private async Task <Type> GetClientType(string key)
{
_gatewayProvider.MapClients.TryGetValue(key, out var value);
if (value != null)
{
return(value);
}
var clientType = Type.GetType(await _routeProvider.GetCustomerServerRouter(key));
_gatewayProvider.MapClients.TryAdd(key, clientType);
return(clientType);
}