = context
  const subUrl = urlMap[clientName].subUri
  return new SubscriptionClient(subUrl, {
    connectionParams: connParams,
    reconnect: true,
  }, WebSocket)
}